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Class I A
ENGLISH HINDI MATHS EVSComplete cursive handwriting book- one page each dayLearn to read small words like cat mat bathelliphellip
1) अ स अः तक तीन बार लि13खो |2) क स जञ तक तीन बार लि13खो |3)बाराकषरी 5 बार लि13खो (क का किक )
LEARN NUMBER NAMES 1 TO 50 BYHEART NAMES OF SHAPES
Paste pictures of any five-animals birds flowers fruits and vegetable and their name in Evs notebook
CLASS I-B
ENGLISH HINDI MATHS EVSEng ndash Do pages 2 to 25 in English cursive writing book Do HW in English readiness notecopy(writing work)
बारहखड़ी लि13खो (2) अ आ इ ई उ ऊ ए ऐ ओ औ अ की मातरा वा13 पाच-पाच शबद लि13खिखए और पढ़ो
LEARN NUMBER NAMES 1 TO 50 BYHEART NAMES OF SHAPES
Paste pictures of any five-animals birds flowers fruits and vegetable and their name in Evs notebook
CLASS II A
ENGLISH HINDI MATHS EVS1 Practice cursive
handwriting 10 pages in English cursive writing book
2 Make a list of things to be packed in a school bag and draw it
3 Draw and colour emotions like being shy excited happy or angry
4 Learn the dialogues of your favourite cartoon character to enact it in the classroom
5 Draw or paste pictures of action words like jumping crying etc
6 Learn any one short story in English to speak out in class
1) एक स सो तक कि-नती | (अको एवम शबदो म )2) वरण0मा13ा लि13खो | 3) अपन मनपसद तयोहार क बार म अपन शबदो म लि13खो |4) स13ख 1) अधि5क ब13वान कौन 2) दोसत की मदद |
1) Write numbers from 1 to 100 with spellings
2) Write tables from 1 to 10
3) Draw the following shapes and colour them
i) square ii) rectangle iii) circle iv) triangle v) oval
4) Paste the pictures of Indian Currency Notes and Coins5) Project - Make the following things using match sticks
i) Alphabets A to Zii) Numbers 1 to 10iii) Shapes Square Rectangle
Triangle6) Make a wall clock
1) To paste Domestic and Wild animals pictures2) To paste the picture of types of houses (Like Apartments Bunglows etc)3) To paste or draw means of transport (Like Bus Car etc)4) To write 10 sentences about your favourite festival (Like Holi Deepavali)5) To write 10 sentences about our Vidyalaya
CLASS II B
ENGLISH HINDI MATHS EVS7 Practice cursive
handwriting 10 pages in English cursive writing book
8 Make a list of things to be packed in a school bag and draw it
9 Draw and colour emotions like being shy excited happy or angry
10 Learn the dialogues of your favourite cartoon character to enact it in the classroom
11 Draw or paste pictures of action words like jumping crying etc
12 Learn any one short story in English to speak out in class
१) बारहखड़ी दो बार लि13खो २) कि-नती 1 स 50 तक शबदो म लि13खो ३) किवकास किहनदी स13खमा13ा भा- -२ भरिरए ४) परोजकट - लिचतर लिचपकाओ या बनाओ और उनक नाम लि13खो
जानवर पकषी फ13 सबज़ी
1) Write numbers from 1 to 100 with spellings
2) Write tables from 1 to 10
3) Draw the following shapes and colour them
i) square ii) rectangle iii) circle iv) triangle v) oval
4) Paste the pictures of Indian Currency Notes and Coins5) Project - Make the following things using match sticks
i) Alphabets A to Zii) Numbers 1 to 10iii) Shapes Square Rectangle
Triangle6) Make a wall clock
1 Paste pictures of types of food sources of water animals and their homes types of plants
2 Pastedraw pictures of indoor and outdoor games (A4 size papers )
CLASS III A
ENGLISH HINDI MATHS EVS1) Write five sentences on lsquo Morning lsquo 2) Write five sentences on lsquoGarden lsquo3) Do ten page handwriting 4) Learn new words of unit 15) Learn unit 1 question answer 6) Learn one English poem
१) परकितदिदन एक पज स13ख लि13खना ह २) ३ ककिवताए लि13खनी ह याद भी करनी ह३) १० किव13ोम शबद १० समानारथीL १० पा13त १० ज-13ी जानवर क
नाम लि13खो४) किवदया13य का लिचतर बनाओ और
र- भरो
1) Write down 1 to 15
Multiplication Table and
Learn it
2) Make a different type of
Mathematical Shape
3) On the dot grid draw the
following(a) House (b)
Cup board (c) Chair (d)
Table (e) Star (f) Sun
4) Make a Any Two Mask
Q1 Name the following (each five)-
a) Wild animals domestic animals water animals insects birds
Q2 Name three animals that can-
a) Crawl(b) walk(c) fly (d) have
tailQ3 Name any five treesQ4 Write some slogan on trees( any three)Q5 Poster making on save treesQ6 Draw your favourite fruit and flowerQ7 Make figures of parrot and butterfly with the help of your thumb and fingerQ8 With the help of leaves make mouse and butterfly
CLASS III B
ENGLISH HINDI MATHS EVS1) Write five sentences on lsquo Morning lsquo 2) Write five sentences on lsquoGarden lsquo3) Do ten page handwriting 4) Learn new words of unit 15) Learn unit 1 question answer 6) Learn one English poem
) परकितदिदन एक पज
स13ख लि13खना ह २) ३ ककिवताए लि13खनी ह याद भी करनी ह३) १० किव13ोम शबद १० समानारथीL १०
पा13त १० ज-13ी जानवर क नाम लि13खो४) किवदया13य का लिचतर
बनाओ और र- भरो
1) Write down 1 to 15
Multiplication Table and
Learn it
2) Make a
different type
of
Mathematical
Shape
3) On the dot grid
draw the
following(a)
House (b) Cup
board (c) Chair
(d) Table (e)
Star (f) Sun
4) Make a Any
Two Mask
1) Name the following (each five)-a) Wild animals domestic animals water animals insects birds2) Name three animals that can-a) Crawl b) walk
c) fly d) have a tail
3) Name any five trees4) Write some slogans on save trees (any three)5) Poster making on save trees6) Draw your favourite fruit and flower and name them7) With the help of leaves make mouse and butterfly
CLASS IVA
ENGLISH HINDI MATHS EVS1 Practice cursive
handwriting 10 pages in English cursive writing book
2 Draw and colour your favourite fruit and write 10 sentences about it
3 Write a poetry by yourself(atleast 8 lines)
4 Draw a picture and write piture composition on it
5 Learn poem rsquoNosesrsquo and lsquoRunrsquo for FAII oral exam
6 Do practice of reading English textbook newspapersmagazines etc
बाद13 वरषाा0ऋत और पड़ पर कएवीआईटीए लि13खो |
ज13 चकर का लिचतर बनाकर र- भरो |
अकबर बीरब13 स सबधि5त मलय पर आ5ारिरत कहानी लि13खो |
तना13ीरामन स सबधि5त एक कहानी लि13खो |
अ13- ndash अ13- पड़ो कई लिचतर बनाकर नाम लि13खो तरथीा उसका उपयो- लि13खो |
किवभिभनन परकार कई -दो कई लिचतर बनाकर ख13 कई नाम लि13खो |
अपन किपरय ख13 पर दस वाकय लि13खो |
1) Write down 1 to 20
Multiplication Table and
Learn it
2) Make a 5 Bricks Pattern
3) Write down Page no -
3471012
4) Make a different type of
shape on chart paper
and cut it and paste it
on card paper
1) Name any one famous bridge Write about it in 10 sentences Paste its picture
2) Name and paste pictures of (5-5pictures)Extinct animals
Endangered animals
3) Name and paste pictures (5 only)of animals live in herd4) Paste picture of our national animal and write 10 lines about it 5) Paste picture of animals which give a ride
CLASS IVB
ENGLISH HINDI MATHS EVS1 Practice cursive
handwriting 10 pages in English cursive writing
बाद13 वरषाा0ऋत और पड़ पर कएवीआईटीए लि13खो |
ज13 चकर का लिचतर बनाकर र-
1) Write down 1 to 20
Multiplication Table and
1) Name any one famous bridge Write about
book2 Draw and colour
your favourite fruit and write 10 sentences about it
3 Write a poetry by yourself(atleast 8 lines)
4 Draw a picture and write picture composition on it
5 Learn poem rsquoNosesrsquo and lsquoRunrsquo for FAII oral exam
6 Do practice of reading English textbook newspapers magazines etc
भरो | अकबर बीरब13 स सबधि5त
मलय पर आ5ारिरत कहानी लि13खो |
तना13ीरामन स सबधि5त एक कहानी लि13खो |
अ13- ndash अ13- पड़ो कई लिचतर बनाकर नाम लि13खो तरथीा उसका उपयो- लि13खो |
किवभिभनन परकार कई -दो कई लिचतर बनाकर ख13 कई नाम लि13खो |
अपन किपरय ख13 पर दस वाकय लि13खो |
Learn it
2) Make a 5 Bricks Pattern
3) 3) Write down Page no -
3471012
4) Make a different type of
shape on chart paper
and cut it and paste it
on card paper
it in 10 sentences Paste its picture
2) Name and paste pictures of (5-5pictures)Extinct animals
Endangered animals
3) Name and paste pictures (5 only)of animals live in herd4) Paste picture of our national animal and write 10 lines about it 5) Paste picture of animals which give a ride
CLASS VA
ENGLISH HINDI MATHS EVS1)Essay Writing
How I spend my holidays2) To make pocket dictionary
3)Page 14 from book(PROJECT WORK)
4) PROJECT WORK- BEST OUT OF WASTE
1)भारत क मानलिचतर म राजय एव राज5ाकिनया अकिकत कर 2)किवभिभनन तयोहार क लिचतर लिचपकाकर अपन मनपसद तयोहार क बार म लि13खो 3)आपन -रमिमWयो की छदिYया कस किबताई अपन शबदो म लि13खो 4)10 दिदन क अवकाश की अनमकित क लि13ए पराचाय0 महोदय को लिचटठी लि13खो 5)अपन जनमदिदन क शभ अवसर पर अपन अपनी दोसत को आमकितरत करत हए पतर लि13खो 6)सवरलिचत कहानी एव ककिवता लि13खो
1) Use some shapes to
draw the different sea
animals
2) Draw Cut and paste
different types of boats
3) Collage work - whale
shark
4) Three examples of each-
addition subtraction
multiplication division
5) Make closed shapes
with 3 4 5 and 6 sides
6) Name and draw
different types angles
7) Make different shapes
using matchsticks
8) Tables from 11 to 20
1) Write the names of animals which are in danger2) Give the names of animals which are extinct on the earth3) Write the following Animals with better visionhellipAnimals with smelling sensehellipAnimals with better hearing sensehellip4) Give five names of poisonous and non- poisonous snakes5) Paste or draw the pictures of digestive system6) Project-(i) Collect different food grains or seeds and store them in a small jars or transparent bags (ii) Take an empty food packet paste it on a paper and write the following details below itName of the product-helliphellip Name of the company-helliphellip Price of the producthellip Weight or volume-helliphellip date of Packinghelliphelliphellip date of expiry
CLASS VB
ENGLISH HINDI MATHS EVS1 Practice cursive writing 1)भारत क मानलिचतर म राजय एव 1) Use some shapes to 1) Write the names of
20 pages2 Make any two items by
using the waste material
3 Make 15 newspaper bags using old newspapers
4 Make your own dictionary using a small diaryrough pages and write the difficult words from unit 1 and unit 2
5 Do reading practice daily and bring cut-outs of interesting articles from English newspapers magazines etc
6 Write a report on lsquoMy Summer Holidaysrsquo
7 Make your own poetry and bring it to class (any topic)
8 Learn the dialogues of your favourite advertisement for enacting in the class
राज5ाकिनया अकिकत कर 2)किवभिभनन तयोहार क लिचतर लिचपकाकर अपन मनपसद तयोहार क बार म लि13खो 3)आपन -रमिमWयो की छदिYया कस किबताई अपन शबदो म लि13खो 4)10 दिदन क अवकाश की अनमकित क लि13ए पराचाय0 महोदय को लिचटठी लि13खो 5)अपन जनमदिदन क शभ अवसर पर अपन अपनी दोसत को आमकितरत करत हए पतर लि13खो 6)सवरलिचत कहानी एव ककिवता लि13खो
draw the different sea
animals
2) Draw Cut and paste
different types of boats
3) Collage work - whale
shark
4) Three examples of each-
addition subtraction
multiplication division
5) Make closed shapes
with 3 4 5 and 6 sides
6) Name and draw
different types angles
7) Make different shapes
using matchsticks
8) Tables from 11 to 20
animals which are in danger2) Give the names of animals which are extinct on the earth3) Write the following
Animals with better visionhellip
Animals with smelling sensehellip
Animals with better hearing sensehellip4) Give five names of poisonous and non- poisonous snakes5) Paste or draw the pictures of digestive system6) Project-(i) Collect different food grains or seeds and store them in a small jars or
transparent bags (ii) Take an
empty food packet paste it on a paper and write the following
details below it
Name of the product-helliphellip Name of the company-helliphellip Price of the producthellip Weight or volume-helliphellip date of Packinghelliphelliphellip date of expiry
KENDRIYA VIDYALAYA ONGC MEHSANAClass XII Computer Science Summer Vacation Assignment 2016-17
Topic C++ revision tour Class amp Object Constructor amp Destructor
Mrs Namrata Shah
PGT(Computer Science)
Find output of the following programs 23 Marks(1) include ltiostreamhgt struct GAME int Score Bonus void Play(GAME ampg int N=10) gScore++gBonus+=N void main() GAME G=11050 Play(G10) coutltltGScoreltltltltGBonusltltendl Play(G) coutltltGScoreltltltltGBonusltltendl Play(G15) coutltltGScoreltltltltGBonusltltendl
(2) include ltiostreamhgt void Secret(char Str[ ]) for (int L=0Str[L]=0L++) for (int C=0CltL2C++) if (Str[C]==A || Str[C]==E) Str[C]= else char Temp=Str[C] Str[C]=Str[L-C-1] Str[L-C-1]=Temp void main() char Message[ ]=ArabSagar Secret(Message) coutltltMessageltltendl
(3) In the following program if the value of Guess entered by the user is 65 what will be the expected output(s) from the following options (i) (ii) (iii) and (iv) include ltiostreamhgt include ltstdlibhgt void main() int Guess
(4) void swap(char ampc1char ampc2) char temp temp=c1 c1=c2 c2=temp void update(char str) int kjl1l2 l1 = (strlen(str)+1)2 l2=strlen(str)
randomize() cingtgtGuess for (int I=1Ilt=4I++) New=Guess+random(I) coutltlt(char)New (i) ABBC (ii) ACBA (iii) BCDA (iv) CABD7
for(k=0j=l1-1kltjk++jndash) if(islower(str[k])) swap(str[k]str[j]) for(k=l1j=l2-1kltjk++jndash) if(isupper(str[k])) swap(str[k]str[j]) void main() chardata[100]=ldquogOoDLUckrdquo coutltltrdquoOriginalDataldquoltltdataltltendl update(data) coutltltrdquoUpdatedDataldquoltltdata
(5) void main ( ) (6) void SwitchOver(int A [ ] int N int Split)
int Queen Moves [ ] = 11 22 33 44 Queen = Moves Moves [2] + = 22 coutltlt ldquoQueen rdquoltltQueenltltend1 Queen ndash = 11 Queen + = 2 coutltlt ldquoNow rdquoltltQueenltltendl Queen++ coutltlt ldquoFinallyrdquoltltQueenlaquoendl coutltlt ldquoNew Origin rdquoltltMoves[0]ltltend1
for (int K=0 KltN K++) if (KltSplit) A(K]+ =K else A [K]=K void Display (int A [ ] int N) for (int K=0 KltN K++) (K2==0) coutltltA[K]ltltrdquordquocoutltltA(K]ltltendl
void main ( )int H[ ]= 30405020105 SwitchOver (H 6 3) Display (H 6)
(7) Go through the C++ code shown below and find out the possible output or outputs from the suggested Output Options (i) to (iv) Also write the minimum and maximum values which can be assigned to the variable MyNum
include void main ( ) randomize ( ) int MyNum Max=5 MyNum = 20 + random (Max) for (int N=MyNum Nlt=25N++) coutltNltrdquordquo
(i) 202122232425 (ii) 22232425 (iii) 2324 (iv) 2122232425
(8) int A[][4] = 11213243 20304050 for (int i = 1 ilt2 i++) for (int j = 0 jlt4 j++) coutltltA[i][j]ltltrdquonrdquo
(9) int a = 5 void demo(int x int y int ampz) a += x+y z = a+y y += x coutltltxltltrsquoltltyltltrsquoltltzltltendl void main() int a = 3 b = 4 demo(aab) demo(aab)
(10) In the following C++ program what will the maximum and minimum value of r generated with the help of random function
include voidmain() int r randomize() r=random(20)+random(2)
coutltltr
2 3 MARKS QUESTIONSQ1What is an abstract class How is it different from a concrete class
Q2 What is OO Paradigm How is it different from Procedural Programming Paradigm
Q3 What is polymorphism Give an example in C++ to show how it is implemented in C++
Q4 What is function overloading Give an example in C++ to show how it is implemented in C+
+
Q5 Which functions in classes in C++ are inline by default What is the significance of these
functions
Q6What happens if no constructor is provided by the user in a class
Q7 When is memory allocated to a constructor
Q8 Reusability of classes is one of the major properties of OOP How is it implemented in C++
Q9 Consider a class Item with the following specifications
class Item private int Ino char IName[25] float Price public Item() f1 Item (int nchar nm[25]float rate) f2 Item(Item ampobj) f3 a) Write function definitions of all the member functionsb) Name the feature of OOP implemented in the class abovec) Write the constructor invocation statement for the above functions
Q10 CONSIDER a class Candidate with the following specifications Class Result Private int Cno char Name[20] int mks Public Candidate() f1 Candidate(int Cnchar nm[20]int marks) f2 ~ Candidate( ) f3 a) What are the member functions f1f3 called in C++b) Write the definitions of all functions
c) Create an object for f1 and f2 to invoke them
4 MARKS QUESTIONSQ11 Define a class hotel with the following specifications Private members Roomno integer Name string Charges_day float No_of_days integer Compute() -To calculate and return the total charges as charges_day No_of_days Public members Getit ( ) -to enter the data members Showit( ) to show the data member A constructor function to initialize the data members
Q12 Define a class Stock with the following specifications Private members Itemno integer Item Name string Price qty total discount float Compute() -To calculate and return the total Find discount as If qty gt=50 discount=10 on total amount If qtylt50 discount = nil Public members Getit() -to enter the data members Showit() -to show the data member A constructor function to initialize the dataQ13Define a class Clothing with the following specification
Private members Code stringType stringSize integerMaterial stringPrice float
Calculate() function which computes the Price as followsFor the value of Material as ldquoCOTTONrdquo
Type Price (Rs)TROUSER 1500SHIRT 1200
Public members Constructor to initialize the values as 0 to Size amp Price and NULL to
Code type and Material ReadData() function which accepts the data values and invoke the function Calculate() DisplayData() function which prints the data on the screen
