KENDRIYA VIDYALAYA NO 2 AGRA CANTTSUMMER VACATION HOLIDAY HOMEWORK 2016-17

CLASS-XIIPHYSICS

Q.1 Prepare completely Lesson 1, 2, 3 and 4.

Q.2 Do five problems on each topic.

Q.3 Solve sheets of questions & Numerical provided to students.

Q.4 Do last three board papers questions taught syllabus.

SUBJECT- CHEMISTRYQ.1 Do in text and exercise questions of chapter 10 to 13 NCERT.

Q.2 Complete INVESTIGATORY PROJECT.

Q.3 Learn Chapter 10-13 for monthly test.

SUBJETC-ENGLISH

1. Read the novel:-

a) Write its Book Review.

b) Describe the episode of unveiling of the stranger at Hall’s Inn [L-7]

c)What did Mr. Hall & Mrs. Hall experience when they entered the room of the

stranger.[L-6]

2. Write a speech on the topic “The importance of Newspaper in education of youth”.

3. Write an article on the topic “Poverty is the causes of all evils”.

4. Read a passage and make notes on it with summary.

5. Design a poster on the topic “Water Conservation”.

6. Draft a formal printed Invitation.

SUBJECT- MATHEMATICS

Matrices: 1. Using elementary transformations, find the inverse of the

following matrix ;

2. If A=. , find x, 0< x < where A+ A´ = I.

3. For matrix A=[1 56 7 ] verify that A+A’ is symmetric

while A-A’ is skew-symmetric matrix.4. Construct a matrix of order 2x2

5 If 6. . Express each of the following matrices as the sum of a symmetric and a skew- symmetric matrices

7. To promote yoga an organization tried to generate awareness through SMS,letters and announcements. The cost for each made per attempt is Rs. 6,Rs.30 and Rs. 40. The numbers of attempets made in three localities A,B and C as given below :

(i) (ii) (iii)A 400 100 2000B 300 150 300

8 Find the values of x, y and z from following

[ x+ y 25+z xy ] =[6 2

5 8]

9 The cost of 4 Kg onion 3 Kg wheat and 2Kg rice is Rs.60.00. The cost of 2Kg onion 4Kg Wheat and 6Kg rice is Rs.90.00.The cost of 6Kg onion 2Kg wheat and 3Kg rice is Rs.70.00. Find the cost of each item per Kg by Matrix method.

10. Using the properties of the determinants prove that

|a2+2a 2a+1 12a+1 a+2 13 3 1|= ( a−1¿¿3

11.Use the product [1 −1 20 2 −33 −2 4 ] [−2 0 1

9 2 −36 1 −2]

to solve the system of equations: x– y+2 z=1; 2y −3 z=1 ;3 x−2 y+4 z=2

12. Using matrix method solve the system of linear equations x+2y-3z=-4, 2x+3y+2z=2, 3x-3y-4z=11.

13. If A =[2 35 −2], write A−1 in terms of A.

14 If [2 35 7 ][ 1 −3

−2 4 ] =[−4 6−9 x ], find the value of x.

15.|x−2 −33 x 2x|=3,find x.

16 If A| =2 ,|B|=3,then |AB|=------

17.Evaluate |1 a b+c1 b c+a1 c a+b|

18. Evaluate|1 bc a(b+c)1 ca b(c+a)1 ab c (a+b)|

19. Evaluate |x+ y y+z z+xz x y1 1 1 |

20 If A is a square matrix of order 3 such that |AdjA|=225, find |A|

21 If A is an invertible matrix of order 3 and |A|=5 then find the |AdjA|

22 Find the value of x if |2 45 1|=|2x 4

6 x|23. If A is a diagonal matrix of order 3 such that a11=1,a22=2,a33=3,the find |A|

24. If ATA=I, evaluate |A|

25. If A is a skew symmetric matrix of order 3 then |A|=----

26. If |A|=2 then evaluate |AAT|

27. Write the cofactor of a12 in the following matrix [2 −3 56 0 41 5 −7 ]

28. If a,b and c are in AP, prove that |2 y+4 5 y+7 8 y+a3 y+5 6 y+8 9 y+b4 y+6 7 y+9 10 y+c|=0

29. Prove that |1 a a2

1 b b2

1 c c2|= (a-b)(b-c)(c-a)

