KALK A PU BLIC SCHOOL

(A UNIT OF KALKA GROUP OF INSTITUTIONS)

ALAKNANDA, NEW DELHI

SUMMER HOLIDAY HOMEWORK

SESSION: 2017– 2018

CLASS – XI

ENGLISH

Q1..Select any two exercises on editing and omission and do them in your notebook.Q2. Select any ten exercises on jumbled up sentences and write them in complete

sentences.Q3. Select any five Reading Comprehension exercises, paste them in your note book

and answer the questions given in the exercises.

MATHS

1. Write down all the possible subsets of each of the following sets:a. {a, b, c}b. {1, {1}}c. {∅ }

2. Let A = {x: x ∈ N}, B = {x : x = 2n, n ∈ N}, C = {x: x = 2n-1, n∈N} and D = {x: x is a prime natural number}

Find: A∩B, B∩C, and B∩D.3. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {2, 4, 6, 8}, B = {2, 3, 5, 7}

Verify that: a. (A∪B)’ = A’∩ B’ b. (A∩B)’ = A’∪ B’

4. How many elements has P (A), if A = ∅ 5. Let A and B be two sets such that n (A) = 20, n (A∪B) = 42 and n (A∩B) = 4. Find n (A-B) 6. Prove the following: a. (A∪B) ∪ C = A∪ (B∪C) b. A∩(B∪C) = (A∩B) ∪ (A∩C) 7. Draw Venn diagram for each of the following: a. A∪B b. A∩B c. A – B d. (A∪ B)’ e. (A∩B)’ 8. In a survey of 700 students in a college, 180 were listed as drinking Limca, 275 as drinking Mirinda and 95 were listed as drinking both Limca and Mirinda. Find how many students Were drinking neither Limca nor Mirinda. 9. In a school there are 20 teachers who teach Maths and Physics. Of these, 12 teach Maths and 4 teach both Physics and Maths. How many teach Physics. 10. In a survey of 100 students, the number of students studying Languages were found to be, English only 18, English but not Hindi 23, English and Sanskrit 8, English 26, Sanskrit 48, Sanskrit and Hindi 8, no language 24. Find How many students were studying Hindi and How many students were studying English and Hindi. 11. Find X and Y, If (x+3, 5) = (6, 2x +y)12. Let A = {1, 2, 3} and B = {x: x∈ N, x is a prime less than 5} Find a. A x B b. B x A 13. Let A = {-1, 3, 4} and B = {2, 3}. Represent the following products graphically.

a. AxB b. AxA14. A relation R is defined from a set A = {2, 3, 4, 5} to a set B = {3, 6, 7, 10} as follows: (x, y)∈ R : x divides y. Express R as a set of ordered pairs and determine the Domain and Range of R. Also find R-1.15. Let A = {1, 2, 3, 4, 5, 6}. Define a relation R on the set A by R = {(x, y) : y = x+1}. a. Depict this relation by arrow diagram. b. Write domain and range of R.16. Find the domain for which the function f(x) = 2x2 – 1 and g(x) = 1-3x are equal.17. If f(x) = 3x4 – 5x2 + 9, find f(x-1)18. Find the domain of real valued function.

a. 1x+2 b.

X−1X−3

19. Let f and g be two real valued function defined by

f(x) = 1x+4 and g(x) = (x + 4)3 Find:

a. f+ g b. f.g c. fg

20. If A = {1, 2, 4}, B = {2, 4, 5} and C = {2, 5}, then find the value of (A - B) x (B – C)

HINDI

ECONOMICS

1. Frame ten two way questions and ten multiple choice questions relating to questionnaire that you intend to design for collecting primary data on the level and composition of expenditure of the people in your locality .2. Write pairs of statistical variables that show cause and effect relationship with each other

ACCOUNTANCY

Collect financial report of two different companies for the year ended 31st March, 2017, Paste these reports on A 4 size sheets and write the summary of the financial results of these two companies along with comparative charts showing the flow of profits and financial position.