Q14Define a class Housing with the following specificationPrivate members Name 20 Characters
Type CharacterCost floatReg_no integer(range 10-1000)
Public members ReadData() function to read an object of Housing type
DisplayData() function which prints the details of an objectFunction Draw_nos() to chose and display the details of two houses selected randomly from an array of ten objects of type Housing Use random function to generate the registration numbers to match with Reg_no from the array
Summer Vacation Holiday Homework (2016-17)Class XII
Informatics Practices (065) Chapter 1 2 and Project Work
Mrs Namrata Shah
PGT(Computer Science)
Q1 Answer the following questions
(b) A school would like to go in for network of all the computers Which topology would
you suggest and why
(c) Name these
(i)It is a software package that allows people to send electronic mail along a network
of computers and workstation
(ii)It is a network topology in which there are bi-directional links between each
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
CLASS II B
ENGLISH HINDI MATHS EVS7 Practice cursive
handwriting 10 pages in English cursive writing book
8 Make a list of things to be packed in a school bag and draw it
9 Draw and colour emotions like being shy excited happy or angry
10 Learn the dialogues of your favourite cartoon character to enact it in the classroom
11 Draw or paste pictures of action words like jumping crying etc
12 Learn any one short story in English to speak out in class
१) बारहखड़ी दो बार लि13खो २) कि-नती 1 स 50 तक शबदो म लि13खो ३) किवकास किहनदी स13खमा13ा भा- -२ भरिरए ४) परोजकट - लिचतर लिचपकाओ या बनाओ और उनक नाम लि13खो
जानवर पकषी फ13 सबज़ी
1) Write numbers from 1 to 100 with spellings
2) Write tables from 1 to 10
3) Draw the following shapes and colour them
i) square ii) rectangle iii) circle iv) triangle v) oval
4) Paste the pictures of Indian Currency Notes and Coins5) Project - Make the following things using match sticks
i) Alphabets A to Zii) Numbers 1 to 10iii) Shapes Square Rectangle
Triangle6) Make a wall clock
1 Paste pictures of types of food sources of water animals and their homes types of plants
2 Pastedraw pictures of indoor and outdoor games (A4 size papers )
CLASS III A
ENGLISH HINDI MATHS EVS1) Write five sentences on lsquo Morning lsquo 2) Write five sentences on lsquoGarden lsquo3) Do ten page handwriting 4) Learn new words of unit 15) Learn unit 1 question answer 6) Learn one English poem
१) परकितदिदन एक पज स13ख लि13खना ह २) ३ ककिवताए लि13खनी ह याद भी करनी ह३) १० किव13ोम शबद १० समानारथीL १० पा13त १० ज-13ी जानवर क
नाम लि13खो४) किवदया13य का लिचतर बनाओ और
र- भरो
1) Write down 1 to 15
Multiplication Table and
Learn it
2) Make a different type of
Mathematical Shape
3) On the dot grid draw the
following(a) House (b)
Cup board (c) Chair (d)
Table (e) Star (f) Sun
4) Make a Any Two Mask
Q1 Name the following (each five)-
a) Wild animals domestic animals water animals insects birds
Q2 Name three animals that can-
a) Crawl(b) walk(c) fly (d) have
tailQ3 Name any five treesQ4 Write some slogan on trees( any three)Q5 Poster making on save treesQ6 Draw your favourite fruit and flowerQ7 Make figures of parrot and butterfly with the help of your thumb and fingerQ8 With the help of leaves make mouse and butterfly
CLASS III B
ENGLISH HINDI MATHS EVS1) Write five sentences on lsquo Morning lsquo 2) Write five sentences on lsquoGarden lsquo3) Do ten page handwriting 4) Learn new words of unit 15) Learn unit 1 question answer 6) Learn one English poem
) परकितदिदन एक पज
स13ख लि13खना ह २) ३ ककिवताए लि13खनी ह याद भी करनी ह३) १० किव13ोम शबद १० समानारथीL १०
पा13त १० ज-13ी जानवर क नाम लि13खो४) किवदया13य का लिचतर
बनाओ और र- भरो
1) Write down 1 to 15
Multiplication Table and
Learn it
2) Make a
different type
of
Mathematical
Shape
3) On the dot grid
draw the
following(a)
House (b) Cup
board (c) Chair
(d) Table (e)
Star (f) Sun
4) Make a Any
Two Mask
1) Name the following (each five)-a) Wild animals domestic animals water animals insects birds2) Name three animals that can-a) Crawl b) walk
c) fly d) have a tail
3) Name any five trees4) Write some slogans on save trees (any three)5) Poster making on save trees6) Draw your favourite fruit and flower and name them7) With the help of leaves make mouse and butterfly
CLASS IVA
ENGLISH HINDI MATHS EVS1 Practice cursive
handwriting 10 pages in English cursive writing book
2 Draw and colour your favourite fruit and write 10 sentences about it
3 Write a poetry by yourself(atleast 8 lines)
4 Draw a picture and write piture composition on it
5 Learn poem rsquoNosesrsquo and lsquoRunrsquo for FAII oral exam
6 Do practice of reading English textbook newspapersmagazines etc
बाद13 वरषाा0ऋत और पड़ पर कएवीआईटीए लि13खो |
ज13 चकर का लिचतर बनाकर र- भरो |
अकबर बीरब13 स सबधि5त मलय पर आ5ारिरत कहानी लि13खो |
तना13ीरामन स सबधि5त एक कहानी लि13खो |
अ13- ndash अ13- पड़ो कई लिचतर बनाकर नाम लि13खो तरथीा उसका उपयो- लि13खो |
किवभिभनन परकार कई -दो कई लिचतर बनाकर ख13 कई नाम लि13खो |
अपन किपरय ख13 पर दस वाकय लि13खो |
1) Write down 1 to 20
Multiplication Table and
Learn it
2) Make a 5 Bricks Pattern
3) Write down Page no -
3471012
4) Make a different type of
shape on chart paper
and cut it and paste it
on card paper
1) Name any one famous bridge Write about it in 10 sentences Paste its picture
2) Name and paste pictures of (5-5pictures)Extinct animals
Endangered animals
3) Name and paste pictures (5 only)of animals live in herd4) Paste picture of our national animal and write 10 lines about it 5) Paste picture of animals which give a ride
CLASS IVB
ENGLISH HINDI MATHS EVS1 Practice cursive
handwriting 10 pages in English cursive writing
बाद13 वरषाा0ऋत और पड़ पर कएवीआईटीए लि13खो |
ज13 चकर का लिचतर बनाकर र-
1) Write down 1 to 20
Multiplication Table and
1) Name any one famous bridge Write about
book2 Draw and colour
your favourite fruit and write 10 sentences about it
3 Write a poetry by yourself(atleast 8 lines)
4 Draw a picture and write picture composition on it
5 Learn poem rsquoNosesrsquo and lsquoRunrsquo for FAII oral exam
6 Do practice of reading English textbook newspapers magazines etc
भरो | अकबर बीरब13 स सबधि5त
मलय पर आ5ारिरत कहानी लि13खो |
तना13ीरामन स सबधि5त एक कहानी लि13खो |
अ13- ndash अ13- पड़ो कई लिचतर बनाकर नाम लि13खो तरथीा उसका उपयो- लि13खो |
किवभिभनन परकार कई -दो कई लिचतर बनाकर ख13 कई नाम लि13खो |
अपन किपरय ख13 पर दस वाकय लि13खो |
Learn it
2) Make a 5 Bricks Pattern
3) 3) Write down Page no -
3471012
4) Make a different type of
shape on chart paper
and cut it and paste it
on card paper
it in 10 sentences Paste its picture
2) Name and paste pictures of (5-5pictures)Extinct animals
Endangered animals
3) Name and paste pictures (5 only)of animals live in herd4) Paste picture of our national animal and write 10 lines about it 5) Paste picture of animals which give a ride
CLASS VA
ENGLISH HINDI MATHS EVS1)Essay Writing
How I spend my holidays2) To make pocket dictionary
3)Page 14 from book(PROJECT WORK)
4) PROJECT WORK- BEST OUT OF WASTE
1)भारत क मानलिचतर म राजय एव राज5ाकिनया अकिकत कर 2)किवभिभनन तयोहार क लिचतर लिचपकाकर अपन मनपसद तयोहार क बार म लि13खो 3)आपन -रमिमWयो की छदिYया कस किबताई अपन शबदो म लि13खो 4)10 दिदन क अवकाश की अनमकित क लि13ए पराचाय0 महोदय को लिचटठी लि13खो 5)अपन जनमदिदन क शभ अवसर पर अपन अपनी दोसत को आमकितरत करत हए पतर लि13खो 6)सवरलिचत कहानी एव ककिवता लि13खो
1) Use some shapes to
draw the different sea
animals
2) Draw Cut and paste
different types of boats
3) Collage work - whale
shark
4) Three examples of each-
addition subtraction
multiplication division
5) Make closed shapes
with 3 4 5 and 6 sides
6) Name and draw
different types angles
7) Make different shapes
using matchsticks
8) Tables from 11 to 20
1) Write the names of animals which are in danger2) Give the names of animals which are extinct on the earth3) Write the following Animals with better visionhellipAnimals with smelling sensehellipAnimals with better hearing sensehellip4) Give five names of poisonous and non- poisonous snakes5) Paste or draw the pictures of digestive system6) Project-(i) Collect different food grains or seeds and store them in a small jars or transparent bags (ii) Take an empty food packet paste it on a paper and write the following details below itName of the product-helliphellip Name of the company-helliphellip Price of the producthellip Weight or volume-helliphellip date of Packinghelliphelliphellip date of expiry
CLASS VB
ENGLISH HINDI MATHS EVS1 Practice cursive writing 1)भारत क मानलिचतर म राजय एव 1) Use some shapes to 1) Write the names of
20 pages2 Make any two items by
using the waste material
3 Make 15 newspaper bags using old newspapers
4 Make your own dictionary using a small diaryrough pages and write the difficult words from unit 1 and unit 2
5 Do reading practice daily and bring cut-outs of interesting articles from English newspapers magazines etc
6 Write a report on lsquoMy Summer Holidaysrsquo
7 Make your own poetry and bring it to class (any topic)
8 Learn the dialogues of your favourite advertisement for enacting in the class
राज5ाकिनया अकिकत कर 2)किवभिभनन तयोहार क लिचतर लिचपकाकर अपन मनपसद तयोहार क बार म लि13खो 3)आपन -रमिमWयो की छदिYया कस किबताई अपन शबदो म लि13खो 4)10 दिदन क अवकाश की अनमकित क लि13ए पराचाय0 महोदय को लिचटठी लि13खो 5)अपन जनमदिदन क शभ अवसर पर अपन अपनी दोसत को आमकितरत करत हए पतर लि13खो 6)सवरलिचत कहानी एव ककिवता लि13खो
draw the different sea
animals
2) Draw Cut and paste
different types of boats
3) Collage work - whale
shark
4) Three examples of each-
addition subtraction
multiplication division
5) Make closed shapes
with 3 4 5 and 6 sides
6) Name and draw
different types angles
7) Make different shapes
using matchsticks
8) Tables from 11 to 20
animals which are in danger2) Give the names of animals which are extinct on the earth3) Write the following
Animals with better visionhellip
Animals with smelling sensehellip
Animals with better hearing sensehellip4) Give five names of poisonous and non- poisonous snakes5) Paste or draw the pictures of digestive system6) Project-(i) Collect different food grains or seeds and store them in a small jars or
transparent bags (ii) Take an
empty food packet paste it on a paper and write the following
details below it
Name of the product-helliphellip Name of the company-helliphellip Price of the producthellip Weight or volume-helliphellip date of Packinghelliphelliphellip date of expiry
KENDRIYA VIDYALAYA ONGC MEHSANAClass XII Computer Science Summer Vacation Assignment 2016-17
Topic C++ revision tour Class amp Object Constructor amp Destructor
Mrs Namrata Shah
PGT(Computer Science)
Find output of the following programs 23 Marks(1) include ltiostreamhgt struct GAME int Score Bonus void Play(GAME ampg int N=10) gScore++gBonus+=N void main() GAME G=11050 Play(G10) coutltltGScoreltltltltGBonusltltendl Play(G) coutltltGScoreltltltltGBonusltltendl Play(G15) coutltltGScoreltltltltGBonusltltendl
(2) include ltiostreamhgt void Secret(char Str[ ]) for (int L=0Str[L]=0L++) for (int C=0CltL2C++) if (Str[C]==A || Str[C]==E) Str[C]= else char Temp=Str[C] Str[C]=Str[L-C-1] Str[L-C-1]=Temp void main() char Message[ ]=ArabSagar Secret(Message) coutltltMessageltltendl
(3) In the following program if the value of Guess entered by the user is 65 what will be the expected output(s) from the following options (i) (ii) (iii) and (iv) include ltiostreamhgt include ltstdlibhgt void main() int Guess
(4) void swap(char ampc1char ampc2) char temp temp=c1 c1=c2 c2=temp void update(char str) int kjl1l2 l1 = (strlen(str)+1)2 l2=strlen(str)
randomize() cingtgtGuess for (int I=1Ilt=4I++) New=Guess+random(I) coutltlt(char)New (i) ABBC (ii) ACBA (iii) BCDA (iv) CABD7
for(k=0j=l1-1kltjk++jndash) if(islower(str[k])) swap(str[k]str[j]) for(k=l1j=l2-1kltjk++jndash) if(isupper(str[k])) swap(str[k]str[j]) void main() chardata[100]=ldquogOoDLUckrdquo coutltltrdquoOriginalDataldquoltltdataltltendl update(data) coutltltrdquoUpdatedDataldquoltltdata
(5) void main ( ) (6) void SwitchOver(int A [ ] int N int Split)
int Queen Moves [ ] = 11 22 33 44 Queen = Moves Moves [2] + = 22 coutltlt ldquoQueen rdquoltltQueenltltend1 Queen ndash = 11 Queen + = 2 coutltlt ldquoNow rdquoltltQueenltltendl Queen++ coutltlt ldquoFinallyrdquoltltQueenlaquoendl coutltlt ldquoNew Origin rdquoltltMoves[0]ltltend1
for (int K=0 KltN K++) if (KltSplit) A(K]+ =K else A [K]=K void Display (int A [ ] int N) for (int K=0 KltN K++) (K2==0) coutltltA[K]ltltrdquordquocoutltltA(K]ltltendl
void main ( )int H[ ]= 30405020105 SwitchOver (H 6 3) Display (H 6)
(7) Go through the C++ code shown below and find out the possible output or outputs from the suggested Output Options (i) to (iv) Also write the minimum and maximum values which can be assigned to the variable MyNum
include void main ( ) randomize ( ) int MyNum Max=5 MyNum = 20 + random (Max) for (int N=MyNum Nlt=25N++) coutltNltrdquordquo
(i) 202122232425 (ii) 22232425 (iii) 2324 (iv) 2122232425
(8) int A[][4] = 11213243 20304050 for (int i = 1 ilt2 i++) for (int j = 0 jlt4 j++) coutltltA[i][j]ltltrdquonrdquo
(9) int a = 5 void demo(int x int y int ampz) a += x+y z = a+y y += x coutltltxltltrsquoltltyltltrsquoltltzltltendl void main() int a = 3 b = 4 demo(aab) demo(aab)
(10) In the following C++ program what will the maximum and minimum value of r generated with the help of random function
include voidmain() int r randomize() r=random(20)+random(2)
coutltltr
2 3 MARKS QUESTIONSQ1What is an abstract class How is it different from a concrete class
Q2 What is OO Paradigm How is it different from Procedural Programming Paradigm
Q3 What is polymorphism Give an example in C++ to show how it is implemented in C++
Q4 What is function overloading Give an example in C++ to show how it is implemented in C+
+
Q5 Which functions in classes in C++ are inline by default What is the significance of these
functions
Q6What happens if no constructor is provided by the user in a class
Q7 When is memory allocated to a constructor
Q8 Reusability of classes is one of the major properties of OOP How is it implemented in C++
Q9 Consider a class Item with the following specifications
class Item private int Ino char IName[25] float Price public Item() f1 Item (int nchar nm[25]float rate) f2 Item(Item ampobj) f3 a) Write function definitions of all the member functionsb) Name the feature of OOP implemented in the class abovec) Write the constructor invocation statement for the above functions
Q10 CONSIDER a class Candidate with the following specifications Class Result Private int Cno char Name[20] int mks Public Candidate() f1 Candidate(int Cnchar nm[20]int marks) f2 ~ Candidate( ) f3 a) What are the member functions f1f3 called in C++b) Write the definitions of all functions
c) Create an object for f1 and f2 to invoke them
4 MARKS QUESTIONSQ11 Define a class hotel with the following specifications Private members Roomno integer Name string Charges_day float No_of_days integer Compute() -To calculate and return the total charges as charges_day No_of_days Public members Getit ( ) -to enter the data members Showit( ) to show the data member A constructor function to initialize the data members
Q12 Define a class Stock with the following specifications Private members Itemno integer Item Name string Price qty total discount float Compute() -To calculate and return the total Find discount as If qty gt=50 discount=10 on total amount If qtylt50 discount = nil Public members Getit() -to enter the data members Showit() -to show the data member A constructor function to initialize the dataQ13Define a class Clothing with the following specification
Private members Code stringType stringSize integerMaterial stringPrice float
Calculate() function which computes the Price as followsFor the value of Material as ldquoCOTTONrdquo
Type Price (Rs)TROUSER 1500SHIRT 1200
Public members Constructor to initialize the values as 0 to Size amp Price and NULL to
Code type and Material ReadData() function which accepts the data values and invoke the function Calculate() DisplayData() function which prints the data on the screen
Q14Define a class Housing with the following specificationPrivate members Name 20 Characters
Type CharacterCost floatReg_no integer(range 10-1000)
Public members ReadData() function to read an object of Housing type
DisplayData() function which prints the details of an objectFunction Draw_nos() to chose and display the details of two houses selected randomly from an array of ten objects of type Housing Use random function to generate the registration numbers to match with Reg_no from the array
Summer Vacation Holiday Homework (2016-17)Class XII
Informatics Practices (065) Chapter 1 2 and Project Work
Mrs Namrata Shah
PGT(Computer Science)
Q1 Answer the following questions
(b) A school would like to go in for network of all the computers Which topology would
you suggest and why
(c) Name these
(i)It is a software package that allows people to send electronic mail along a network
of computers and workstation
(ii)It is a network topology in which there are bi-directional links between each
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
CLASS III B