35If x≠ y≠z, and |x x2 1+x3

y y2 1+ y3

z z2 1+z3|=0,then prove that 1+xyz=0,or xyz=-1

30. Provethat|1 a a2−bc1 b b2−ca1 c c2−ab|=0

31. Prove that| x+ y x x5 x+4 y 4 x 2 x10 x+8 y 8x 3 x|=x3

32.Provethat|1 1+ p 1+ p+q2 3+2 p 1+3 p+2q3 6+3 p 1+6 p+3q|=1,

33.Provethat|b+c c+a a+bq+r r+ p p+qy+z z+ x x+ y|=2|a b c

p q rx y z|

34.|1+a 1 11 1+b 11 1 1+c|=abc(1+1a+1b+1c )

35. Two schools A and B decided to award prices to their students for three value honesty(x), punctuality(y) and obedience (z). School A decided to award a total of Rs 11,000 for three values to 5,4 and 3 students respectively while school B decided to award Rs 10,700 for the three values to,4 ,3 and 5 students respectively .If all the three prices together cost Rs2700,then

(i) Present the above situation by a matrix equation and form linear equation using matrix multiplication.

(ii) Is it possible to solve the system of equation so obtained using matrices?

(iii) Which value you prefer to be rewarded most and why?

36. Using matrix method solve the system of linear equations x+2y-3z=-4, 2x+3y+2z=2, 3x-3y-4z=11.

37. If A=[1 2 −32 3 23 −3 −4], find A-1.Hence solve the following system of equations

x+2y-3z=-4, 2x+3y+2z=2, 3x-3y-4z=11.

38. If A=[1 2 22 1 22 2 1] prove that A2-4A-5I=O , hence find A -1

39. If A=[1 −1 02 3 40 1 2 ] and B=[ 2 2 −4

−4 2 −42 −1 5 ] . Find AB and use it to solve the

following system of linear equations x-y=3, 2x+3y+4z=17, y+2z=7.

40.2x−3y+ 3z=10,1x + 1

y+ 1z=10,3x−

3y+ 2z=13, solve the given system of linear

equations by matrix method

Relations and functions:

1. Consider f : R+ [ -5,∞) given by f(x) = 9x2 + 6x – 5 show that f is invertible and find f -1 .

2. Let T be the set of all triangles in a plane with R as a relation in T ,R={(T 1,T 2) :T 1≃T2 }.Show that R is an equivalence relation.

3. Let f:R→

R be defined as f(x)=x3-2. Show that f is a bijective function also find f -1(62)

4. Show that the relation R in A Adefined by (a,b) R (c,d) a + d = b + c on the set A ={ 1,2,3, ……..9} is an equivalence relation also obtain the equivalence class [(2,5)].

5. Consider the function f: show that function is invertible and hence find its inverse.

6. Let A ={1,2,3,4} .If the function f: A A and g: A A be defined as f= {(1,4)(2,1)(3,3)(4,2)} and g= {(1,3)(2,1)(3,2)(4,4)}, then find the following

(i) fog (ii) fof (iii) gof .

7. Let the binary operation * on Q be defined as follows:a) a * b = ab2

b) a * b = 2ab

c) a * b = a2+b2

Find which of the binary operations are commutative and which are associative

8. A binary operation * on set R-{-1} is defined as a*b = a+b+ab if a,bϵR-{-1}.Prove that * is commutative and associative . Also find the identity element for a ϵR-{-1}.

9. Show that the function f in A=R−{23

} defined as f ( x )= 4 x+36 x−4 is one one

and onto function. Hence find f−1 .

10.A binary operation ¿on the set {0,1,2 ,3,4,5 }is defineas a∗b={ a+b if a+b<6a+b−6 if a+b≥6.

Show that zero is the identity for this operation and each element ‘a’ of

the set is invertible with 6 - a, being the inverse of ‘a’.

11.Let f , g :R→R be defined as f ( x )=|x|and g ( x )=[ x ] where[ x ] denoted the

gratest integer less than or equal to x . find fog( 52 ) and gof (−√2).