BUSINESS STUDIES

1. Choose a locality operated trading or business unit. Find out the kind of risks it faces in business and the way it deals with them.2. Select a local business enterprise and find out the objectives it pursues. Check why it does not pursue other objectives

POLITICAL SCIENCE

NOTE: - DO THE WORK IN THE NOTE BOOK.Q1. What are fundamental rights? How many fundamental rights are given in the constitution of India?Q2. Discuss (i) Right to Equality (ii) Right to Freedom (iii) Right against exploitation(iv) Right to freedom of religion (v) Cultural and Educational right (vi) Right to constitutional remedies.Q3. How directive principles help in making India welfare state?Q4. Discuss powers of Lok Sabha and Rajya Sabha.Q5. What is First Post the Past system? Give its example?Q6. What is proportional representation system?Q7. What are powers of the President of India?Q8. Compare powers of PM and President of India.Q9. Discuss composition of Legislative Assembly and legislative council in state. Q10. Write meaning and definition of(i) Justice (ii) Right (iii) Development (iv) Secularism(v) Peace (vi) Liberty (viii) Equality (2) Recently some groups undertook a violent agitation to demand reservations from the government. What are the provisions given in the constitution of India regarding Reservations? Do you think Reservations violate the Right to Equality or do they help in bringing about

Equality in society by uplifting the weaker sections. Justify your opinion in 200 words. You can also suggest other measures to improve the conditions of marginalized sections3) Being aware and thoughtful about the happenings around us always helps to have a better insight of the society and the world we are living in. With this view let’s start with the regular reading of newspapers. During your summer vacations collect newspaper clippings of the current issues , happenings, events etc(at least 10) and write a detailed “Review” of the current political scenario (National and International)

• The review should be of 300 words (including the introduction and conclusion). • Please mention the sources of information collected. • You can also stick cartoons to add to the impact of the assignment. The project should be not more than 3-4 A4 size colored sheets.

SOCIOLOGYNote:- Do the Project work on A-4 SIZE SHEETS ONLY (1) Prepare a project file (25, A-4 sheets) on any social issue we are facing in our society or any social problem.(2) Carry out the research in a detailed manner using 50 interviews, questionnaire, direct or indirect observation. The file should contain all the necessary sub-topics including analysis. Click pictures wherever necessary and show bar diagrams for analysis of responses. General Instructions for project:- a) Cover pageb) Indexc) Acknowledgmentd) Introduction (explaining the topic well)e) Statement of Purpose (what made one pick up a certain topic)f) Research Question or Hypothesisg) Methodology (definition of the method chosen, why the method is appropriate for the topic choose, advantages and disadvantages of the method)h) Presentation of secondary evidence such as news paper articles, magazine articles, and so on.Burning Social Issue” like Bride burning; Violence on Women; Crime; Atrocities byThe Police; Juvenile Delinquency; Corruption; Child Labor; Issues concerningWomen; Road Rage or any other sociological issue.NOTE:- Write the answers in the note book:-CHAPTER 1 SOCIOLOGY AND SOCIETYQ1. Write about of PLURALITIES and inequalities among societies?

Q2. Write about the sociology and common sense knowledge.

Q3. Write the intellectual ideas that went into the making of sociology?

Q4. Write the about the material issues that went into the making of sociology?

Q5. Write about the growth of sociology in India?

Q6. Write about relationship sociology and economics.

Q7. Write about relationship sociology and political science.

Q8. Write about relationship sociology and history.

Q9. Define the term

(i) Capitalism (ii) Dialectic (iii) Empirical investigation (iv) Values

(v) Social constraint (vi) Micro Sociology (vii) Macro sociology (viii) Feminist theories

Q9. Why is the study of the origin and growth of sociology important?

Q10. Discuss the different aspect of the term ‘society’. How is different from your common

sense understanding?

Q11. Discuss how these are greater give and take among discipline today.

Q12. Identify any personal problem that you or your friends or relatives are facing attempt a

sociological understanding.

Chapter – 2: Term, Concepts and other use in sociology

Q1. Write about the types of groups.

Q2. Write about the primary and secondary social groups.

Q3. Write about the in-group and out-group0s.

Q4. Write about the reference group and peer group.

Q6. Write about the caste.

Q7. Why do we need to use special term and concepts in sociology?

Q8. As a member of society you must be interacting with and in different group. How do you

see these group from a sociological perspective?

Q9. What have you observed about the stratification system existing in your sociology? How are

individual lives affected by stratification.

Q10. What is social control? Do you think the modes of social control in different spheres of

society are different? Discuss.

MASS MEDIA

1. Write a notice (not more than 50 words) to be displayed in your school soft board about

career counseling session organized by class XI-XII students.

2. You are Richa of Class XI .You had recently attended the class assembly of class XI and Class

XII. Now prepare a report on” Career market” in India to be published in your school magazine

3. Draft an advertisement to be published (50words) in local newspaper on “Vacancy as News -

reporter” on the same newspaper.