ENGLISH HINDI MATHS EVS1) Write five sentences on lsquo Morning lsquo 2) Write five sentences on lsquoGarden lsquo3) Do ten page handwriting 4) Learn new words of unit 15) Learn unit 1 question answer 6) Learn one English poem
) परकितदिदन एक पज
स13ख लि13खना ह २) ३ ककिवताए लि13खनी ह याद भी करनी ह३) १० किव13ोम शबद १० समानारथीL १०
पा13त १० ज-13ी जानवर क नाम लि13खो४) किवदया13य का लिचतर
बनाओ और र- भरो
1) Write down 1 to 15
Multiplication Table and
Learn it
2) Make a
different type
of
Mathematical
Shape
3) On the dot grid
draw the
following(a)
House (b) Cup
board (c) Chair
(d) Table (e)
Star (f) Sun
4) Make a Any
Two Mask
1) Name the following (each five)-a) Wild animals domestic animals water animals insects birds2) Name three animals that can-a) Crawl b) walk
c) fly d) have a tail
3) Name any five trees4) Write some slogans on save trees (any three)5) Poster making on save trees6) Draw your favourite fruit and flower and name them7) With the help of leaves make mouse and butterfly
CLASS IVA
ENGLISH HINDI MATHS EVS1 Practice cursive
handwriting 10 pages in English cursive writing book
2 Draw and colour your favourite fruit and write 10 sentences about it
3 Write a poetry by yourself(atleast 8 lines)
4 Draw a picture and write piture composition on it
5 Learn poem rsquoNosesrsquo and lsquoRunrsquo for FAII oral exam
6 Do practice of reading English textbook newspapersmagazines etc
बाद13 वरषाा0ऋत और पड़ पर कएवीआईटीए लि13खो |
ज13 चकर का लिचतर बनाकर र- भरो |
अकबर बीरब13 स सबधि5त मलय पर आ5ारिरत कहानी लि13खो |
तना13ीरामन स सबधि5त एक कहानी लि13खो |
अ13- ndash अ13- पड़ो कई लिचतर बनाकर नाम लि13खो तरथीा उसका उपयो- लि13खो |
किवभिभनन परकार कई -दो कई लिचतर बनाकर ख13 कई नाम लि13खो |
अपन किपरय ख13 पर दस वाकय लि13खो |
1) Write down 1 to 20
Multiplication Table and
Learn it
2) Make a 5 Bricks Pattern
3) Write down Page no -
3471012
4) Make a different type of
shape on chart paper
and cut it and paste it
on card paper
1) Name any one famous bridge Write about it in 10 sentences Paste its picture
2) Name and paste pictures of (5-5pictures)Extinct animals
Endangered animals
3) Name and paste pictures (5 only)of animals live in herd4) Paste picture of our national animal and write 10 lines about it 5) Paste picture of animals which give a ride
CLASS IVB
ENGLISH HINDI MATHS EVS1 Practice cursive
handwriting 10 pages in English cursive writing
बाद13 वरषाा0ऋत और पड़ पर कएवीआईटीए लि13खो |
ज13 चकर का लिचतर बनाकर र-
1) Write down 1 to 20
Multiplication Table and
1) Name any one famous bridge Write about
book2 Draw and colour
your favourite fruit and write 10 sentences about it
3 Write a poetry by yourself(atleast 8 lines)
4 Draw a picture and write picture composition on it
5 Learn poem rsquoNosesrsquo and lsquoRunrsquo for FAII oral exam
6 Do practice of reading English textbook newspapers magazines etc
भरो | अकबर बीरब13 स सबधि5त
मलय पर आ5ारिरत कहानी लि13खो |
तना13ीरामन स सबधि5त एक कहानी लि13खो |
अ13- ndash अ13- पड़ो कई लिचतर बनाकर नाम लि13खो तरथीा उसका उपयो- लि13खो |
किवभिभनन परकार कई -दो कई लिचतर बनाकर ख13 कई नाम लि13खो |
अपन किपरय ख13 पर दस वाकय लि13खो |
Learn it
2) Make a 5 Bricks Pattern
3) 3) Write down Page no -
3471012
4) Make a different type of
shape on chart paper
and cut it and paste it
on card paper
it in 10 sentences Paste its picture
2) Name and paste pictures of (5-5pictures)Extinct animals
Endangered animals
3) Name and paste pictures (5 only)of animals live in herd4) Paste picture of our national animal and write 10 lines about it 5) Paste picture of animals which give a ride
CLASS VA
ENGLISH HINDI MATHS EVS1)Essay Writing
How I spend my holidays2) To make pocket dictionary
3)Page 14 from book(PROJECT WORK)
4) PROJECT WORK- BEST OUT OF WASTE
1)भारत क मानलिचतर म राजय एव राज5ाकिनया अकिकत कर 2)किवभिभनन तयोहार क लिचतर लिचपकाकर अपन मनपसद तयोहार क बार म लि13खो 3)आपन -रमिमWयो की छदिYया कस किबताई अपन शबदो म लि13खो 4)10 दिदन क अवकाश की अनमकित क लि13ए पराचाय0 महोदय को लिचटठी लि13खो 5)अपन जनमदिदन क शभ अवसर पर अपन अपनी दोसत को आमकितरत करत हए पतर लि13खो 6)सवरलिचत कहानी एव ककिवता लि13खो
1) Use some shapes to
draw the different sea
animals
2) Draw Cut and paste
different types of boats
3) Collage work - whale
shark
4) Three examples of each-
addition subtraction
multiplication division
5) Make closed shapes
with 3 4 5 and 6 sides
6) Name and draw
different types angles
7) Make different shapes
using matchsticks
8) Tables from 11 to 20
1) Write the names of animals which are in danger2) Give the names of animals which are extinct on the earth3) Write the following Animals with better visionhellipAnimals with smelling sensehellipAnimals with better hearing sensehellip4) Give five names of poisonous and non- poisonous snakes5) Paste or draw the pictures of digestive system6) Project-(i) Collect different food grains or seeds and store them in a small jars or transparent bags (ii) Take an empty food packet paste it on a paper and write the following details below itName of the product-helliphellip Name of the company-helliphellip Price of the producthellip Weight or volume-helliphellip date of Packinghelliphelliphellip date of expiry
CLASS VB
ENGLISH HINDI MATHS EVS1 Practice cursive writing 1)भारत क मानलिचतर म राजय एव 1) Use some shapes to 1) Write the names of
20 pages2 Make any two items by
using the waste material
3 Make 15 newspaper bags using old newspapers
4 Make your own dictionary using a small diaryrough pages and write the difficult words from unit 1 and unit 2
5 Do reading practice daily and bring cut-outs of interesting articles from English newspapers magazines etc
6 Write a report on lsquoMy Summer Holidaysrsquo
7 Make your own poetry and bring it to class (any topic)
8 Learn the dialogues of your favourite advertisement for enacting in the class
राज5ाकिनया अकिकत कर 2)किवभिभनन तयोहार क लिचतर लिचपकाकर अपन मनपसद तयोहार क बार म लि13खो 3)आपन -रमिमWयो की छदिYया कस किबताई अपन शबदो म लि13खो 4)10 दिदन क अवकाश की अनमकित क लि13ए पराचाय0 महोदय को लिचटठी लि13खो 5)अपन जनमदिदन क शभ अवसर पर अपन अपनी दोसत को आमकितरत करत हए पतर लि13खो 6)सवरलिचत कहानी एव ककिवता लि13खो
draw the different sea
animals
2) Draw Cut and paste
different types of boats
3) Collage work - whale
shark
4) Three examples of each-
addition subtraction
multiplication division
5) Make closed shapes
with 3 4 5 and 6 sides
6) Name and draw
different types angles
7) Make different shapes
using matchsticks
8) Tables from 11 to 20
animals which are in danger2) Give the names of animals which are extinct on the earth3) Write the following
Animals with better visionhellip
Animals with smelling sensehellip
Animals with better hearing sensehellip4) Give five names of poisonous and non- poisonous snakes5) Paste or draw the pictures of digestive system6) Project-(i) Collect different food grains or seeds and store them in a small jars or
transparent bags (ii) Take an
empty food packet paste it on a paper and write the following
details below it
Name of the product-helliphellip Name of the company-helliphellip Price of the producthellip Weight or volume-helliphellip date of Packinghelliphelliphellip date of expiry
KENDRIYA VIDYALAYA ONGC MEHSANAClass XII Computer Science Summer Vacation Assignment 2016-17
Topic C++ revision tour Class amp Object Constructor amp Destructor
Mrs Namrata Shah
PGT(Computer Science)
Find output of the following programs 23 Marks(1) include ltiostreamhgt struct GAME int Score Bonus void Play(GAME ampg int N=10) gScore++gBonus+=N void main() GAME G=11050 Play(G10) coutltltGScoreltltltltGBonusltltendl Play(G) coutltltGScoreltltltltGBonusltltendl Play(G15) coutltltGScoreltltltltGBonusltltendl
(2) include ltiostreamhgt void Secret(char Str[ ]) for (int L=0Str[L]=0L++) for (int C=0CltL2C++) if (Str[C]==A || Str[C]==E) Str[C]= else char Temp=Str[C] Str[C]=Str[L-C-1] Str[L-C-1]=Temp void main() char Message[ ]=ArabSagar Secret(Message) coutltltMessageltltendl
(3) In the following program if the value of Guess entered by the user is 65 what will be the expected output(s) from the following options (i) (ii) (iii) and (iv) include ltiostreamhgt include ltstdlibhgt void main() int Guess
(4) void swap(char ampc1char ampc2) char temp temp=c1 c1=c2 c2=temp void update(char str) int kjl1l2 l1 = (strlen(str)+1)2 l2=strlen(str)
randomize() cingtgtGuess for (int I=1Ilt=4I++) New=Guess+random(I) coutltlt(char)New (i) ABBC (ii) ACBA (iii) BCDA (iv) CABD7
for(k=0j=l1-1kltjk++jndash) if(islower(str[k])) swap(str[k]str[j]) for(k=l1j=l2-1kltjk++jndash) if(isupper(str[k])) swap(str[k]str[j]) void main() chardata[100]=ldquogOoDLUckrdquo coutltltrdquoOriginalDataldquoltltdataltltendl update(data) coutltltrdquoUpdatedDataldquoltltdata
(5) void main ( ) (6) void SwitchOver(int A [ ] int N int Split)
int Queen Moves [ ] = 11 22 33 44 Queen = Moves Moves [2] + = 22 coutltlt ldquoQueen rdquoltltQueenltltend1 Queen ndash = 11 Queen + = 2 coutltlt ldquoNow rdquoltltQueenltltendl Queen++ coutltlt ldquoFinallyrdquoltltQueenlaquoendl coutltlt ldquoNew Origin rdquoltltMoves[0]ltltend1
for (int K=0 KltN K++) if (KltSplit) A(K]+ =K else A [K]=K void Display (int A [ ] int N) for (int K=0 KltN K++) (K2==0) coutltltA[K]ltltrdquordquocoutltltA(K]ltltendl
void main ( )int H[ ]= 30405020105 SwitchOver (H 6 3) Display (H 6)
(7) Go through the C++ code shown below and find out the possible output or outputs from the suggested Output Options (i) to (iv) Also write the minimum and maximum values which can be assigned to the variable MyNum
include void main ( ) randomize ( ) int MyNum Max=5 MyNum = 20 + random (Max) for (int N=MyNum Nlt=25N++) coutltNltrdquordquo
(i) 202122232425 (ii) 22232425 (iii) 2324 (iv) 2122232425
(8) int A[][4] = 11213243 20304050 for (int i = 1 ilt2 i++) for (int j = 0 jlt4 j++) coutltltA[i][j]ltltrdquonrdquo
(9) int a = 5 void demo(int x int y int ampz) a += x+y z = a+y y += x coutltltxltltrsquoltltyltltrsquoltltzltltendl void main() int a = 3 b = 4 demo(aab) demo(aab)
(10) In the following C++ program what will the maximum and minimum value of r generated with the help of random function
include voidmain() int r randomize() r=random(20)+random(2)
coutltltr
2 3 MARKS QUESTIONSQ1What is an abstract class How is it different from a concrete class
Q2 What is OO Paradigm How is it different from Procedural Programming Paradigm
Q3 What is polymorphism Give an example in C++ to show how it is implemented in C++
Q4 What is function overloading Give an example in C++ to show how it is implemented in C+
+
Q5 Which functions in classes in C++ are inline by default What is the significance of these
functions
Q6What happens if no constructor is provided by the user in a class
Q7 When is memory allocated to a constructor
Q8 Reusability of classes is one of the major properties of OOP How is it implemented in C++
Q9 Consider a class Item with the following specifications
class Item private int Ino char IName[25] float Price public Item() f1 Item (int nchar nm[25]float rate) f2 Item(Item ampobj) f3 a) Write function definitions of all the member functionsb) Name the feature of OOP implemented in the class abovec) Write the constructor invocation statement for the above functions
Q10 CONSIDER a class Candidate with the following specifications Class Result Private int Cno char Name[20] int mks Public Candidate() f1 Candidate(int Cnchar nm[20]int marks) f2 ~ Candidate( ) f3 a) What are the member functions f1f3 called in C++b) Write the definitions of all functions
c) Create an object for f1 and f2 to invoke them
4 MARKS QUESTIONSQ11 Define a class hotel with the following specifications Private members Roomno integer Name string Charges_day float No_of_days integer Compute() -To calculate and return the total charges as charges_day No_of_days Public members Getit ( ) -to enter the data members Showit( ) to show the data member A constructor function to initialize the data members
Q12 Define a class Stock with the following specifications Private members Itemno integer Item Name string Price qty total discount float Compute() -To calculate and return the total Find discount as If qty gt=50 discount=10 on total amount If qtylt50 discount = nil Public members Getit() -to enter the data members Showit() -to show the data member A constructor function to initialize the dataQ13Define a class Clothing with the following specification
Private members Code stringType stringSize integerMaterial stringPrice float
Calculate() function which computes the Price as followsFor the value of Material as ldquoCOTTONrdquo
Type Price (Rs)TROUSER 1500SHIRT 1200
Public members Constructor to initialize the values as 0 to Size amp Price and NULL to
Code type and Material ReadData() function which accepts the data values and invoke the function Calculate() DisplayData() function which prints the data on the screen
Q14Define a class Housing with the following specificationPrivate members Name 20 Characters
Type CharacterCost floatReg_no integer(range 10-1000)
Public members ReadData() function to read an object of Housing type
DisplayData() function which prints the details of an objectFunction Draw_nos() to chose and display the details of two houses selected randomly from an array of ten objects of type Housing Use random function to generate the registration numbers to match with Reg_no from the array
Summer Vacation Holiday Homework (2016-17)Class XII
Informatics Practices (065) Chapter 1 2 and Project Work
Mrs Namrata Shah
PGT(Computer Science)
Q1 Answer the following questions
(b) A school would like to go in for network of all the computers Which topology would
you suggest and why
(c) Name these
(i)It is a software package that allows people to send electronic mail along a network
of computers and workstation
(ii)It is a network topology in which there are bi-directional links between each
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
book2 Draw and colour
your favourite fruit and write 10 sentences about it
3 Write a poetry by yourself(atleast 8 lines)
4 Draw a picture and write picture composition on it
5 Learn poem rsquoNosesrsquo and lsquoRunrsquo for FAII oral exam
6 Do practice of reading English textbook newspapers magazines etc
भरो | अकबर बीरब13 स सबधि5त
मलय पर आ5ारिरत कहानी लि13खो |
तना13ीरामन स सबधि5त एक कहानी लि13खो |
अ13- ndash अ13- पड़ो कई लिचतर बनाकर नाम लि13खो तरथीा उसका उपयो- लि13खो |
किवभिभनन परकार कई -दो कई लिचतर बनाकर ख13 कई नाम लि13खो |
अपन किपरय ख13 पर दस वाकय लि13खो |
Learn it
2) Make a 5 Bricks Pattern
3) 3) Write down Page no -
3471012
4) Make a different type of
shape on chart paper
and cut it and paste it
on card paper
it in 10 sentences Paste its picture
2) Name and paste pictures of (5-5pictures)Extinct animals
Endangered animals
3) Name and paste pictures (5 only)of animals live in herd4) Paste picture of our national animal and write 10 lines about it 5) Paste picture of animals which give a ride
CLASS VA
ENGLISH HINDI MATHS EVS1)Essay Writing
How I spend my holidays2) To make pocket dictionary
3)Page 14 from book(PROJECT WORK)
4) PROJECT WORK- BEST OUT OF WASTE
1)भारत क मानलिचतर म राजय एव राज5ाकिनया अकिकत कर 2)किवभिभनन तयोहार क लिचतर लिचपकाकर अपन मनपसद तयोहार क बार म लि13खो 3)आपन -रमिमWयो की छदिYया कस किबताई अपन शबदो म लि13खो 4)10 दिदन क अवकाश की अनमकित क लि13ए पराचाय0 महोदय को लिचटठी लि13खो 5)अपन जनमदिदन क शभ अवसर पर अपन अपनी दोसत को आमकितरत करत हए पतर लि13खो 6)सवरलिचत कहानी एव ककिवता लि13खो
1) Use some shapes to
draw the different sea
animals
2) Draw Cut and paste
different types of boats
3) Collage work - whale
shark
4) Three examples of each-
addition subtraction
multiplication division
5) Make closed shapes
with 3 4 5 and 6 sides
6) Name and draw
different types angles
7) Make different shapes
using matchsticks
8) Tables from 11 to 20
1) Write the names of animals which are in danger2) Give the names of animals which are extinct on the earth3) Write the following Animals with better visionhellipAnimals with smelling sensehellipAnimals with better hearing sensehellip4) Give five names of poisonous and non- poisonous snakes5) Paste or draw the pictures of digestive system6) Project-(i) Collect different food grains or seeds and store them in a small jars or transparent bags (ii) Take an empty food packet paste it on a paper and write the following details below itName of the product-helliphellip Name of the company-helliphellip Price of the producthellip Weight or volume-helliphellip date of Packinghelliphelliphellip date of expiry
CLASS VB
ENGLISH HINDI MATHS EVS1 Practice cursive writing 1)भारत क मानलिचतर म राजय एव 1) Use some shapes to 1) Write the names of
20 pages2 Make any two items by
using the waste material
3 Make 15 newspaper bags using old newspapers
4 Make your own dictionary using a small diaryrough pages and write the difficult words from unit 1 and unit 2
5 Do reading practice daily and bring cut-outs of interesting articles from English newspapers magazines etc
6 Write a report on lsquoMy Summer Holidaysrsquo
7 Make your own poetry and bring it to class (any topic)
8 Learn the dialogues of your favourite advertisement for enacting in the class
राज5ाकिनया अकिकत कर 2)किवभिभनन तयोहार क लिचतर लिचपकाकर अपन मनपसद तयोहार क बार म लि13खो 3)आपन -रमिमWयो की छदिYया कस किबताई अपन शबदो म लि13खो 4)10 दिदन क अवकाश की अनमकित क लि13ए पराचाय0 महोदय को लिचटठी लि13खो 5)अपन जनमदिदन क शभ अवसर पर अपन अपनी दोसत को आमकितरत करत हए पतर लि13खो 6)सवरलिचत कहानी एव ककिवता लि13खो