12. Show that the relation R in set A={x∈Z , 0≤ x≤12 } given by

R={ (a ,b ) : |a−b|is amultiple of 4 } is an equivalence relation.

Inverse trigonometric functions 1. Write the principal value of 2. Write the following in simplest form :

a.

b.

c.

3. If tan -1 + tan -1 = , find the value of x .

4. Prove that cos−112

13+sin−1 3

5= sin−156

65

5. Evaluate:

6. Prove that 9π8

−98sin−1 1

3=94sin−1 2√2

3

7. Prove that :

8. Solve for x :

9. Prove 10. Using principal values, find the values of the

following:

11. Prove that : tan -1 [√1+x−√1− x√1+x+√1−x ] = π4 - 12 cos -1 x ,

−1√2 ≤ x ≤ 1.

12.Solve for x:

3sin−1( 2 x1+x2 )−4sin−1( 1−x2

1+x2 )+2 tan−1( 2x1−x2 )=π3

13. Prove that tan−1( 14 )+tan−1( 29 )=12 cos−1( 35 )14. Solve for x : sin−1 (1−x )−2sin−1 x= π

2 .

15. Prove that: 2 sin -135

- tan -1 1731 = π4 .

SUBJETC-BIOLOGYQ.1 Describe the structure of microsporangium with the help of its diagram.

Q.2 Explain the different steps of development of microspore/ male gametophyte

and development of mature pollen grain with the help of its diagram.

Q.3 Describe the structure of anatropous ovule with its figure.

Q.4 Describe the steps of development of female gametophyte/embryo sac and it

is called monosporic. Why?

Q.5 Explain the double fertilization step wise with its diagram.

Q.6 Explain the str. Of seminiferous tubule with its diagram.

Q.7 Describe the structure of mammary gland with the help of its diagram.

Q.8 What is gametophyte? Explain the different steps of development of

spermatozoa and ovum with their respective figures.

Q.9 What is implantation? Explain the different steps of development of blastocyst

from its initial stage with the help of its diagrams.

Q.10 To solve the last ten years CBSE questions and practice papers from lesson

first to five.

Q.11 To solve questions of monthly test and class test 2016.

Q.12 To solve NCERT questions of lesson of five.

Q.13 Explain Mendel’s law with the help of their crosses ( ALL three laws)

Q.14 Describe the incomplete dominance with its cross, example.

Q.15 What is co dominance? Explain it with the help of example.

Q.16 Explain mutation and its categories.

Q.17 Write short notes on following

A) hemophilia B) sickle cell anemia C) down syndrome D) turner syndrome.

SUBJECT-COMPUTER SCIENCE (XII A)