4. According to you which is the most powerful electronic or print media .Elaborate.

5. Write a news report on the condition of Hospital Industry in our country to be published in

local daily.

COMPUTER SCIENCE/

INFORMATICS PRACTICES

Q1.Project WorkDo the case study of the project on given topic: A Journey ‘FROM ABACUS TO PENTIUM’It should include thefollowing:

Updation taking place in: Hardware Software Operating System Generations of computers People Behind for the updations

Guidelines for the Project:- Project Report must have a Title page, Acknowledgement page, Index page and

Bibliography page. Project Report should be prepared in any Word processor (MS Word) software. Project Report must have Header and Footer. Name of the Project topic should

reflect in Header and Page number should be in footer. Project Report must have 12 – 15 pages.

Q2: Design an IT magazine using MS-Office. GUIDELINES FOR THE MAGAZINE: -

i. Magazine should have the following a. An attractive cover pageb. Name of the magazinec. An articled. An interview of any IT Persoalitye. Advertisementsf. Crosswords / puzzles

i. Size of the heading should be 16 pts and Size of the text should be 12.

ii. Pictures used can be Black & White or Coloured.iii. Text should be in JUSTIFIED ALLIGNMENT.iv. Magazine must contain minimum 10 pagesv. Spiral Binding of the Magazine is must.

Q3: Do the following questions in your notebook

HARDWARE CONCEPTS

TYPE A: VERY SHORT ANSWER QUESTION 1. What is a computer? Name functional components of a digital computer? 2. What is the function of main memory? What are the measuring units of memory? 3. What do you mean by terms Hardware, software & firmware? 4. What are the functions of operating system and language processor? Give examples of each. 5. What is Assembler, Compiler and Interpreter. 6. What do you understand by application software? 7. Write full forms of:

1. VDU 5. MICR2. OMR 6. LCD3. DMP 7. CRT4. CD-ROM 8. DVD

8. What is the advantage of non-impact printers over impact printers?9. Out of following devices, write whether they are input devices, output devices or storage

devices. Also write their function.1. Light pen 2. Flatbed plotter3. Joystick 4. OMR5. Web camera 6. Optical Disk7. Magnetic Disk 8. MICR

10. What are the two types of RAM? Name various types of ROMs. Write their names in full forms. 11. What is communication bus? What are its types? 12. What is a port? Name some ports types briefly. 13. Name two ports that allow wireless connection of devices. 14. Briefly explain and differentiate between(a) Data & information (b) Impact printer & Non-Impact printers (c) Hardware & Software (d) Plotter & Printer(e) CPU & ALU (f) Magnetic Disk & Optical Disk(g) Input & Output unit (h) VDU & LCD(i) Inkjet & Laser Printer (j) Analog & digital Computers (k) OCR & MICR (l) Serial & Parallel Port 15. What is contribution of computers towards our society? What are the advantages and disadvantages of computer data processing over manual data processing?

SOFTWARE CONCEPTS TYPE A: VERY SHORT ANSWER QUESTION 1. What is Program and Software package? 2. What are two categories of system software? 3. What is an Operating system? What is its role? Name some commonly used Operating systems. 4. What is application software? What are three categories of application software? 5. What is an IDE? What are developer tools? 6. Define the following. 1. Spam 2. Malware 3. Phishing4. Firewall 5. Digital Signature 6. Digital CertificateTYPE B: SHORT ANSWER QUESTIONS 1. What is system software? What role does it play in the functioning of the computer? 2. What is Operating System? Why it is called Resource Manager? Explain its functions. 3. Differentiate the following-i. Multiprogramming OS & Multiprocessing OS ii. Time sharing OS & real time OS

iii. Compiler & Interpreter iv. Spyware & Adware 4. Write short notes on the following: i. Word processor ii. Electronic spreadsheet iii. DBMS iv. Graphic & Multimedia v. DTP software 5. What is Utility software? Discuss the role of utility software in the context of computer performance and tuning. 6. How is backup utility useful? Is it necessary to take backup of data? 7. What is a computer virus? How can it affect your computer? 8. Why are antivirus software considered important 9. What do you mean by System Security? What are different types of threats to computer security? 10. What are Malware? What types of damages can they cause to your computer? 11. What is Virus? Explain its types? 12. What is a Spam? How it is different from virus? 13. What do you understand by PC intrusion? 14. What measure would you take to avoid various types of threats? 15. What is denial-of-service (DoS) and sweeper attacks.