draw the different sea
animals
2) Draw Cut and paste
different types of boats
3) Collage work - whale
shark
4) Three examples of each-
addition subtraction
multiplication division
5) Make closed shapes
with 3 4 5 and 6 sides
6) Name and draw
different types angles
7) Make different shapes
using matchsticks
8) Tables from 11 to 20
animals which are in danger2) Give the names of animals which are extinct on the earth3) Write the following
Animals with better visionhellip
Animals with smelling sensehellip
Animals with better hearing sensehellip4) Give five names of poisonous and non- poisonous snakes5) Paste or draw the pictures of digestive system6) Project-(i) Collect different food grains or seeds and store them in a small jars or
transparent bags (ii) Take an
empty food packet paste it on a paper and write the following
details below it
Name of the product-helliphellip Name of the company-helliphellip Price of the producthellip Weight or volume-helliphellip date of Packinghelliphelliphellip date of expiry
KENDRIYA VIDYALAYA ONGC MEHSANAClass XII Computer Science Summer Vacation Assignment 2016-17
Topic C++ revision tour Class amp Object Constructor amp Destructor
Mrs Namrata Shah
PGT(Computer Science)
Find output of the following programs 23 Marks(1) include ltiostreamhgt struct GAME int Score Bonus void Play(GAME ampg int N=10) gScore++gBonus+=N void main() GAME G=11050 Play(G10) coutltltGScoreltltltltGBonusltltendl Play(G) coutltltGScoreltltltltGBonusltltendl Play(G15) coutltltGScoreltltltltGBonusltltendl
(2) include ltiostreamhgt void Secret(char Str[ ]) for (int L=0Str[L]=0L++) for (int C=0CltL2C++) if (Str[C]==A || Str[C]==E) Str[C]= else char Temp=Str[C] Str[C]=Str[L-C-1] Str[L-C-1]=Temp void main() char Message[ ]=ArabSagar Secret(Message) coutltltMessageltltendl
(3) In the following program if the value of Guess entered by the user is 65 what will be the expected output(s) from the following options (i) (ii) (iii) and (iv) include ltiostreamhgt include ltstdlibhgt void main() int Guess
(4) void swap(char ampc1char ampc2) char temp temp=c1 c1=c2 c2=temp void update(char str) int kjl1l2 l1 = (strlen(str)+1)2 l2=strlen(str)
randomize() cingtgtGuess for (int I=1Ilt=4I++) New=Guess+random(I) coutltlt(char)New (i) ABBC (ii) ACBA (iii) BCDA (iv) CABD7
for(k=0j=l1-1kltjk++jndash) if(islower(str[k])) swap(str[k]str[j]) for(k=l1j=l2-1kltjk++jndash) if(isupper(str[k])) swap(str[k]str[j]) void main() chardata[100]=ldquogOoDLUckrdquo coutltltrdquoOriginalDataldquoltltdataltltendl update(data) coutltltrdquoUpdatedDataldquoltltdata
(5) void main ( ) (6) void SwitchOver(int A [ ] int N int Split)
int Queen Moves [ ] = 11 22 33 44 Queen = Moves Moves [2] + = 22 coutltlt ldquoQueen rdquoltltQueenltltend1 Queen ndash = 11 Queen + = 2 coutltlt ldquoNow rdquoltltQueenltltendl Queen++ coutltlt ldquoFinallyrdquoltltQueenlaquoendl coutltlt ldquoNew Origin rdquoltltMoves[0]ltltend1
for (int K=0 KltN K++) if (KltSplit) A(K]+ =K else A [K]=K void Display (int A [ ] int N) for (int K=0 KltN K++) (K2==0) coutltltA[K]ltltrdquordquocoutltltA(K]ltltendl
void main ( )int H[ ]= 30405020105 SwitchOver (H 6 3) Display (H 6)
(7) Go through the C++ code shown below and find out the possible output or outputs from the suggested Output Options (i) to (iv) Also write the minimum and maximum values which can be assigned to the variable MyNum
include void main ( ) randomize ( ) int MyNum Max=5 MyNum = 20 + random (Max) for (int N=MyNum Nlt=25N++) coutltNltrdquordquo
(i) 202122232425 (ii) 22232425 (iii) 2324 (iv) 2122232425
(8) int A[][4] = 11213243 20304050 for (int i = 1 ilt2 i++) for (int j = 0 jlt4 j++) coutltltA[i][j]ltltrdquonrdquo
(9) int a = 5 void demo(int x int y int ampz) a += x+y z = a+y y += x coutltltxltltrsquoltltyltltrsquoltltzltltendl void main() int a = 3 b = 4 demo(aab) demo(aab)
(10) In the following C++ program what will the maximum and minimum value of r generated with the help of random function
include voidmain() int r randomize() r=random(20)+random(2)
coutltltr
2 3 MARKS QUESTIONSQ1What is an abstract class How is it different from a concrete class
Q2 What is OO Paradigm How is it different from Procedural Programming Paradigm
Q3 What is polymorphism Give an example in C++ to show how it is implemented in C++
Q4 What is function overloading Give an example in C++ to show how it is implemented in C+
+
Q5 Which functions in classes in C++ are inline by default What is the significance of these
functions
Q6What happens if no constructor is provided by the user in a class
Q7 When is memory allocated to a constructor
Q8 Reusability of classes is one of the major properties of OOP How is it implemented in C++
Q9 Consider a class Item with the following specifications
class Item private int Ino char IName[25] float Price public Item() f1 Item (int nchar nm[25]float rate) f2 Item(Item ampobj) f3 a) Write function definitions of all the member functionsb) Name the feature of OOP implemented in the class abovec) Write the constructor invocation statement for the above functions
Q10 CONSIDER a class Candidate with the following specifications Class Result Private int Cno char Name[20] int mks Public Candidate() f1 Candidate(int Cnchar nm[20]int marks) f2 ~ Candidate( ) f3 a) What are the member functions f1f3 called in C++b) Write the definitions of all functions
c) Create an object for f1 and f2 to invoke them
4 MARKS QUESTIONSQ11 Define a class hotel with the following specifications Private members Roomno integer Name string Charges_day float No_of_days integer Compute() -To calculate and return the total charges as charges_day No_of_days Public members Getit ( ) -to enter the data members Showit( ) to show the data member A constructor function to initialize the data members
Q12 Define a class Stock with the following specifications Private members Itemno integer Item Name string Price qty total discount float Compute() -To calculate and return the total Find discount as If qty gt=50 discount=10 on total amount If qtylt50 discount = nil Public members Getit() -to enter the data members Showit() -to show the data member A constructor function to initialize the dataQ13Define a class Clothing with the following specification
Private members Code stringType stringSize integerMaterial stringPrice float
Calculate() function which computes the Price as followsFor the value of Material as ldquoCOTTONrdquo
Type Price (Rs)TROUSER 1500SHIRT 1200
Public members Constructor to initialize the values as 0 to Size amp Price and NULL to
Code type and Material ReadData() function which accepts the data values and invoke the function Calculate() DisplayData() function which prints the data on the screen
Q14Define a class Housing with the following specificationPrivate members Name 20 Characters
Type CharacterCost floatReg_no integer(range 10-1000)
Public members ReadData() function to read an object of Housing type
DisplayData() function which prints the details of an objectFunction Draw_nos() to chose and display the details of two houses selected randomly from an array of ten objects of type Housing Use random function to generate the registration numbers to match with Reg_no from the array
Summer Vacation Holiday Homework (2016-17)Class XII
Informatics Practices (065) Chapter 1 2 and Project Work
Mrs Namrata Shah
PGT(Computer Science)
Q1 Answer the following questions
(b) A school would like to go in for network of all the computers Which topology would
you suggest and why
(c) Name these
(i)It is a software package that allows people to send electronic mail along a network
of computers and workstation
(ii)It is a network topology in which there are bi-directional links between each
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
20 pages2 Make any two items by
using the waste material
3 Make 15 newspaper bags using old newspapers
4 Make your own dictionary using a small diaryrough pages and write the difficult words from unit 1 and unit 2
5 Do reading practice daily and bring cut-outs of interesting articles from English newspapers magazines etc
6 Write a report on lsquoMy Summer Holidaysrsquo
7 Make your own poetry and bring it to class (any topic)
8 Learn the dialogues of your favourite advertisement for enacting in the class
राज5ाकिनया अकिकत कर 2)किवभिभनन तयोहार क लिचतर लिचपकाकर अपन मनपसद तयोहार क बार म लि13खो 3)आपन -रमिमWयो की छदिYया कस किबताई अपन शबदो म लि13खो 4)10 दिदन क अवकाश की अनमकित क लि13ए पराचाय0 महोदय को लिचटठी लि13खो 5)अपन जनमदिदन क शभ अवसर पर अपन अपनी दोसत को आमकितरत करत हए पतर लि13खो 6)सवरलिचत कहानी एव ककिवता लि13खो
draw the different sea
animals
2) Draw Cut and paste
different types of boats
3) Collage work - whale
shark
4) Three examples of each-
addition subtraction
multiplication division
5) Make closed shapes
with 3 4 5 and 6 sides
6) Name and draw
different types angles
7) Make different shapes
using matchsticks
8) Tables from 11 to 20
animals which are in danger2) Give the names of animals which are extinct on the earth3) Write the following
Animals with better visionhellip
Animals with smelling sensehellip
Animals with better hearing sensehellip4) Give five names of poisonous and non- poisonous snakes5) Paste or draw the pictures of digestive system6) Project-(i) Collect different food grains or seeds and store them in a small jars or
transparent bags (ii) Take an
empty food packet paste it on a paper and write the following
details below it
Name of the product-helliphellip Name of the company-helliphellip Price of the producthellip Weight or volume-helliphellip date of Packinghelliphelliphellip date of expiry
KENDRIYA VIDYALAYA ONGC MEHSANAClass XII Computer Science Summer Vacation Assignment 2016-17
Topic C++ revision tour Class amp Object Constructor amp Destructor
Mrs Namrata Shah
PGT(Computer Science)
Find output of the following programs 23 Marks(1) include ltiostreamhgt struct GAME int Score Bonus void Play(GAME ampg int N=10) gScore++gBonus+=N void main() GAME G=11050 Play(G10) coutltltGScoreltltltltGBonusltltendl Play(G) coutltltGScoreltltltltGBonusltltendl Play(G15) coutltltGScoreltltltltGBonusltltendl
(2) include ltiostreamhgt void Secret(char Str[ ]) for (int L=0Str[L]=0L++) for (int C=0CltL2C++) if (Str[C]==A || Str[C]==E) Str[C]= else char Temp=Str[C] Str[C]=Str[L-C-1] Str[L-C-1]=Temp void main() char Message[ ]=ArabSagar Secret(Message) coutltltMessageltltendl
(3) In the following program if the value of Guess entered by the user is 65 what will be the expected output(s) from the following options (i) (ii) (iii) and (iv) include ltiostreamhgt include ltstdlibhgt void main() int Guess
(4) void swap(char ampc1char ampc2) char temp temp=c1 c1=c2 c2=temp void update(char str) int kjl1l2 l1 = (strlen(str)+1)2 l2=strlen(str)
randomize() cingtgtGuess for (int I=1Ilt=4I++) New=Guess+random(I) coutltlt(char)New (i) ABBC (ii) ACBA (iii) BCDA (iv) CABD7
for(k=0j=l1-1kltjk++jndash) if(islower(str[k])) swap(str[k]str[j]) for(k=l1j=l2-1kltjk++jndash) if(isupper(str[k])) swap(str[k]str[j]) void main() chardata[100]=ldquogOoDLUckrdquo coutltltrdquoOriginalDataldquoltltdataltltendl update(data) coutltltrdquoUpdatedDataldquoltltdata
(5) void main ( ) (6) void SwitchOver(int A [ ] int N int Split)
int Queen Moves [ ] = 11 22 33 44 Queen = Moves Moves [2] + = 22 coutltlt ldquoQueen rdquoltltQueenltltend1 Queen ndash = 11 Queen + = 2 coutltlt ldquoNow rdquoltltQueenltltendl Queen++ coutltlt ldquoFinallyrdquoltltQueenlaquoendl coutltlt ldquoNew Origin rdquoltltMoves[0]ltltend1
for (int K=0 KltN K++) if (KltSplit) A(K]+ =K else A [K]=K void Display (int A [ ] int N) for (int K=0 KltN K++) (K2==0) coutltltA[K]ltltrdquordquocoutltltA(K]ltltendl
void main ( )int H[ ]= 30405020105 SwitchOver (H 6 3) Display (H 6)
(7) Go through the C++ code shown below and find out the possible output or outputs from the suggested Output Options (i) to (iv) Also write the minimum and maximum values which can be assigned to the variable MyNum
include void main ( ) randomize ( ) int MyNum Max=5 MyNum = 20 + random (Max) for (int N=MyNum Nlt=25N++) coutltNltrdquordquo
(i) 202122232425 (ii) 22232425 (iii) 2324 (iv) 2122232425
(8) int A[][4] = 11213243 20304050 for (int i = 1 ilt2 i++) for (int j = 0 jlt4 j++) coutltltA[i][j]ltltrdquonrdquo
(9) int a = 5 void demo(int x int y int ampz) a += x+y z = a+y y += x coutltltxltltrsquoltltyltltrsquoltltzltltendl void main() int a = 3 b = 4 demo(aab) demo(aab)
(10) In the following C++ program what will the maximum and minimum value of r generated with the help of random function
include voidmain() int r randomize() r=random(20)+random(2)
coutltltr
2 3 MARKS QUESTIONSQ1What is an abstract class How is it different from a concrete class
Q2 What is OO Paradigm How is it different from Procedural Programming Paradigm
Q3 What is polymorphism Give an example in C++ to show how it is implemented in C++
Q4 What is function overloading Give an example in C++ to show how it is implemented in C+
+
Q5 Which functions in classes in C++ are inline by default What is the significance of these
functions
Q6What happens if no constructor is provided by the user in a class
Q7 When is memory allocated to a constructor
Q8 Reusability of classes is one of the major properties of OOP How is it implemented in C++
Q9 Consider a class Item with the following specifications
class Item private int Ino char IName[25] float Price public Item() f1 Item (int nchar nm[25]float rate) f2 Item(Item ampobj) f3 a) Write function definitions of all the member functionsb) Name the feature of OOP implemented in the class abovec) Write the constructor invocation statement for the above functions
Q10 CONSIDER a class Candidate with the following specifications Class Result Private int Cno char Name[20] int mks Public Candidate() f1 Candidate(int Cnchar nm[20]int marks) f2 ~ Candidate( ) f3 a) What are the member functions f1f3 called in C++b) Write the definitions of all functions
c) Create an object for f1 and f2 to invoke them
4 MARKS QUESTIONSQ11 Define a class hotel with the following specifications Private members Roomno integer Name string Charges_day float No_of_days integer Compute() -To calculate and return the total charges as charges_day No_of_days Public members Getit ( ) -to enter the data members Showit( ) to show the data member A constructor function to initialize the data members
Q12 Define a class Stock with the following specifications Private members Itemno integer Item Name string Price qty total discount float Compute() -To calculate and return the total Find discount as If qty gt=50 discount=10 on total amount If qtylt50 discount = nil Public members Getit() -to enter the data members Showit() -to show the data member A constructor function to initialize the dataQ13Define a class Clothing with the following specification
Private members Code stringType stringSize integerMaterial stringPrice float
Calculate() function which computes the Price as followsFor the value of Material as ldquoCOTTONrdquo
Type Price (Rs)TROUSER 1500SHIRT 1200
Public members Constructor to initialize the values as 0 to Size amp Price and NULL to
Code type and Material ReadData() function which accepts the data values and invoke the function Calculate() DisplayData() function which prints the data on the screen
Q14Define a class Housing with the following specificationPrivate members Name 20 Characters
Type CharacterCost floatReg_no integer(range 10-1000)
Public members ReadData() function to read an object of Housing type
DisplayData() function which prints the details of an objectFunction Draw_nos() to chose and display the details of two houses selected randomly from an array of ten objects of type Housing Use random function to generate the registration numbers to match with Reg_no from the array
Summer Vacation Holiday Homework (2016-17)Class XII
Informatics Practices (065) Chapter 1 2 and Project Work
Mrs Namrata Shah
PGT(Computer Science)
Q1 Answer the following questions
(b) A school would like to go in for network of all the computers Which topology would
you suggest and why
(c) Name these
(i)It is a software package that allows people to send electronic mail along a network
of computers and workstation
(ii)It is a network topology in which there are bi-directional links between each
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Find output of the following programs 23 Marks(1) include ltiostreamhgt struct GAME int Score Bonus void Play(GAME ampg int N=10) gScore++gBonus+=N void main() GAME G=11050 Play(G10) coutltltGScoreltltltltGBonusltltendl Play(G) coutltltGScoreltltltltGBonusltltendl Play(G15) coutltltGScoreltltltltGBonusltltendl
(2) include ltiostreamhgt void Secret(char Str[ ]) for (int L=0Str[L]=0L++) for (int C=0CltL2C++) if (Str[C]==A || Str[C]==E) Str[C]= else char Temp=Str[C] Str[C]=Str[L-C-1] Str[L-C-1]=Temp void main() char Message[ ]=ArabSagar Secret(Message) coutltltMessageltltendl