CBSE PROJECT WORK USING C++ AND DATA FILE HANDLING

S.N. NAME OF THE STUDENT TOPIC FOR PROJECT

1 VIVEK SINGH LIBRARY MANAGEMENT SOFTWARE

2 SAURAV JOSHI BAKERY SHOP MANAGEMENT SOFTWARE

3 SYMPHONY FEES MANAGEMENT SOFTWARE

4 TANUJA DHAMI ADMISSION MANAGEMENT SOFTEWARE

5 PALLAVI BARTHWAL SCHOOL RESULT SOFTWARE

6 ANKITA CHAUHAN HOSPITAL MANAGEMENT SOFTWARE

7 PARVINDER SINGH BOOK SHOP MANAGEMENT SOFTWARE

8 KAMENDER SINGH DAILY NEEDS SHOP SOFTWARE

9 HARSH BARDHAN INVENTORY MANAGEMENT SOFTWARE

10 ABHUDAY TIWARI COMPUTER SHOP MANAGEMENT SOFTWARE

11 DHEERAJ SINGH TEA SHOP MANAGEMENT SOFTWARE

12 MICKY RAWAT SWEET SHOP MANAGEMENT SOFTWARE

13 VISHAL PRAJAPATI FURNITURE SHOP MANAGEMENT SOFTWARE

14 RAJA CHAHAR CYBER CAFÉ CUSTOMER MANAGEMENT SOFTWARE

15 TEJASHWINI ELECTRONIC SHOP MANAGEMENT SOFTWARE

16 ANIKET KARMAKAR STATIONARY SHOP MANAGEMENT SOFTWARE

17 ANKIT YADAV HOTEL MANAGEMENT SOFTWARE

18 ALOK KUMAR RESTAURANT MANAGEMENT SOFTWARE

19 ANUTOSH TRAVEL AGENCY MANAGEMENT SOFTWARE

20 VIKAS KUMAR SINGH MOBILE SHOP MANAGEMENT SOFTWARE

21 NISHU GARMENT SHOP MANAGEMENT SOFTWARE E

22 AKSHAY VEGETABLES SHOP MANAGEMENT SOFTWARE

23 POOJA COLD STORAGE MANAGEMENT SOFTWARE

24 SARITA BANKING MANAGEMENT SOFTWARE

25 PRIYA PANDEY MEDICAL SHOP MANAGEMENT SOFTWARE

26 ASHISH KUMAR SINGH TIFFEN-SERVICE BILL MANAGEMENT SOFTWARE

SUBJECT: IP

SQL REVISION

ACTIVITY: 1

Objective: Understanding the use of DML command at MySQL plateform.

Task: Open MySQL and Login with your ID and password given by your Teacher. Write and Execute the SQL command for the following and also write the steps/commands in your Practical notebook.

1 1. Create a Database named MYORG.2 2. Open the Database with USE command.

33. Create a table name Emp with following

structure.empno ename job hiredate sal comm

Number Varchar Char(10) Date Number Number

4 4. Insert the following Records-empno ename job hiredate sal comm

8369 SMITH CLERK 1990-12-18 800.00 NULL8499 ANYA SALESMAN 1991-02-20 1600.00 300.008521 SETH SALESMAN 1991-02-22 1250.00 500.008566 MAHADEVAN MANAGER 1991-04-02 2985.00 NULL8654 MOMIN SALESMAN 1991-09-28 1250.00 400.008698 BINA MANAGER 1991-05-01 2850.00 NULL8882 SHIVANSH MANAGER 1991-06-09 2450.00 NULL8888 SCOTT ANALYST 1992-12-09 3000.00 NULL8839 AMIR PRESIDENT 1991-11-18 5000.00 NULL8844 KULDEEP SALESMAN 1991-09-08 1500.00 0.00

5 Write a query to display all the records with all the columns.

6 Write a query to display EName and Sal of employees whose salary are greater than or equal to 2200

7 Write a query to display details of employs who are not getting commission.

8 Write a query to display employee name and salary of those employees who don’t have their salary in range of 2500 to 4000.

9 Write a query to display the name of employee whose name contains “A” as third alphabet in Ascending order of employee names.

10 Write a query to display the ename and sal with 50% of sal as DA.

11 Write a query to display the name of employee whose name contains”M” as First and “L” as third alphabet.

12 Write a query to display details of employs with the text “Not given”, if commission is null.

13 Display the distinct job titles offered by the Organization.

14 Display the Names of employees who are working as Manager or Analyst.

15 Display the names of employees who joined the organization on or after

01/05/1991.

ACTIVITY-2

Objective: Understanding the use of DML command with MySQL functions . Task: Open MySQL and load MYORG database. Write and Execute the SQL

command for the following and also write the steps/commands in your Practical notebook.

1 Write commands to display the system date. 2 Write a command to display the name of current month.

3 Write command to print the day of the week of your birthday in the year 2015.

4 Write a query to display employee names in lower case from Emp table.

5 Write a query to display last 3 characters from all the names of employee from Emp table.

6 Write a query to display ename alon with the position of ‘N’ character in ename column from Emp table.

7 Write a query to display ename and two characters from 2nd position in job column from Emp table.

8 Write a query to display ename and weekday on which they joined from Emp table.

9 Write a query to display ename alon with number of years(experience) as on today from Emp table.

10 Write a query to display ename, Job and Date of retirement (60 years after Hiredate) from Emp table.

11 Write a query to find out the result of 63. 12 Write a query to find out the result of 301/2 (Square root of 30) 13 Write the command to display the ename and its length from Emp table. 14 Write the command to round off value 15.193 to nearest ten’s i.e. 20. 15 Write a query to display ename concatenated by job from Emp table.