MULTIMEDIA AND WEB TECHNOLOGY1. Questions to be done in the notebook:

a. What is Multimedia? Explain its uses in the field of education and entertainment.b. How many Kilobytes are equal to 1GB?

c. Name any two audio or video formats best suited for Internet.d. what are the different types of operators in JavaScript? Also, Explain with an

example the difference between the string operators + and &.e. Define the following terms:

Array Constant Data Types Comments Variable

f. Explain the difference between server side and client side script.2. Activity:

Watch any two of the below mentioned hindi movies: Lunchbox I am Kalam Kite Runner A Wednesday Shahid

After watching, give another suitable title for the movie and also design an eye catching poster for the respective movies and bring print outs for the same.(Note: You may use any software for designing)

3. Project:a. Assuming that your school is organizing an educational fair, design a pamphlet

highlighting the upcoming trends of education in Indian Schools.b. Write the HTML code to generate a webpage in the format given below. Also get

print outs of the same pasted in a file. Consider the following while writing the HTML code:

Background colour of the page should be “Yellow”, text colour should be blue and visited link colour should be “Green”.

Title of the page is “Radio India”. Text colour of main heading on the page should be “Maroon”. Font face of text in the page should be “Arial”. Picture used in the page is the file “music.jpg”. Use the concept of nested list to display the given list. Pages linked to : Film Music as “film.html” Classical Music as “class.html” Sports as “sports.html” The table should have a caption “Listener’s Choice - Top 5", a border of 2 pixels and the background colour of the first row should be “Aqua”.

6. As in today’s world computers are a pre-requisite for a successful career, find out some future prospects in Multimedia and web technology field which suits your personality and aptitude. Students are required to submit it in a file with question.

CHEMISTRY

1. Prepare a project file for the latest research in field of chemistry which changed the whole world along with their researcher information.

2.Solve the NCERT questions of the following chapters in notebooks

(a) Basic concepts of chemistry(b) Environmental chemistry(c) Hydrogen

PHYSICS3. Make a project file for the latest research in field of physics which changed the whole world

along with their researcher’s information.4. Solve the following problems using dimensional analysis:

i ). The density of mercury is 13.6gcm-3 in CGS system find its value in S.I. units.ii ). Find the value of 100 J on a system which has 20cm, 250gm and half minutes as

fundamental unit of length, mass and time.iii ).Unit of force is 1KN, unit of length is 1km and the unit of time is 100s. what will be

unit of mass?

iv ).Find the dimension of a/b in the equation F=a√X+bt2, where x is distance and t is time.

v ). Check the dimensional correctness of V=√(2GM/R).vi ).A planet moves around the sun nearly circular orbit its period of revolution t

depends upon (a) Radius of orbit R, (b) Mass of the sun M, (c) The gravitational constant G.Show dimensionally T2α R3.vii) The frequency of vibration of stretched string depends upon (a) length l, (b) mass per unit length l, (c) the tension in the string T. Obtain expression dimensionally.viii) A small spherical ball of radius r falls with velocity v through a liquid having coefficient of viscosity ἠ. Find the viscous drag f on the ball assuming depends upon ἠ, r and v.

5. Solve the following problem using concept of error analysis.i ). The period of oscillation of a simple pendulum is T=2π√(L/G) measured value of L is

20.0cm known to 1mm accuracy and time for 100 oscillation of pendulum is found to be 90s using a wrist watch of 1s resolution. What is the accuracy in determination of g?

ii ). For a specimen of wire the young’s modulus Y=4mg.L/πd2lWith observations L=2.890m, m=3.00,d 0.082, g-9.81, l=0.087 calculate the maximum percentage error in value of Y .iii) If the heat dissipated in a resistance can be determined by the relation H=I2

RT/4.2 cal. If the maximum error in the measurement of current, resistance and time 1%, 2% and 3% what would be maximum percentage error in heat.iv) The specific resistance σ of a wire of radius r cm, resistance RΩ is given by σ=πr2R/L, IF r=0.26±0.02, R= 32±1Ω. L=78±0.01 cm find the percentage error.

BIOLOGY

ENGINEERING GRAPHICS

ENTREPRENEURSHIPCollect the information about 2 women and 2 men entrepreneur’s success

stories.-Project should be done in a folder-Enrich the project with pictures, news, profiles of the entrepreneurs.

PAINTING Object drawing: place an object and draw and color with different medium MAKE FIVE:

Composition: choose any topic and paint and draw show with minimum five human figures in the composition.