(3) In the following program if the value of Guess entered by the user is 65 what will be the expected output(s) from the following options (i) (ii) (iii) and (iv) include ltiostreamhgt include ltstdlibhgt void main() int Guess
(4) void swap(char ampc1char ampc2) char temp temp=c1 c1=c2 c2=temp void update(char str) int kjl1l2 l1 = (strlen(str)+1)2 l2=strlen(str)
randomize() cingtgtGuess for (int I=1Ilt=4I++) New=Guess+random(I) coutltlt(char)New (i) ABBC (ii) ACBA (iii) BCDA (iv) CABD7
for(k=0j=l1-1kltjk++jndash) if(islower(str[k])) swap(str[k]str[j]) for(k=l1j=l2-1kltjk++jndash) if(isupper(str[k])) swap(str[k]str[j]) void main() chardata[100]=ldquogOoDLUckrdquo coutltltrdquoOriginalDataldquoltltdataltltendl update(data) coutltltrdquoUpdatedDataldquoltltdata
(5) void main ( ) (6) void SwitchOver(int A [ ] int N int Split)
int Queen Moves [ ] = 11 22 33 44 Queen = Moves Moves [2] + = 22 coutltlt ldquoQueen rdquoltltQueenltltend1 Queen ndash = 11 Queen + = 2 coutltlt ldquoNow rdquoltltQueenltltendl Queen++ coutltlt ldquoFinallyrdquoltltQueenlaquoendl coutltlt ldquoNew Origin rdquoltltMoves[0]ltltend1
for (int K=0 KltN K++) if (KltSplit) A(K]+ =K else A [K]=K void Display (int A [ ] int N) for (int K=0 KltN K++) (K2==0) coutltltA[K]ltltrdquordquocoutltltA(K]ltltendl
void main ( )int H[ ]= 30405020105 SwitchOver (H 6 3) Display (H 6)
(7) Go through the C++ code shown below and find out the possible output or outputs from the suggested Output Options (i) to (iv) Also write the minimum and maximum values which can be assigned to the variable MyNum
include void main ( ) randomize ( ) int MyNum Max=5 MyNum = 20 + random (Max) for (int N=MyNum Nlt=25N++) coutltNltrdquordquo
(i) 202122232425 (ii) 22232425 (iii) 2324 (iv) 2122232425
(8) int A[][4] = 11213243 20304050 for (int i = 1 ilt2 i++) for (int j = 0 jlt4 j++) coutltltA[i][j]ltltrdquonrdquo
(9) int a = 5 void demo(int x int y int ampz) a += x+y z = a+y y += x coutltltxltltrsquoltltyltltrsquoltltzltltendl void main() int a = 3 b = 4 demo(aab) demo(aab)
(10) In the following C++ program what will the maximum and minimum value of r generated with the help of random function
include voidmain() int r randomize() r=random(20)+random(2)
coutltltr
2 3 MARKS QUESTIONSQ1What is an abstract class How is it different from a concrete class
Q2 What is OO Paradigm How is it different from Procedural Programming Paradigm
Q3 What is polymorphism Give an example in C++ to show how it is implemented in C++
Q4 What is function overloading Give an example in C++ to show how it is implemented in C+
+
Q5 Which functions in classes in C++ are inline by default What is the significance of these
functions
Q6What happens if no constructor is provided by the user in a class
Q7 When is memory allocated to a constructor
Q8 Reusability of classes is one of the major properties of OOP How is it implemented in C++
Q9 Consider a class Item with the following specifications
class Item private int Ino char IName[25] float Price public Item() f1 Item (int nchar nm[25]float rate) f2 Item(Item ampobj) f3 a) Write function definitions of all the member functionsb) Name the feature of OOP implemented in the class abovec) Write the constructor invocation statement for the above functions
Q10 CONSIDER a class Candidate with the following specifications Class Result Private int Cno char Name[20] int mks Public Candidate() f1 Candidate(int Cnchar nm[20]int marks) f2 ~ Candidate( ) f3 a) What are the member functions f1f3 called in C++b) Write the definitions of all functions
c) Create an object for f1 and f2 to invoke them
4 MARKS QUESTIONSQ11 Define a class hotel with the following specifications Private members Roomno integer Name string Charges_day float No_of_days integer Compute() -To calculate and return the total charges as charges_day No_of_days Public members Getit ( ) -to enter the data members Showit( ) to show the data member A constructor function to initialize the data members
Q12 Define a class Stock with the following specifications Private members Itemno integer Item Name string Price qty total discount float Compute() -To calculate and return the total Find discount as If qty gt=50 discount=10 on total amount If qtylt50 discount = nil Public members Getit() -to enter the data members Showit() -to show the data member A constructor function to initialize the dataQ13Define a class Clothing with the following specification
Private members Code stringType stringSize integerMaterial stringPrice float
Calculate() function which computes the Price as followsFor the value of Material as ldquoCOTTONrdquo
Type Price (Rs)TROUSER 1500SHIRT 1200
Public members Constructor to initialize the values as 0 to Size amp Price and NULL to
Code type and Material ReadData() function which accepts the data values and invoke the function Calculate() DisplayData() function which prints the data on the screen
Q14Define a class Housing with the following specificationPrivate members Name 20 Characters
Type CharacterCost floatReg_no integer(range 10-1000)
Public members ReadData() function to read an object of Housing type
DisplayData() function which prints the details of an objectFunction Draw_nos() to chose and display the details of two houses selected randomly from an array of ten objects of type Housing Use random function to generate the registration numbers to match with Reg_no from the array
Summer Vacation Holiday Homework (2016-17)Class XII
Informatics Practices (065) Chapter 1 2 and Project Work
Mrs Namrata Shah
PGT(Computer Science)
Q1 Answer the following questions
(b) A school would like to go in for network of all the computers Which topology would
you suggest and why
(c) Name these
(i)It is a software package that allows people to send electronic mail along a network
of computers and workstation
(ii)It is a network topology in which there are bi-directional links between each
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
int Queen Moves [ ] = 11 22 33 44 Queen = Moves Moves [2] + = 22 coutltlt ldquoQueen rdquoltltQueenltltend1 Queen ndash = 11 Queen + = 2 coutltlt ldquoNow rdquoltltQueenltltendl Queen++ coutltlt ldquoFinallyrdquoltltQueenlaquoendl coutltlt ldquoNew Origin rdquoltltMoves[0]ltltend1
for (int K=0 KltN K++) if (KltSplit) A(K]+ =K else A [K]=K void Display (int A [ ] int N) for (int K=0 KltN K++) (K2==0) coutltltA[K]ltltrdquordquocoutltltA(K]ltltendl
void main ( )int H[ ]= 30405020105 SwitchOver (H 6 3) Display (H 6)
(7) Go through the C++ code shown below and find out the possible output or outputs from the suggested Output Options (i) to (iv) Also write the minimum and maximum values which can be assigned to the variable MyNum
include void main ( ) randomize ( ) int MyNum Max=5 MyNum = 20 + random (Max) for (int N=MyNum Nlt=25N++) coutltNltrdquordquo
(i) 202122232425 (ii) 22232425 (iii) 2324 (iv) 2122232425
(8) int A[][4] = 11213243 20304050 for (int i = 1 ilt2 i++) for (int j = 0 jlt4 j++) coutltltA[i][j]ltltrdquonrdquo
(9) int a = 5 void demo(int x int y int ampz) a += x+y z = a+y y += x coutltltxltltrsquoltltyltltrsquoltltzltltendl void main() int a = 3 b = 4 demo(aab) demo(aab)
(10) In the following C++ program what will the maximum and minimum value of r generated with the help of random function
include voidmain() int r randomize() r=random(20)+random(2)
coutltltr
2 3 MARKS QUESTIONSQ1What is an abstract class How is it different from a concrete class
Q2 What is OO Paradigm How is it different from Procedural Programming Paradigm
Q3 What is polymorphism Give an example in C++ to show how it is implemented in C++
Q4 What is function overloading Give an example in C++ to show how it is implemented in C+
+
Q5 Which functions in classes in C++ are inline by default What is the significance of these
functions
Q6What happens if no constructor is provided by the user in a class
Q7 When is memory allocated to a constructor
Q8 Reusability of classes is one of the major properties of OOP How is it implemented in C++
Q9 Consider a class Item with the following specifications
class Item private int Ino char IName[25] float Price public Item() f1 Item (int nchar nm[25]float rate) f2 Item(Item ampobj) f3 a) Write function definitions of all the member functionsb) Name the feature of OOP implemented in the class abovec) Write the constructor invocation statement for the above functions
Q10 CONSIDER a class Candidate with the following specifications Class Result Private int Cno char Name[20] int mks Public Candidate() f1 Candidate(int Cnchar nm[20]int marks) f2 ~ Candidate( ) f3 a) What are the member functions f1f3 called in C++b) Write the definitions of all functions
c) Create an object for f1 and f2 to invoke them
4 MARKS QUESTIONSQ11 Define a class hotel with the following specifications Private members Roomno integer Name string Charges_day float No_of_days integer Compute() -To calculate and return the total charges as charges_day No_of_days Public members Getit ( ) -to enter the data members Showit( ) to show the data member A constructor function to initialize the data members
Q12 Define a class Stock with the following specifications Private members Itemno integer Item Name string Price qty total discount float Compute() -To calculate and return the total Find discount as If qty gt=50 discount=10 on total amount If qtylt50 discount = nil Public members Getit() -to enter the data members Showit() -to show the data member A constructor function to initialize the dataQ13Define a class Clothing with the following specification
Private members Code stringType stringSize integerMaterial stringPrice float
Calculate() function which computes the Price as followsFor the value of Material as ldquoCOTTONrdquo
Type Price (Rs)TROUSER 1500SHIRT 1200
Public members Constructor to initialize the values as 0 to Size amp Price and NULL to
Code type and Material ReadData() function which accepts the data values and invoke the function Calculate() DisplayData() function which prints the data on the screen
Q14Define a class Housing with the following specificationPrivate members Name 20 Characters
Type CharacterCost floatReg_no integer(range 10-1000)
Public members ReadData() function to read an object of Housing type
DisplayData() function which prints the details of an objectFunction Draw_nos() to chose and display the details of two houses selected randomly from an array of ten objects of type Housing Use random function to generate the registration numbers to match with Reg_no from the array
Summer Vacation Holiday Homework (2016-17)Class XII
Informatics Practices (065) Chapter 1 2 and Project Work
Mrs Namrata Shah
PGT(Computer Science)
Q1 Answer the following questions
(b) A school would like to go in for network of all the computers Which topology would
you suggest and why
(c) Name these
(i)It is a software package that allows people to send electronic mail along a network
of computers and workstation
(ii)It is a network topology in which there are bi-directional links between each
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
coutltltr
2 3 MARKS QUESTIONSQ1What is an abstract class How is it different from a concrete class
Q2 What is OO Paradigm How is it different from Procedural Programming Paradigm
Q3 What is polymorphism Give an example in C++ to show how it is implemented in C++
Q4 What is function overloading Give an example in C++ to show how it is implemented in C+
+
Q5 Which functions in classes in C++ are inline by default What is the significance of these
functions
Q6What happens if no constructor is provided by the user in a class
Q7 When is memory allocated to a constructor
Q8 Reusability of classes is one of the major properties of OOP How is it implemented in C++
Q9 Consider a class Item with the following specifications
class Item private int Ino char IName[25] float Price public Item() f1 Item (int nchar nm[25]float rate) f2 Item(Item ampobj) f3 a) Write function definitions of all the member functionsb) Name the feature of OOP implemented in the class abovec) Write the constructor invocation statement for the above functions
Q10 CONSIDER a class Candidate with the following specifications Class Result Private int Cno char Name[20] int mks Public Candidate() f1 Candidate(int Cnchar nm[20]int marks) f2 ~ Candidate( ) f3 a) What are the member functions f1f3 called in C++b) Write the definitions of all functions
c) Create an object for f1 and f2 to invoke them
4 MARKS QUESTIONSQ11 Define a class hotel with the following specifications Private members Roomno integer Name string Charges_day float No_of_days integer Compute() -To calculate and return the total charges as charges_day No_of_days Public members Getit ( ) -to enter the data members Showit( ) to show the data member A constructor function to initialize the data members
Q12 Define a class Stock with the following specifications Private members Itemno integer Item Name string Price qty total discount float Compute() -To calculate and return the total Find discount as If qty gt=50 discount=10 on total amount If qtylt50 discount = nil Public members Getit() -to enter the data members Showit() -to show the data member A constructor function to initialize the dataQ13Define a class Clothing with the following specification
Private members Code stringType stringSize integerMaterial stringPrice float
Calculate() function which computes the Price as followsFor the value of Material as ldquoCOTTONrdquo
Type Price (Rs)TROUSER 1500SHIRT 1200
Public members Constructor to initialize the values as 0 to Size amp Price and NULL to
Code type and Material ReadData() function which accepts the data values and invoke the function Calculate() DisplayData() function which prints the data on the screen
Q14Define a class Housing with the following specificationPrivate members Name 20 Characters
Type CharacterCost floatReg_no integer(range 10-1000)
Public members ReadData() function to read an object of Housing type
DisplayData() function which prints the details of an objectFunction Draw_nos() to chose and display the details of two houses selected randomly from an array of ten objects of type Housing Use random function to generate the registration numbers to match with Reg_no from the array
Summer Vacation Holiday Homework (2016-17)Class XII
Informatics Practices (065) Chapter 1 2 and Project Work
Mrs Namrata Shah
PGT(Computer Science)
Q1 Answer the following questions
(b) A school would like to go in for network of all the computers Which topology would
you suggest and why
(c) Name these
(i)It is a software package that allows people to send electronic mail along a network
of computers and workstation
(ii)It is a network topology in which there are bi-directional links between each
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
c) Create an object for f1 and f2 to invoke them
4 MARKS QUESTIONSQ11 Define a class hotel with the following specifications Private members Roomno integer Name string Charges_day float No_of_days integer Compute() -To calculate and return the total charges as charges_day No_of_days Public members Getit ( ) -to enter the data members Showit( ) to show the data member A constructor function to initialize the data members
Q12 Define a class Stock with the following specifications Private members Itemno integer Item Name string Price qty total discount float Compute() -To calculate and return the total Find discount as If qty gt=50 discount=10 on total amount If qtylt50 discount = nil Public members Getit() -to enter the data members Showit() -to show the data member A constructor function to initialize the dataQ13Define a class Clothing with the following specification
Private members Code stringType stringSize integerMaterial stringPrice float
Calculate() function which computes the Price as followsFor the value of Material as ldquoCOTTONrdquo
Type Price (Rs)TROUSER 1500SHIRT 1200
Public members Constructor to initialize the values as 0 to Size amp Price and NULL to
Code type and Material ReadData() function which accepts the data values and invoke the function Calculate() DisplayData() function which prints the data on the screen
Q14Define a class Housing with the following specificationPrivate members Name 20 Characters
Type CharacterCost floatReg_no integer(range 10-1000)
Public members ReadData() function to read an object of Housing type
DisplayData() function which prints the details of an objectFunction Draw_nos() to chose and display the details of two houses selected randomly from an array of ten objects of type Housing Use random function to generate the registration numbers to match with Reg_no from the array
Summer Vacation Holiday Homework (2016-17)Class XII
Informatics Practices (065) Chapter 1 2 and Project Work
Mrs Namrata Shah
PGT(Computer Science)
Q1 Answer the following questions
(b) A school would like to go in for network of all the computers Which topology would
you suggest and why
(c) Name these
(i)It is a software package that allows people to send electronic mail along a network
of computers and workstation
(ii)It is a network topology in which there are bi-directional links between each