ACTIVITY:-3

Objective: Understanding the use of DDL commands.

Task: Write and Execute the SQL command for the following and also write the steps/commands in your Practical notebook.

1. Create table CUSTOMER as per following Table structure.Column CustID CustName CustAdd CustCity CustPhoneName

Data Type NUMBER VARCHAR VARCHAR VARCHAR VARCHAR

Length 7 30 40 30 10

Constraints Primary Not Null

2. Insert 5 records with relevant information in the Customer table.

3.Update all the records as add ‘Mr.’ with CustName.

4.Add one column Email of data type VARCHAR and size 30 totable Customer.

5. Add one more column CustIncomeGroup of data type VARCHAR(10).

6.Drop the column CustomerIncomeGroup from table Customer.

7. Modify the column CustCity as change the size 40 characters long.8. Delete all the records who belongs to ‘Jaipur’

9.Create table ORDER as per following Table structure. Also makeCustNo as Foreign Key which refers CustID of CUSTOMER table.

Column OrderNo CustNo ItemName Qty PriceName

Data Type NUMBER NUMBER VARCHAR NUMBER NUMBER

Length 5 7 30 5 6,2

Constraints Primary >=2 Not Null

10. Add 5 records as per defined constraints in Order table.

11.Create a table TEMPCUSTOMER from existing CUSTOMER tablewith CustID, CustName and CustPhone columns.

12.Write command to show the Tables in the MYORG Database.

13. Drop the TEMPCUSTOMER table.14. Drop the Foreign Key constraints from the Order Table.

Drop the database MYORG

वि�षय –वि�न्दी

SUBJECT-ECONOMICSQ. WHAT IS ECONOMICS ABOUT? OR WHAT IS THE SUJECT MATTER OF ECONOMICS?

Q.WHAT IS MICRO AND MACRO ECONOMICS?

Q.WRITE THE TWO BASIC COMPONENTS OF MACROECONOMICS?

Q.WHAT IS MEANT BY THE SCARCITY OF RESOURCES?

Q.DEFINE CAPITALIST ECONOMY?

Q.AGGREGATION IS INVOLVED ONLY IN MACROECONOMICS?

Q.DEFINE MIXED ECONOMY?

Q.DEFINED CETRALLY PLANNED ECONOMY?

Q.STATE THE TWO CHARACTERISTICS OF A CENTRALLY PLANNED ECONOMY?

Q.EXPLAIN THE MEANING OF OPPORTUNITY COST WITH THE HELPOF PRODUCTION POSSIBILITY SCHEDULE?

Q.PRODUCTION IN AAN ECONOMY IS BELOW ITS POTENTIAL DUE TO UNEMPLOYMENT GOVERNMENT STARTS EMPLOYMENT GENERATION SCHEMES .EXPLAIN ITS EFFECT USING PRODUCTION POSSIBILITIES CURVE?

Q. LARGE NUMBER OF TECHNICAL TRAINING INSTITUTION HAVE BEEN STARTED BY THE GOVERNMENT .STATE ITS ECONOPMICS VALUE IN THE CONTEXXT OF PRODUCTION POSSIBILITIES FRONTIER?

Q.WHTA W8ILL THE IMPACT OF RECTENLY LAUNCHED “SWACHH BHARAT ABHIYAN “CLEAN INDIA MISSION THE PRODUCTION POSSIBILITIES CURVE OF THE ECONOMY AND WHY?

Q.WHAT WILL LIKELY BE THE IMPACT OF LARGE SCALE OUTFLOW OF FOREIGN CAPITAL ON PRODUCTION POSSIBILITIES CURVE OF THE ECONOMY AND WHY?