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Q14Define a class Housing with the following specificationPrivate members Name 20 Characters
Type CharacterCost floatReg_no integer(range 10-1000)
Public members ReadData() function to read an object of Housing type
DisplayData() function which prints the details of an objectFunction Draw_nos() to chose and display the details of two houses selected randomly from an array of ten objects of type Housing Use random function to generate the registration numbers to match with Reg_no from the array
Summer Vacation Holiday Homework (2016-17)Class XII
Informatics Practices (065) Chapter 1 2 and Project Work
Mrs Namrata Shah
PGT(Computer Science)
Q1 Answer the following questions
(b) A school would like to go in for network of all the computers Which topology would
you suggest and why
(c) Name these
(i)It is a software package that allows people to send electronic mail along a network
of computers and workstation
(ii)It is a network topology in which there are bi-directional links between each
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
possible node
(d) Write two advantages and two disadvantages of the following network topologies
(i)Star (ii) Tree
(e) Compare and Contrast Free software and Open Source software
(f) What are the different ways that help you to type the Indian script on a computer
(h) For what are these software used
(i)Linux (ii) PHP
Q2 Answer the following questions
1 Raghav is using software which has been downloaded from internet and is available for one
month After one month he has to pay the license fee for further use What software is Raghav
using
2 Which protocol is used for the transfer of Hyper Text documents on the internet
3 Arrange the following communication channels in ascending order of their data transmission
rates
ETHERNET CABLE OPTICAL FIBER TELEPHONE CABLE COAXIAL CABLE
4 What do you understand by Network Topology Name the most popular topologies
Q3 Answer the following questions
(a) Which protocol is used for the transfer of hypertext document on the Internet
(b) Which transmission medium should be used to transfer data across two continents at very
high speed (c) Two doctors in the same room have connected their palm tops using
Bluetooth for working on a group presentation Out of the following what kind of network have
they formed LANWANMANPAN
(d) Which of the following software are Open Source
Linux MS Windows 7 PhotoShop MySQL
(e) Distinguish between Open Source Software and Proprietary Software with reference to
customizability of the software
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
(f) Name any four Indian Scripts included in Unicode
(g) Mamta says that the following numbers indicate an address
20877188166
What is the above address called To which object device is it assigned
Q4 Answer the following questions
(i) Differentiate between a Hub and a Switch
(ii) Expand the following terms
a) OSS
b) ODF
c) TCPIP
d) FSF
(iii) What do you mean by Denial of Service attacks
(vi) Give an example of MAC and IP address
Q5 Answer the following questions
a) Mr Abhinav wants to implement a network using less cable length and the data should be transmitted in
one direction only Name the topology and direction of data transmission
b) Explain the uses of the following devices in networking-
i) Switch ii) Repeater
c) What do you mean by Communication Channel Name any two
d) Ms Kiran has downloaded software from the internet It can be distributed and freely used by any one
The source code is not available Name the software downloaded by her
e) Write any two preventive measures for network security
f) Write any two advantages of lsquoopen standardrsquo
g) Differentiate between Phonetic Text Entry and Key map based Entry of Indian language text
Q 6 Answer the following questions
(a) An organization is planning to link its sale counters situated in various parts of
the
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
same city Which type of network out of LAN MAN or WAN will be formed
Justify your answer
(b) What are the various physical media used for data transmission in a network
system
Arrange them according to their data transmission speed
(c) Write the names of different topologies
(d) Write short notes on
GNU amp FSF
Proprietary amp Shareware Software
Unicode
Project Work Based on e-learning e-governance or e-businessSample Project Student Information System Shopping Mall Banking Payroll Digital
Contact Diary
Hotel Reservation System Airways Booking System Railways System etchellip
Data Collection and analysis
Choose any system as your project for XII (a batch of two maximum)
Collect data about the project (bills reports admission forms etc)
Analyse the design screen and validations of forms (to clear disable the components
check for negative values check for blanks etc)
System Development (Coding)
Design the First Screen ndash with related picture title with an impressive font and an Enter
button
Second Screen ndash as a Login Screen
Other Screens related to your project including ADD DELETE MODIFY and
SEARCH
Note Submit the project in a CD
Your Project should cover the following specifications
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Project Title(name of the project roll no class)
Acknowledgement
Certificate
Introduction to project
Software and hardware required ( including Operating system )
Bibliography
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
SUMMER HOLIDAYS HOMEWORKndashACCOUNTANCY (055) CLASS- XII-B
(MRS SATYAVRAT)(PGT COMMERCE)
COMPREHENSIVE PROJECT1 Framing a case study involving a minimum of twenty
transactions with few adjustments in a sole-proprietor or partnership business
2 Recording of all monetary transactions in the books of original entry-journals
3 Posting the transactions in the principal book of accounts-ledgers
4 Forming the statement of closing balances of all the accounts- trial balance
5 Formation of final accounts- Trading AC PampL AC PampL Appropriation (if required) Balance Sheet
SUMMER HOLIDAYS HOMEWORKndashBUSINESS STUDIES (054)
CLASS- XII-B(MRS SATYAVRAT)(PGT COMMERCE)
PROJECT ON APPLICATION OF PRINCIPLES OF MANAGEMENT IN THE MODERN-DAY ORGANISATIONS
1 Selection of a place to visit for analyzing the applicability of various management principles (A departmental store an industrial unit a fast food outlet any other)
2 Giving a brief biography of the management thinker whose principles are to be observed (FW Taylor Henri Fayol)
3 Giving brief description of each principle of the thinker with appropriate examples 4 Giving a brief history of the organization that has been visited for observation of principles
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
5 Interview with the manager and with the employees of the concerned organization 6 Formation of an analysis table on the basis of the questionnaire that has been framed to check the applicability of the principles 7 Bibliography
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
गरीषमावकाश का गह कारय (ककषा 12-हिहनदी)PGT-HINDI
हिबध लख -१ यवा पीढ़ी और दश का भकिवषय
२ समाचार पतर की उपयोकि-ता
३ आतकवाद की समसया
४ आ5किनक भारत की नारी
५ मोबाइ13 किबना सब सना
पतर लख -१ आपक कसब म लिचकिकतसा की परारथीधिमक सकिव5ाओ क अभाव की ओर धयान दिद13ात हए
दकिनक समाचार पतर क सपादक क नाम पतर लि13खिखए|
२ एक सड़क को चौड़ा करन बहान आवशयकता स अधि5क पड़ काट -य ह इसकी जानकारी
दत हए वन-पया0वररण किवभा- को पतर लि13खिखए|
३ बाढ़ उतर जान क बाद तट पर बसी बसतिसतयो म अनक रो- फ13न 13- ह सवासथय
अधि5कारी को इसका समा5ान सझात हए पतर लि13खिखए|
फीचर लख -१ महान-रो म परदरषारण की समसया २ करषाको म किनरतर बढती किन50नता ३ एक13 परिरवारो म बजg-h की सथिjकित४ शहरो म नौकरो की दशा
हिवषरय अधरयाहिपका
शरीमती सोल शमा
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Summer holiday home workCLASS XII (BIOLOGY) Mrs Prachi Patel
Pgt-Bio
QUESTION 1 Worksheet 1 The general chemical formula of carbohydrate is
a (CH2O)nb (CH2O)2nc (CHO)nd CnH2nO
2 Which of the following is an aldotriosea Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
3 What is the molecular formula of sucrosea C12H22O11b C10H20O10c C6H12O6d C12H20O11
4 The glycosidic linkage between glucose molecule in maltose isa β 1 ndash 4b α 1 ndash 2c α 1 ndash 4d β 1 ndash 2
5 A keto pentose will have _____ sterioisomersa 4b 6c 8d 10
6 The reserve food material of green algae isa Laminarinb Chrysolaminarinc Floridian starchd Starch
7 The only carbohydrate which is not having any chiral carbon atom isa Glyceraldehydeb Erythrosec Dihydroxyacetoned Erythrulose
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
8 Select the odd one from the following
a Arabinoseb Xylosec Lyxosed Erythrose
9 A pentose sugar reported to be present in heart cellsa Xyloseb Arabinosec Lyxosed Xylulose
10 Which of the following is an epimeric paira D-glucose and D-mannoseb D-glucose and D-galactosec D-glucose and L-glucosed Both A and B
11 Select the odd one from the followinga Xyluloseb Dihydroxyacetonec Glyceraldehyded Ribulose
12 Which of the following sugar give a positive result with Seliwanoff testa Sucroseb Glucosec Galactosed Mannose
13 Which of the following is a ketotetrosea Erythruloseb Xylulosec Sorbosed Psicose
14 The glycosidic linkage between two glucose molecules in isomaltose isa α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
15 Which of the following is an alpha lactonea Vit Cb Vit Dc Vit Ad Vit K
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
16 A sweetener used in sugar less gums and candies
a Ribitolb Xylitolc Inositold Mannitol
17 The glycosidic linkage in cellobiose is
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 6d β 1 ndash 6
18 Pick out the odd one from the following
a Deoxyriboseb Rhamnosec Fucosed Altrose
19 Lectins are_________
a Sugars specific to proteinsb Proteins specific to sugarsc Enzymes specific to carbohydratesd Carbohydrates specific to enzymes
20 Which of the following is a keto triose
a Dihydroxyacetoneb Glyceraldehydec Ribulosed Erythrose
21 Maltose is a disaccharide of ____
a Glucose and galactoseb Glucose and glucosec Glucose and lactosed Fructose and lactose
22 Glycosidic bond in sucrose is____
a α 1 ndash 4b β 1 ndash 4c α 1 ndash 2d β 1 ndash 2
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
23 Minimum number of carbon required for a ketose sugar to have cyclic structure isa 3b 4c 5d 6
24 An aldo hexose will have _____ stereoisomersa 8b 10c 14d 16
25 Minimum number of carbon required for a monosaccharidea 1b 2c 3d 4
1 Why do generally oils remain in liquid state even in winters 2 Name an element found in proteins but not in lipids and carbohydrates3 What is the difference between RNA and DNA in terms of nitrogenous base 4 What does an enzyme do in terms of energy requirement of a reaction 5 What is the function of ATP in cell metabolism 6 Name the protein which form the intercellular ground substance7 Why are aminoacids also known as substituted methane 8 Amino acids exist as zwitter ions Give its structure Why is it formed 9 Why do starch give blue black colour with iodine 10 Why are starch and glycogen more suitable than glucose as a storage product11 What would happed when salivary amylase which acts on starch in mouth enter stomach 12 Explain the structure of proteins13 (a) What is an enzyme (b) Give an example of co-enzyme(c) Distinguish between apoenzyme and co-enzyme14 Explain Watson-Crick model on DNA structure15 Explain peptide bond glycosidic bond and phophodiester bond16 Explain competitive inhibition along with an example17 List the 6 classes of enzymes alongwith their functions
Question INVESTIGATORY project on respective topics given to students
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
MATHEMATICS HOLIDAY HOMEWORK (2016-17)CLASS-XII
Mrs SUMATI KAUSHIKPGT-MATHS
Revise the topics given below and then attempt the set of questions based on them TOPIC RELATIONS FUNCTIONS amp INVERSE TRIGONOMETRIC FUNCTIONS
1 Find fg for f(x) = ex g(x) = log x2 Show that f R R defined by f (x) = [ x ] is neither one-one nor onto
3 Show that the function f in A=R-23 defined as f(x)=
4 x+36 xminus4
is one-one
and onto Hence find its inverse4 Consider fR+[-9infin]given by f(x)=5x2+6x-9 Prove that f is invertible with
inverse radic54+5 yminus3
5 5 Show that the function f R R given by f(x) = 3x ndash 4 is a bijective function
and find its inverse
6 Let fRR defined by f(x) = 2x ndash 3 and g RR defined by g(x) = x+3
2 Show that fg = IR = gf
7 Find if the binary operation given by a b = a+b
2 in the set of real numbers is commutative associative find the identity element and inverse if it exits
8 Let R0 denote the set of all non-zero real numbers and let A = R0 x R0 If is a binary operation on A defined by (ab) (cd) = (ac bd) for all (ab) (cd) A a) Show that is both commutative and associative on A b) Find the identity element in A c) Find the invertible element in A
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
9 Determine whether the relation R defined on the set R of all real numbers
as R= (ab)abR and a-b+radic3Swhere S is set of all irrational numbersis reflexivesymmetric and transitive
10Let N denotes the set of naturals no and R be the relation on NXN defined by
(ab)R(cd) if ad(b+c)=bc(a+d)Show that R is an equivalence relation
11 For = sinminus1 ( 1
radic2 ) find the value of 12Find the Principal value of tan-1 (radic3 )13(i)Evaluate sin(cot-1x)
(ii) Evaluate tan2tan-115+ π 4
(iii)Evaluate cos(tan-1
34
)14Express in simplest form sin-1[3x ndash 4x3]15Prove (i)tanminus1( xminus1 )+ tanminus1 x+ tanminus1( x+1)= tanminus1 [ 3 x ]
(ii)
tanminus1( 6 xminus8 x3
1minus12 x2 )+ tanminus1 ( 4 x1minus4 x2 )= tan-1(2x ) |2x|lt 1
radic3
16Prove tanminus1( 1minusx2
2x )+ tanminus1 ( 2 x1minusx2 )=π2
17Solve for x(i) tanminus1[ x+1
xminus1 ]+ tanminus1 [ xminus1x ]= tanminus1 (minus7 )
(ii)tan-1(x+1)+tan-1(x-
1)=tan-1831
18Prove that tanminus1radic1+cos x+radic1minuscos x
radic1+cos xminusradic1minuscos x = π4 + x20ltxlt π
2
19 If sin [cot-1(x+1)]=cos(tan-1x)then find x20If (tan-1x)2+(cot-1x)2=5π 28 then find x
TOPIC MATRICES
Q1 If A =[4 32 1] and B = [2 4
5 1] verify (AB)minus1 = B minus1Aminus1
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Q2 Split matrix [3 1 12 3 41 0 1 ] in two matrices one of which is symmetric and the other
is skew ndash symmetric
Q3 If A = [ 3 1minus1 2] verify A
2iquestiquest - 5A + 7I = 0 hence find Aminus1
Q4 (i)Find the inverse of A = [2 3 11 4 12 1 0] using elementary row transformations
(ii)Using elementary column transformations find the inverse of the following matrices
(i) [ 3 minus1minus4 2 ] (ii)[ 6 minus3
minus2 1 ]Q5 If A = [minus2 3
1 2] B = [minus1 01 2 ] find (A +2B)
Q6 If A = [ 3 4minus1 20 1] and B = [minus1 2 1
1 2 3] then verify that
(i) (A + B) = A + B (ii) (A ndash B) = A - B
Q7If A= [3 17 5 ]find x and y such that A2+xI= yA Hence find inverse of A
Q8 Let A= [minus1 minus41 3 ] Prove by mathematical induction that An=[1minus2n minus4n
n 1+2n]Q9 A typists charges Rs 145 for typing 10 English and 3 Hindi pages while charges for typing 3 English and 10 Hindi pages are Rs180 Using matrices find the charges of typing one English and one Hindi page separately However typist charged only Rs 2 per page from a poor student Shyam for 5 Hindi pages How much less was charged from this poor boy
Q 10 There are 2 families A and B There are 4 men 6 women and 2 children in a family A and 2 men 2 women and 4 children in family B The recommended daily amount of calories is 2400 for men 1900 for women1800 for children and 45 grams of proteins for men55 grams for women and 33 grams for children
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Represent the above information using matrices Using matrix multiplication calculate the total requirement of calories and proteins for each of 2 families What awareness can you create among people about the balanced diet from this question
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
SUMMER VACATION HOLIDAYS HOME WORK 2016-17(SUBJECT CHEMISTRY CLASS XII )
SOLID STATE1 Why glass is regarded as an amorphous solid 2 How much space is empty in a hexagonal closed packed
solid3 If the formula of a compound is A2B which sites would be occupied by A ions4 What is the coordination number for (a) an octahedral void (b) a tetrahedral void 5 Arrange simple cubic bcc and fcc lattice in decreasing order of the fraction of the unoccupied space 6 In NaCl crystal Clndash ions form the cubic close packing What sites are occupied by Na+ ions7 In Corundum O2ndash ions from hcp and Al3+ occupy two third of octahedral voids Determine the formula of
corundum 8 Molybednum has atomic mass 96 g molndash1 with density 103 gcm3 The edge length of unit cell is 314 pm
Determine lattice structure whether simple cubic bcc or fcc9 The density of copper metal is 895 g cmndash3 If the radius of copper atom is 127 pm is the copper unit cell a
simple cubic a body-centred cubic or a face centred cubic structure(Given at mass of Cu = 6354 g mol ndash
1) 10 List four distinctions between crystalline and amorphous solids with one example of each11 What is packing efficiency Calculate the packing efficiency in body-centered cubic crystal12 A compound made up of elements lsquoArsquo and lsquoBrsquo crystallises in a CCP structure Atoms A present on the
corners as well as face centres whereas atoms B present on the edge-centres as well as body centre What is the formula of the compd
13 Tungsten crystallizes in BCC unit cell If the edge of the unit cell is 3165pm calculate the radius of tungsten atom
14 Iron has a BCC unit cell with a cell dimension of 28665 pm The density of iron is 7874 g cm ndash3 calculate Arogadro no
15 In a crystalline solid anions lsquoCrsquo are arranged in cubic close packing cations lsquoArsquo occupy 50 of tetrahedral voids and cations lsquoBrsquo occupy 50 of octahedral voids What is the formula of the solid
SOLUTIONQ1 Define Henryrsquos Law Write the limitations and application of Henryrsquos Law Q2 What is Vant Hoff factor What is the Vant Hoff factor in K4[Fe(CN)6] and BaCl2 Q3
Define azeotrope give an example of maximum boiling azeotrope Q4 Why the molecular mass becomes abnormal
Q5 What role does the molecular interaction play in the solution of alcohol and water Q6 Define reverse osmosis write its one use
Q7 Why the boiling point of solution is higher than pure liquid Q8 Out of 1M and 1m aqueous solution which is more concentrated Q9 How many grams of KCl should be added to 1kg of water to lower its freezing point to 800‐
oC (kf = 186 K kg mol) Q10 what do you mean by colligative propertieswhich colligative property is used to determine
mm of polymer amp why
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Q11 An aqueous solution of 2 non volatile‐ exerts a pressure of 1004 Bar at the normal boiling point of the solvent What is the molar mass of the solute
Q12 Why is it advised to add ethylene glycol to water in a car radiator in hill station Q13 what do you mean by hypertonic solution what happens when RBC is kept in 091 solution of
sodium chlorideQ 14 (a) define the following terms 1 Mole fraction 2 Ideal solutions (b)15 g of an unknown molecular material is dissolved in 450 g of water The resulting solution Freeze at ‐
034 0c what is the molar mass of material (Kf for water= 186 K Kg mol 1‐ )Q 15 2 g of benzoic acid (C6H5COOH) dissolved in 25 g of benzene shows a depression in freezing point equ
al to 162 K Kf for benzene is 49 K Kg mol 1‐ What is the percentage association of acid if it forms dimer in solution
Q16 Osmotic pressure of a 00103 molar solution of an electrolite is found to be 070 atm at 270c calculate Vant Hoff factor( R=0082 L atom mol 1‐ K 1‐ ) ELECTROCHEMISTRY
1What is the unit of molar conductivity 2What is the EMF of the cell when the cell rean attains equilibrium
3The cell potential of mercury cell remains constant during its life time Why4 How do you conductivity and molar conductivity vary with concentration5Why is alternating current used for measuring resistance of an electrolytic solution6 What is fuel cell Give the electrode reaction of hydrogen oxygen fuel cell and advantages of
fuel cell7How will the pH of brine (aq NaCl solution) be affected when it is electrolysed8Represent the cell in which the following reaction takes place
Mg(s) + 2Ag+(00001M) rarr Mg2+(0130M) + 2Ag(s) Calculate its E(cell) if EΘ( cell ) = 317 V9Calculate the equilibrium constant of the reaction
Cu(s) + 2Ag+(aq) rarr Cu2+(aq) + 2Ag(s) E0 ( cell ) = 046 V10The standard electrode potential for Daniell cell is 11V Calculate the standard Gibbs energy
for the reaction Zn(s) + Cu2+(aq) rarr Zn2+(aq) + Cu(s)11Write the chemistry of recharging and discharging of the lead storage battery12 State Kohlrauschrsquos law and give its applications13 state Faradayrsquos first law How much charge is required for the reduction of 1 mol of MnO4- to
Mn+2
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Class 12th- English-Suresh sir
Book Review1)Title 2)Author (Provide important information about the authors
biography in short his works photo of the author)3)Genre of the Book (type of book in which class it can be
classified eg historical novel detective story horror thriller science fiction etc)
4)Number of Pages(a) Quality of Pages
5)Cost of the Book6)Published by7)Edition8)Cover Page (Describe the cover page font illustration)9)Binding(Hard bound soft bound)10) Summary (Summrise the book in your language if the book is
divided into chapters write chapter wise summary in short) 11) Characters (Mention the major characters and write about
each character-their qualities shortfalls connection with protagonist etc)
12) Language (Difficult level)13) Setting (The place-citytowncountry- where the story has
taken place)14) Time (time of the story)15) My Comments (How do you feel after reading the story
convincing realistic amusing thrilling sad etc )a)Recommended for which age group of children b)
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
QUESTIONS OF THE LAST LESSON ASKED IN CBSE1 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2016) 2 Why were the elders of the Village sitting in the classroom
(02) (2013)3 Everybody during the last lesson is filled with regret
Comment (06)(2015)4 How different from usual was the atmosphere at school on the
day of the last lesson (06) (2015)5 How did order from Berlin change the situation in the school
(6) (2015)6 Our native language is part of our culture and we are proud
of it How does the presence of the village elders in the classroom and M Hamelrsquos last lesson show their love for French (06) (2016)
7 How different from usual was the atmosphere at school on the day of the last lesson(2016) (06)
8 What was Franz expected to be prepared with for the school that day (2) 2011
9 What changes did the order from belin cause to the school (02)(2012)
10 What had the narrator counted on to enter the school unnoticed (02) 2012
11 How did Franz react to the declaration that it was their last French lesson
HOME WORK FOR SUMMER VACATION CLASS XII- A
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
SUBJECT PHYSICS20071)Is the force acting between two point electric charges q1 and q2 kept at some distance apart in air attractive or repulsive when (i) q1q2 gt 0 (ii) q1q2 lt0 2) A spherical Gaussian surface encloses a charge of 885 times 10-10C(i) Calculate the electric flux passing through the surface(ii) How would the flux change if the radius of the Gaussian surface is doubled and why3) Define the term dipole moment of an electric dipole indicating its direction Write its SI unitAn electric dipole is placed in a uniform electric field Deduce the expression for the torque acting on it In a particular situation it has its dipole moment aligned with the electric field Is the equilibrium stable or unstable20081) Which orientation of an electric dipole in a uniform electric field would correspond to stable equilibrium2) Two point charges q1 = 10 times 10minus8 C and q2 = minus2 times 10minus8 C are separated by a distance of 60 cm in air(i) Find at what distance from the 1st charge q1 would the electric potential be zero(ii) Also calculate the electrostatic potential energy of the system
3) Two point charges 4Q Q are separated by 1 m in air At what point on the line joining the charges is the electric field intensity zero Also calculate the electrostatic potential energy of the system of charges taking the value of charge Q = 2 times 10minus7 C4) (a) Define electric flux Write its SI unit(b) The electric field components due to a charge inside the cube of side 01 m are as shown
Where α = 500 NC minus mEy = 0 Ez = 0Calculate (i) the flux through the cube and (ii) the charge inside the cube
2009
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
1) (i) Can two equi-potential surfaces intersect each other Give reasons(ii) Two charges minusq and +q are located at points A (0 0 minusa) and B (0 0 +a) respectively How much work is done in moving a test charge from point P (7 0 0) to Q (minus3 0 0)
2) A thin conducting spherical shell of radius R has charge Q spread uniformly over its surface Using Gaussrsquos law derive an expression for an electric field at a point outside the shellDraw a graph of electric field E(r) with distance r from the centre of the shell for 0 le r le infin
2010
1) Figure shows three point charges +2q minusq and + 3q Two charges + 2q and minusq are enclosed within a surface lsquoSrsquo What is the electric flux due to this configuration through the surface lsquoSrsquo
2) In which orientation a dipole placed in a uniform electric field is in (i) stable (ii) unstable equilibrium
3) (a) Depict the equipotential surfaces for a system of two identical positive point charges placed a distance lsquodrsquo apart(b) Deduce the expression for the potential energy of a system of two point charges
q1 and q2brought from infinity to the points and respectively in the presence of external electric field
2011
1) A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 5 V What is the potential at the centre of the sphere
2) Define electric dipole moment Write its SI unit
3) A thin straight infinitely long conducting wire having charge density λ is enclosed by a cylindrical surface of radius r and length l its axis coinciding with the length of the wire Find the expression for the electric flux through the surface of the cylinder
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
2012
1) A charge lsquoqrsquo is placed at the centre of a cube of side l What is the electric flux passing through each face of the cube
2) A test charge lsquoqrsquo is moved without acceleration from A to C along the path from A to B and then from B to C in electric field E as shown in the figure (i) Calculate the potential difference between A and C (ii) At which point (of the two) is the electric potential more and why
3) An electric dipole is held in a uniform electric field(i) Show that the net force acting on it is zero(ii) The dipole is aligned parallel to the field Find the work done in rotating it through the angle of 180deg
4) In a Geiger-Marsden experiment calculate the distance of closest approach to the nucleus of Z = 80 when a -particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction
How will the distance of closest approach be affected when the kinetic energy of the -particle is doubles
2013
1) Charges of magnitudes minus2Q and +Q are located at points (a 0) and (4a 0) respectively What is the electric flux due to these charges through a sphere of radius lsquo3arsquo with its centre at the origin(1)
2) (a) Define electric dipole moment Is it a scalar or a vector Derive the expression for the electric field of a dipole at a point on the equatorial plane of the dipole(b) Draw the equipotential surfaces due to an electric dipole Locate the points where the potential due to the dipole is zero
3) Using Gaussrsquo law deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point(i) Outside and (ii) inside the shellPlot a graph showing variation of electric field as a function of r gt R and r lt R(r being the distance from the centre of the shell) (5)2014
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
1) Two equal balls with equal positive charge q coulombs are suspended by two insulating strings of equal length What would be the effect on the force when a plastic sheet is inserted between the two
2) (a) Deduce the expression for the torque acting on a dipole of dipole moment p in the presence of a uniform electric field E (b) Consider two hollow concentric spheres S1 and S2 enclosing charges 2Q and 4Q respectively as shown in the figure (i) Find out the ratio of the electric flux through them (ii) How will the electric flux through the sphere S1 change if a medium of dielectric constant εr is introduced in the space inside S1 in place of air Deduce the necessary expression
2015
1) State gaussrsquos law in electrostatics Show with the help of a suitable example along with the figure that the outward flux due to a point charge lsquoqrsquo in vacuum within a closed surface is independent of its size or shape and is given by q Єo
2) Tow parallel uniformly charged infinite plane sheets 1 and 2 have charge densities +σ and -2σ respectively Give the magnitude and direction of the net electric field at a point
(i) In between the two sheets and(ii) Outside near the sheet lsquo1rsquo3) Define electrostatic potential at a point Write its SI unit
Three point charges q1 q2 and q3 are kept respectively at points A B and C as shown in the figure Derive the expression for the electrostatic potential energy of the system
A
r12 r13
B r12 r12 r12 C
r23
Depict the equipotential surfaces due to(i) an electric dipole (ii) two identical positive charges separated by a distance
IMP Q
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
How many electronic charges from one coulomb of charge How many electrons should be removed from a coin of mass 16 g so that it may just float in an
electric field of intensity 10 9NC directed upward( n = 98 times10 7) Calculate the voltage needed to balance an oil drop carrying 10 electrons when located between
the plates of a capacitor which are 5 mm apart The mass of oil drop is 3times10-16kg take g 10ms2(v= 9375)
Two point charges q1 = 02C and q2= +04 C are placed 01 m apart calculate the electric field at(a) The mid point between the charges(72times10+11NC)
(b) a point on the line joining q1 and q2 such that it is 005m away from q2 and 015m away from q1(152times10+12NC)
Four charges +q +q -q-q are placed respectively at the corners A B C and D of a square of side lsquoarsquo calculate the electric field at the centre of the square
Calculate the number of electric lines of force originating from a charge of 1C(1129 times1011) Can a body have a charge of 08times10-19C Justify your answer by comment(05 no) The electric lines of force tend to contract lengthwise and expand laterally What do they
indicate State the limitations of coulombrsquos law in electrostatics Calculate the Coulomb force between a proton and an electron separated by
08times10-15m A charge of 09 Nano coulomb is present inside a cube Calculate the electric flux linked
with area of the faces of the cube
Two +ve charges of 02 μC and 001 μC are placed 10 cm apart Calculate the work done in reducing the distance to 5 cm
HW NCERT TEXT BOOK EXERCISES AND EXAMPLES (UNIT 1 AND UNIT 2)
Class-10 subject-English
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
1) Write a letter to editor highlighting the issue growing number of overweight children in India
2) Write a story in about 150-200 words begin with the line It was cold night before the zonal debate competition all were sleeping only Radha was preparing for the competitionhelliphellip
3) Write the summary of the Novel (The story of my life up to chapter 1 to 14
सतर - २०१६ - १७ ककषा - दसवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
अधिधनरयास (assignment )i)पद-परिरचय क लि13ए किनमन किवरषायो को लि13खकर समझना ह|
क)सजञा-परकारलि13W-वचनकारकसमबनध|
ख)सव0नाम-परकारलि13W-वचनकारकसमबनध|
-)किवशरषारण- लि13W- किवशषय वचनसमबनध|
घ)किकरया-परकार लि13W-अरथी0का13पररषावचनकारकसमबनध|
च)किकरया-किवशरषारणपरकारकिवशषय किवकारसमबनध|
छ)समचचबो5क-परकारअनविनवकितशबदवाकयाशया वाकय|
ज)सब5सचक-परकारकिवकारसमबनध|
झ)किवसमयाधि5बो5क-परकारसमबनध|
ii)रस की परिरभारषाा एव रसो का जञान
रस क अ-ो (jायीभावकिवभावअनभावसचारीभाव )की जानकारी |
परतयक रस क दो-दो उदाहररण याद करन ह|
उदाहररणो म रस क अ-ो को पहचानन का अभयास करना ह |
२परारयोजा रया परिररयोजा कारय(project work)
1सवाद या वाता013ाप 13खन (कोई दो)
2किकसी एक कहानी का नाटय रपातररण करना तरथीा उस पातरानसार ककषा म परसतत करन की तयारी |
3किकसी पढ़ी कहानी क पातरो का छायालिचतर बनाना|
4एक सवरलिचत ककिवता 13खन काय0 दशय-लिचतर को दखकर उस पर अनचछद लि13खना किकसी यातरा का वरण0न
5एक पसतक समीकषा
MATHEMATICS HOLIDAY HOMEWORK (2016-17) CLASS-X
(A) Prepare a MODEL on the topic how Mathematics is related to our daily life showing its importance and applications in daily life
(B) POWER POINT PRESENTATION
Make an illustrative power point presentation including the following
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
ROLL NO TOPIC
1 ndash 5 Real numbers6-10 Polynomials
11-15 Pair of linear equations in two variables16 ndash 20 Quadratic equations21-25 Arithmetic progressions
26-30 Triangles
31-35 Introduction to trigonometry and its applications
35 ndash 40 Statistics
(C) ASSIGNMENT
Revise the topics given below and then attempt the following problems
TOPIC REAL NUMBERS
Q1 Show that cube of a positive integer is of the form 9m9m+19m+8 for some positive integer m
Q2 Check whether 6n can end with the digit 0 for any natural number n
Q3 If HCF of two numbers is9 and the number are 306657 find the LCM
Q4 Prove that 3 + 2 radic 5 is an irrational number
Q5 State the fundamental theorem of Arithmetic
Q6 Using prime factorization find the HCM and LCM of 72 120 and 6
Also show that HCF x LCM ne product of the three numbersQ7 Express each of the following as the product of its prime factors (a) 140 (b) 3825 (c) 5005Q8 Using Euclidrsquos division algorithm find the HCF of the following (a) 135225 (b) 19638220 (c) 867225Q9Show that every positive even integer is of the form 2q and every positive odd integer is of the form 2q+1 where q is some inegerThe prQ10 Prove that radic 3 is irrational TOPIC POLYNOMIALS