Q.WHY IS PRODUCTION POSSIBILITIES CURVE IS CONCAVE? EXPLAIN

Q.GIVING REASON COMMMENT ON THE SHAPE OF PRODUCTION POSSIBILITIES CURVE BASED ON THE FOLLOWING SHEDULE

GOOD X (UNITS)GOOD Y ( UNITS )

Q.WHAT WILL BE THE IMPACT OF “EDUCATION FOR ALLL CAMPAIIGN (SARV SHIKSHA ABHIYAN) ON THE PRODUCTION POSSIBILITIES CURVE OF THE INDIAN ECONOMY AND WHY? (CBSE F 2015 )

Q.KEY POINT OF BUDGETS OF 2016

Q.WHAT MSP AND CETRAL ISSUE PRICE?

Q.WITH NAME OF CROP, STATE OF HIGEST PRODUCTION?

Q.NATIONAL SEED POLICY WAS ADDOPTED IN 1988?

Q.WHAT DO YOU UNDERSTAND BY THESE TERMS.

PACS, PSFS SCHEME

LAMPS, FSS

Q.FOREST REPORT 2016?

Q.WHAT IS MAKE IN INDIA CAMPAIGN? WHAT ITS MOTO?

Q.WHAT ARE DIFFERENT REVOLUTION INITIATE BY GOVERNMENT LIKE > WHITE REVOLUTIONWITH ITS INITATE DATE AND CHAIRPERSON AND YEAR OF INITIATE?

Q.WHAT IS FERA AND FEMA?

Q.WHAT IS SFURTI?

Q.RUPAY YOJANA?

Q.WHAT IS 14 TH FINANCE COMMISION?

Q.”NAME OF MAHARATAN AND MINI RATAN? HOW THEY GET THESE TAGS, WHAT ARE THEIR NORMS

Q.FORIEGN TRADE AND ITS RELATED POLICES?

Q.NEW DEVELOPMENT PROGRAME? INITIATE BY PM NARENDER MODI?

Q.WHAT IS DIGITAL INDIA AND MAKE IN INDIA PROGRAMME?

Q.WHAT IS FINNACE COMMISION, ITS ESTABLISHMENT, CHAIRPERSON, ETC?

Q.SOLVE MUMERICALS OF NATION INCOME, SELF STUDY OF NATIONAL INCOME UNIT AND HOW ITS ACCOUNTS IN A YEAR?

SELF STUDY MONEY AND BANKING...UNIT...

SUBJECT-ACCOUNTANCY & BUSINESS STUDIESNote: Holiday Homework of both the subjects Accountancy & Business Studies is to be done in one copy other than class work copy.

ACCOUNTANCY

The following Numerical are to be solved from the Scanner (Questions of Previous years Board Exams) from the reference book T.S. Grewal’s Accountancy.

Page No. Chapter Question Numbers Total questions

S.23 – S. 38 Fundamentals of Partnership

Q1,4,5,7,8,9,14,

15,20,21,22,25,26,27

14

S.38 – S.42 Goodwill Q1 – Q.8 8

S.42 – S. 45 Change in Profit Sharing Ratio

Q1 – Q 6 6

S.42 - Admission of New Partner

Q 1 – Q 10, 12,14,15,19,21,22

16

44

Learn very short answers type questions of 1 Mark from Scanner of Chapter No. 1 to 4.

------------------------------------------------------------------------------------------------

BUSINESS STUDIES

Case Study Questions are to be solved on note book from the Reference book Poonam Gandhi’s Business Studies

Chapter Page No. Question Numbers of case studies

Total Cases

Ch. 1 33 Q1,2,3,7,10,11,12 7

Ch. 2 68 Q2,4,5,8,9,11,14,15 8

Ch. 3 93 Q1,2,4,5,8,11 6

21 Cases

Learn & write the following questions (Long – Essay Type of 6 Marks)

CHAPTER 1

Q. 1- “Coordination is not a separate function of management. IT is the force that binds all other function and thus, called the essence of management”. Explain the statement.

Q. 2- “Management is both Science as well as an Art”. Explain this statement.

CHAPTER 2

Q.1 Explain 14 Principles of management given by Henry Fayol.

Q. 2- Explain Scientific management of F. W. Taylor

CHAPTER 3

Q.1 Explain LPG (Liberalization, Privatization & Globalization)

Q.2 Explain with suitable examples the dimensions of business environment.

CHAPTER 4

Q. 1-Define planning. Explain the importance of Planning?

Q. 2- Explain the limitations of planning?