Q1 Divides 2xsup2 + 3x + 1 by x+2 Q2 If α and β are the zeros of a polynomial p(x) = 3xsup2 ndash 5x + 6 find (i) (α β) + ( β α ) (ii) αsup3 + βsup3Q3 Find all the zeroes of the polynomial f (x) = 2x4 ndash 3xsup3 ndash 3xsup2 + 6x ndash 2 if two of its zeroes are plusmn radic 2 Q4 If the zeroes of the polynomial x3-3x2+x+1 are a-baa+b find a and b
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Q5 Verify that 3-1-13 are the zeroes of the polynomial p(x)= 3xsup3 -5xsup2 -11x ndash 3 and verify the relationship between the zeroes and coefficientsQ6Find the quadratic polynomial sum and product of whose zeroes are 2 and ndash 1 respectively
Q7 Find the quadratic polynomial whose sum and product of zeroes are 1 and 14
Q 8 Divide ( 3xsup2 - xsup3 ndash 3x+5 ) by ( x-1-x2 ) and verify by division algorithmQ 9 Divide the polynomial p(x )by polynomial g(x)where p(x)=x3-3x2+5x-3 g(x)= x2-2Q10 Find all the zeroes of the polynomial p(x) = x4 ndash 6xsup3 -26xsup2 + 138x ndash 4 if two of its zeroes are (2 +radic 3) and ( 2 - radic 3) TOPIC LINEAR EQUATIONS IN TWO VARIABLES
Q1 Solve the following system of equations graphicallya) x + 3y = 6 2x - 3y = 12
Q2 Represent the following equations on the graph and determine the vertices of the triangle so formed x-y+1=0 3x+2y-12=0Q3 For the following system of equations determine the value of k for which the given system of equations has unique solution 4x+ky+8=0 2x+2y+2=0 Q4 Find the value of k for which the system of equations has infinitely many solutions
kx+3y-(k-3)=0 12x+ky-k=0Q5 Find the value of lsquokrsquo so that the following system of equations has no solution
3x+y=1 (2k-1)x+(k-1)y=2k+1Q6Solve the following system of equations by the substitution and cross multiplication method 8x+5y=9 3x+2y=4Q7 The sum of the digits of a two digit number is 9Alsonine times this number is twice the number obtained by reversing the order of the digitsFind the number Q8 A fraction becomes 13 when 1 is subtracted from the numerator and it becomes frac14 when 8 is added to its denominator Find the fractionQ9 Ritu can row downstream 20km in 2 hours and upstream 4 km in 2 hours Find her speed of rowing in still water and the speed of the currentQ10 Five years ago Nuri was thrice as old as Sonu Ten years later Nuri will be twice as old as sonu How old are Nuri and Sonu
Subject Science CLASS X-A amp X-B
Q1Explain the following types of chemical reactions and also give at least 4 examples in each case
(a) Combination reaction
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
(b)Decomposition reaction(c) Displacement reaction(d)Double displacement reaction(e) Oxidation amp reduction reaction
Q2 Draw a diagram showing reaction of zinc granules with dilute sulphuric acid and testing hydrogen gas by burning( Fig21page no19)
Q3
SL NO PAGE NO QUESTION NOS1 22 1232 25 1234563 28 12344 33 123455 EXERCISES34-35 12345789131415
Class x-a amp b subject social scienceShorts questions from every chapter(total 20)Map work-all(types of soil amp new states)10 news headlinesCollecting resources amp paste or diagrams amp pie charts
Class-9 Subject-English
1 Prepare a magazine on William Wordsworth covering the following‐ bull A cover page
bull Introduction to the poet
bull Life of the poet
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
bull His works (any three)
bull Summary of the poems with pictures
2 Read and cut out articles from the newspapers based on various environmental issues Paste these in an A4 sheet Try to cover all the following topics Do keep in mind the relevance Of the material you collect
Ban the bag Water woes Sustaining the Himalayas Green India Energy efficiency
3 Write the summary of the novel ldquo Three men in the Boatrdquo4 Write any two character sketches from the Novel ldquo Three men in the Boatrdquo5 Read a book and write its Review keeping the following points in mind
SUMMARYNarration
Who narrated the story Was it first-person narration or third-person narration Was the narrator a reliable source of information
Setting Note the time period and location the book is set in How did setting drive or influence the plot of the book
Theme Note the overall theme or message of the book
Genre What genre of literature was it How did it compare to another work in this genre
Author Name the author Discuss any previous works How did previous works compare with this work
Plot Give a brief plot summary without giving away any key details
EVALUATIONYour Opinion
This is the most important part of the review Did you like it Why Dislike it Why Would you read more by this author Why or why not Would you encourage others to read this book Why or why not
Hindi ndash 9th
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
- वी-अब 1दो बलो की कथाकबीरअलकार-भद व उदाहरण ndash म स हिकसी एक हिवषरय पर आधारिरत पॉवर पॉइट परजटश बाइए | 2वाद-हिववाद ndash जीव म पसा ही lsquoसबकछrsquo ह ndash पकष-हिवपकष पर वाद-हिववाद कीजिजए |3हिकसी एक हिवषरय वसत पर आधारिरत सधिचतर हिवजञाप बाइए |4हिकसी भी एक कहिवता का रसासवाद कीजिजए
Subject Mathematics Class IX Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram alsoQ2 Draw the following irrational numbers on the number line by taking 2cm as 1unit radic2 radic3 radic5 radic10 radic13 radic17 radic35 radic56
Q3 Express the following numbers in pq q ne0 form a) 025 b) 0134 c) 06 d) 281 Q4 Find the value of radic2 radic3 and radic5 up to four decimal placesQ5 Rationalize the denominator of the following a) 1
radic7minus2 b) 73radic3minus2radic2 c) 5
radic3 d) radic3+radic2radic3minusradic2 Q6 Find the remainder by division method amp verify it by remainder theorem when the polynomial p(x) = x3 ndash 6x2 + 2x ndash 4 is divided by (1 ndash 3x) Q7 For what value of ldquo k rdquo the polynomial p(x) = x5 ndash 3x4 ndash kx3 + 3kx2 + 2kx + 4 is exactly divided by (x ndash 2)
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Q8 Factorise the following a) x3 + 13x2 + 32x + 20 b) x3 + 64 Q9 Using suitable identity expand the following [a] (3a ndash 7b ndash c)2 [b] (2x ndash 1
y )3Q10 Simplify (087) 3 + (013) 3 _________ (087)3 ndash (087 x 013) + (013)2 by using x3+y3 = (x+y)(x2ndashxy+y2)Q11 Write the signs of conventions in all the four quadrantsQ12 Plot the following points on graph paper amp name the quadrants in which they lie A] (ndash24) B] (3ndash1) C] (-3ndash5) D] (12)
Q13 Write Euclidrsquos axioms and postulatesWrite the following activities in a separate file Activity 1 Construct a square root spiral of irrational no
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
radic2 radic3 radic4 radic5 radic6 radic7 Activity 2 Fill all the details Mathematicians given below in this formatSr noName of the MathematicianCountry to which they belongLife periodAge they lived Inventions Year of invention 1 Thelas 2 Pythagoras 3 Euclid 4 Archimedes 5 Herone 6 Aryabhatta 7 Brahmgupta 8 Bhaskara ndash I 9 Bhaskara ndash II 10 Rene Descartes 11 Leonhard Euler 12 G H Hardy 13 SRamanujan
SUBJECT SCIENCE
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
CLASS IX-A amp IX-BQ1 what are the characteristics of the following
(a) Solids
(b) Liquids
(c) Gases
Q2 what is difference between Latent heat of fusion and Latent heat of vaporization
Q3 Explain the factors affecting rate of evaporation
Q4why should we wear cotton clothes in summer
Q5 why do we see water droplets on the outer surface of glass containing ice cold water
Q6 Page no10 QNo1 to QNo4
Q7 ExercisePage No12 QNo1 2 3 6 7 8
Q8 what are differences between homogeneous and heterogeneous mixtures
Q9 Write the characteristic features of the following
(a) Solution
(b) Colloidal solution
(c) Suspension
Q10 With the help of flow diagram show the process of obtaining gases from air (hint Figure 211page no22)
Q11 what are differences between mixtures and compounds (Hint table 22page no26)
Q12 ExercisePage No28-30QNo157891011
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Class-8 subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal requesting him for transfer certificate3 Write an email to your friend telling him about how you spend your vacation4 Write a story of your own5 Practise hand writing in Cursive writing book-5 amp 6
For doing the work above mentioned three items follow the following formats
6 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
7 Formal letter
Your address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Your loving friend
Your name
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
सतर - २०१६ - १७ ककषा - आठवी lsquo अ rsquo amplsquo ब rsquo हिवषरय - हिहनदी
१पाच पज स13ख काय0 (13ख स5ारन क लि13ए) करना ह|
२पाठो म आय कदिठन व नय शबदो को (शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह|
(कम स कम 50 शबद)
३ दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2पसका13य का महततव
४-रमिमWयो म दो पसतक पढ़नी हऔर उनकी पसतक-समीकषा करनी ह|
५चार दिदनो का अवकाश 13न हत आपक किवदया13य क पराचाय0 को अशदधिदधया रकिहत परारथी0ना पतर लि13खन का अभयास करना ह|
६वयाकररण म सजञासव0नामकिकरयाकिवशरषारण समासव किकरया-किवशरषारण एव महावरो को लि13खकर याद करना ह|
Subject Mathematics Class VIII Solve the following questions in your maths note book Q1 Define amp explain number system Draw its diagram also
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Q2 Write the properties of rational no and give a summary of itsQ3 Find the additive and multiplicative inverse of the following numbers ndash 5
7 19ndash6 13
1 8minus17
2 35Q4 Represent the following rational numbers on number line
ndash 57 13
6 35Q5 Find five rational no between the following
(a) 23 and 4
5 (b) ndash 56 and 5
8 (c) ndash2 and 52
Q6 Solve the following equations (a) x3 + 52 = ndash3
2 (b) x = 45
(x+10) (c) xminus53 = xminus3
5Q7 Draw polygons of three four five amp six sides and name them and do these Exercise no 11 22 24 page 35 26 31 32Question no 10 11 4 5 13 amp 15 3 amp 8 Example 19 2 5 amp 6 4 amp 6 1 2 3 amp 4 Write the following activities in a separate file Activity 1 Prove angle sum property of a triangle ie Prove that sum of all interior angles of a triangle is 180⁰ Activity 2 Draw the following figures on any coloured paperchart then cut and paste on paper 1) Square 2) Rectangle 3) Parallelogram 4) Rhombus 5) Kite Also write the properties of each figure
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Class viii-a ampviii b-social scinece1 Collect 5 british government governerrsquos photos and paste
them2 Map skill (2 map in history and 1 in civics)3 10 news headlines ndash collect and paste it4 25 mcqsShorts questions
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Class-7 Subject-English
1 Write a letter to your friend inviting him for your brotherrsquos wedding2 Write a letter to your principal asking for 10 days sick leave3 Write an email to your friend telling him about how you spend your vacation4 Read any two stories and tell that to class5 Practise hand writing in Cursive writing book-3 amp 4
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
EmailFromhelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(your email id)Tohelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip(receiverrsquos email id)CchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipBcchelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellip
Subjecthelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipcontent
Your loving friend
Your name
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
ककषा ७ - ब हिवषरय हिहनदी वष २०१६ - १७ १13ख स5ारन क लि13ए सभी वरणh को सड़ौ13 बनान का अभयास करना ह |
२पाठो म आय कदिठन व नय शबदो को (वत0नी व शदध 13खन म स5ार क लि13ए) तीन ndashतीन बार लि13खना ह| (कम स कम 50 शबद)
३परकितदिदन एकपाठ को घर पर जोर-जोर स पढना ह| इस पठन काय0 की जाच अभिभभावक किनमन किबनदओ क आ5ार पर कर-|
४दो किनब5 लि13खन ह|किवरषाय-1मरा किवदया13य 2मरी किपरय पसतक
7 th a --- hindi 2 सातवी ndash अ 1 हिबध-लख-कारय ndash दी की उपरयोहिगता 2मरा हिपररय पकषी
2 हिकसी भी कहिव की परकहित परम की एक कहिवता धिलखिखए |3 पश-पकषिकषरयो को कद रखा उकी सवततरता का ह करा ह ndashअप हिवचार धिलखिखए |4सकत हिबनदओ पर आधारिरत कहाी लख |
CLASS VII scienceCHAPTER 1 NUTRITION IN PLANTS
Q1 MATCH THE FOLLOWING
1पाठ का नाम दिदनाक -कित उचचाररण शदध-पठन
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
COLUMN 1 COLUMN 2
PLANTS SAPROTROPHS
ANIMALS AUTO TROPHS
PITCHER PLANT HETEROTROPHS
FUNGI INSECTIVOROUS PLANTS
LICHENS SYMBIOTIC RELATIONSHIP
CUSCUTA PARASITIC PLANTS
Q2 NEATLY LABLE THE FOLLOWING DIAGRAM
Q3 LABEL THE FOLLOWING DIAGRAM OF STOMATA
Q4 COMPLETE THE FOLLOWING EQUATION
CHAPTER 2 NUTRITION IN ANIMALS
Q1 FILL IN BLANKS
1THE CONVERSION OF COMPLEX FOOD IS CALLED
2 AIS AN ASSOCIATION OF SYMBIOTIC RELATIONSHIP BETWEEN ALGA AND A FUNGUS
3A PLANT THAT HAS BOTH AUTOTROPHIC AS WELL AS HETEROTROPHIC MADE OF NUTRITION IS
4THE MODE OF TAKING IN FOOD BY ORGANISM AND ITS UTILIZATION BY THE BODY FOR ITS VARIOUS ACTIVITIES IS CALLED
5 THE RELATIONSHIP IN WHICH TWO DIFFERENT ORGANISM LIVE TOGHETHER IN SUCH A WAY THAT BENEFIT EACH OTHER IN SOME WAY IS CALLED THE
Q2 CORRECT THE FOLLOWING SENTENCES BY CORRECTING HIGHLIGHTED WORDS
1ROOTS ARE THE MAIN SITE OF PHOTOSYNTHESIS IN PLANTS
2BOILED AND COOLED WATER WITH A PINCH OF SALT AND SOME SUGAR WHICH IS GIVEN TO THE PATIENT SUFFERING FROM DIARRHOEA IS CALLED IODINE SOLUTION
1 FALSE FEET IN AMOEBA ARE CALLED VACUOLES2 CELLULOSE IS DIGESTED BY RUMINANTS IS RUMEN3 GREEN PIGMENT PRESENT IN LEAVES IS RHIZOBIUM
Q3 MATCH THE FOLLOWING
COLUMN 1 COLUMN 2LIVER ACID RELEASESALIVERY GLAND STORAGE OF UNDIGEST FOODSMALL INTESTINE BILE SECRETIONLARGE INTESTINE COMPLETE DIGESTIONRECTUME ABSORPTION OF WATER
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
STOMACH RELEASE OF FAECES
Q 4 COMPLETE THE TABLE
ANIMAL KIND OF FOOD MODE OF FEEDINGSNAILANTEAGLEBUTTER FLYMOSQUITE
Q5 LABLE THE FOLLOWING DIAGRAMA TONGUEB AMOEBA CHAPTER 3 FIBRE TO FABRICQ1 CUT amp PASTE OR DRAW amp COLOUR ANY FOUR WOOL YIELDING ANIMALSQ2 GIVEN BELOW IS A CROSS WORD PUZZLE BASED ON THIS LESSON USE HINTS TO FILL IN THE BLANKS
D AREMOVAL OF FLUCE OF A SHEEP SEPARATION OF HAIR OF DIFFERENT TEXTURESTHROUGH WASHING OF SHEEPS HAIR COVERING OF A PUPAREARING OF SILK WORMS ITS LEAVES ARE EATEN BY SILKWORMS
Q3 CUT amp PASTE A SMALL PIECE OF
-SILK CLOTH
-COTTON CLOTH
-WOLLEN CLOTH
Q 4 LIFE CYCLE OF SILK MOTH
Class-6 subject-English
6 Write a letter to your friend inviting him for your birthday party7 Write a letter to your principal asking for 10 days sick leave
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
8 You found a spectacles from the playground of vidyalay write a found notice9 Read any two stories and tell that to class10Practise hand writing in Cursive writing book-1 amp 2
For doing the work above mentioned three items follow the following formats
1 Informal letterYour address (three lines)
Date
Dear FriendOpening linehelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphelliphellipReason for writing letter
Giving regards
Your loving friend(your name in capital letters)
2 Formal letterYour address (three lines)
Date
Receiverrsquos Address (Three lines)
Subhelliphelliphelliphelliphelliphelliphelliphelliphellip
Sir
With due respect and humble regard Ihelliphellipof classhellipwant to request to you thathelliphellip(reason for writing letter)
Thank you
Yours obediently
Sign
Name
NOTICEName of the Institute
PlaceDate
Catchy head lineBody
Who do you want to inform What do you want to inform When Where Additional information
SignName
Designation
CLASS VI - scienceCHAPTER 1 FOOD WHERE DOES IT COME FROM
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
Q1 DEFINE THE FOLLOWING TERMS WITH SUITABLE EXAMPLES
1 HARBIVORES
2 CARNIVORES
3 OMNIVORES
4 INGREDIENTS
Q2 LABEL THE PARTS OF PLANTS
Q3 FILL IN THE BLANKS
1 A SMALL WHITE STRUCTURE THAT COMES CUT OF THE SEEDS IS CALLED
2 BEES COLLECT FROM FLOWERS amp CONVERT IT INTO
3 DOG EATS PLANTS AND ANIMAL PRODUCTS SO IS CALLED
CHAPTER 2 COMPONENTS OF FOOD
4 FOOD INGREDIENTS CONTAIN SOME COMPONENTS THAT ARE NEEDED BY OUR BODY THESE COMPONENTS ARENEEDED BY OUR BODY THESE COMPONENTS ARE CALLED
5STARCH AND SUGARS ARE SOURCE OF
6 GROUND NUT IS RICH IN
7PULSES AND SOYABEAN ARE SOURCE OF
8 DISEASE THAT OCCUR DUE TO LACK OF NUTRIENTS OVER A LONG PERIOD ARE CALLED
Q4 MATCH THE COLUMN
A B
VITAMINMINERALS DEFICIENCY DISEASES
A BERIBERI
B BONE AND TOOTH DECAY
C RICKETS
D ANAEMIA
IODINE SCURVY
CALCIUM GOITER
IRON LOSS OF VISION
Q5 DEFINE OBESITY
Q6 WHAT IS ROUGHAGE
Q7 DEFINE BALANCED DIET
Q8 TICK THE STATEMENTS THAT ARE CORRECT
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES
1 PROTEIN IS A BODY BUILDING FOOD
2 VITAMIN C GETS EASILY DESTROYED BY HEAT DURING COOKING
3 OUR BODY DOES NOT NEED DIETARY FIBRE AND WATER
CHAPTER 3 FIBRE TO FABRIC
Q9 DEFINE THE FOLLOWING
1 FIBRES
2 NATURAL FIBRES
3 SYNTHETIC FIBRES
4 GINNING
5 SPINNING
Q 10 MATCH THE FOLLOWING A BPLANT FIBRE SILKANIMAL FIBRE GINNINGMAKING YARN JUTESEPARTION OF SEEDS BY COMBING WEAVINGARRANGING 2 SETS OF YARNS SPINNINGSYNTHETIC FIBRE NYLONQ 11 FILL IN THE BLANKS1 AND ARE MADE FROM COCONUT FIBRE2 POLYESTER IS AFIBRE3WEAVING OF FABRIC IS DONE ON 4FIBRE IS OBTAINED FROM THE STEM OF A PLANTQ 12 GIVE EXAMPLES OF
4 TWO NATURAL FIBRES5 TWO SYNTHETIC FIBRES