GRADE XII (HOLIDAYS HOMEWORK 2018-19)

ENGLISH

I. Read 1-14 chapters of the novel ‘The Invisible Man’ and answer the following questions in about

150-200 words:

a) Delineate the character sketch of Griffin.

b) Describe the events that made invisibility an attractive proposition for Griffin. What

preparations did he make before he made himself invisible?

II. Write in about 200 words the contribution of H.G.Wells to Science Fiction.

III. Paste an article in your notebook from a National Daily and write a summary in about 100

words.

IV. Watch the movie ‘The Invisible Man’ and ‘Time Machine’ based on novels written by H.G.Wells.

ACCOUNTANCY Prepare Comprehensive Project (Journal, Ledger, Trial Balance, Trading & Profit & Loss A/c and Balance Sheet) ECONOMICS

1. Central Bank-Functions and Credit control measures (Roll No. 1 to 5)

2. Forms of Market (Roll No. 6 to 10)

3. Impact of Digital India in India’s Economic growth (Roll No. 11 to 15)

4. Cost function and cost curves (Roll No. 16 to 20)

5. Government Budget and its component (Roll No. 21 to 27)

MATHEMATICS Assignment Attached. BIOLOGY 1. Make a project file of the topic assigned to you.

2. Complete your practical file as discussed in the class.

CHEMISTRY

1. Make a project file on the topic assigned to you.

2. Complete your practical file as discussed in the class.

PHYSICS

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Complete your NCERT back exercise of chapter 1 and 2.

BUSINESS STUDIES Assignment Attached.

PSYCHOLOGY 1. Differentiate between:

a) Personal and social Identity

b) Self as a subject and an object

2. “Reema is a 17 yrs old girl who is obese and is not able to have a control over her

diet.” What tips would you give her to monitor her behavior for self control?

3. “Ravi is a 25 yrs old youth who possesses high motivation, lacks patience, feels short of time

& is always pressured by work”.

a) Which type of personality do you think Ravi is possessing?

b) What are the other types of personality that may exist?

c) Name the psychologists who have given these types of Personality?

4. Name the psychologists who worked with Freud but later separated and developed their own

theories?

5. Using Allport’s theory, Identify the various types of traits in the given situation. Explain

them in detail.

“Supriya is a very warm and friendly girl who is often known as the FLORENCE NIGHTINGALE of

the class. She is a very traditional girl who always prefers to wear Indian or ethnic clothes. She hates the

western culture especially the trend of going to parties and discotheque.”

6. Identify and define the Defense mechanisms given below:

a) “A student having a strong desire to cheat in the exam is not able to do so because of the

strong revolt by the conscious within. So he suspects that the other classmates might be cheating.

b) A boy who was reared to believe that sex is evil and dirty may become anxious every

time sexual feelings surge to the surface. So in order to defend against the anxiety, he joined the

groups against sex in media.

c) A tense father who had troubles in office gave a harsh beating.

7. Name the following

a) 3 individual tests

b) 3 group tests

c) 3 verbal tests

d) 3 non verbal tests

e) 3 performance test

f) 3 aptitude tests

g) 5 intelligence test

h) 5 intelligence test for which Indian norms have been developed

i) Any 4 intelligence tests developed in India

8. How is Psychometric approach different from information processing approach?

9. “Roma is a 10 years old girl how has an exceptional general ability which can be seen in

wide variety of areas”

a) Which ability is been discussed here?

b) Explain its important characteristics in detail?

10. Explain the concept of 4 Ds.

11. Give the full forms of:

(i) DSM IV

(ii) ICD 10

iii) GABA

(iv) PTSD

(v) OCD

(vi) ADHD

(vii) ODD

(viii) SAD

12. What is diathesis-stress model?

13. Define the term ‘psychotherapy’. Explain its goals.

14. Discuss the following behaviour therapies:

1) Negative reinforcement

2) Aversive conditioning

3) Positive reinforcement

4) Token economy

5) Principle of reciprocal inhibition

15. Write short notes on the following cognitive therapies:

1) Rational emotive therapy

2) Cognitive therapy by Beck

3) Cognitive Behaviour therapy

16. Write short notes on Humanistic-Existential Therapy:

1) Existential therapy

2) Client-centered therapy

3) Gestalt therapy

INFORMATICS PRACTICES Assignment Attached.

POLITICAL SCIENCE Assignment Attached.

PHYSICAL EDUCATION 1 Revise Unit I and II

2 Complete Practical’s in your Manual files, mentioned below.

Practical-1 Modified AAHPER administration for all items.

Practical-3 Procedure for Asanas, Benefits & Contraindication for any two Asanas for each lifestyle disease.

Practical-4 Any one game of your choice out of the below given list . Labeled diagram of field & equipment (Rules

,Terminologies & Skills)

Athletics (mandatory) Basketball, Football ,Handball ,Hockey , Kho-Kho ,Rifle Shooting, Volleyball and Unified

Basketball[CWSN(children with special need-Divyang )]

Subject: Business Studies Assignment Grade XII (HOLIDAYS HOMEWORK 2018-19)

Project: Principles of Management The students are required to visit any one of the following: 1. A departmental store. 2. An Industrial unit. 3. A fast food outlet. 4. Any other organisation approved by the teacher.

They are required to observe the application of the general Principles of management advocated by Fayol.

Fayol’s principles 1. Division of work. 2. Unity of command. 3. Unity of direction. 4. Scalar chain 5. Espirit de corps 6. Fair remuneration to all. 7. Order. 8. Equity. 9. Discipline 10. Subordination of individual interest to general interest. 11. Initiative. 12. Centralisation and decentralisation. 13. Stability of tenure. OR They may enquire into the application of scientific management techniques by F.W. Taylor in the unit visited. Scientific techniques of management. 1. Functional foremanship. 2. Standardisation and simplification of work. 3. Method study. 4. Motion Study. 5. Time Study. 6. Fatigue Study 7. Differential piece rate plan. OR Project: Marketing 1. Adhesives 2. Air conditioners 3. Baby diapers

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4. Bathing Soap 5. Bathroom cleaner 6. Bike 7. Blanket 8. Body Spray 9. Bread 10. Breakfast cereal 11. Butter 12. Camera 13. Car 14. Cheese spreads 15. Chocolate 16. Coffee 17. Cosmetology product 18. Crayons 19. Crockery 20. Cutlery 21. Cycle 22. DTH 23. Eraser 24. e-wash 25. Fairness cream 26. Fans 27. Fruit candy 28. Furniture 29. Hair Dye 30. Hair Oil 31. Infant dress 32. Inverter 33. Jams 34. Jeans 35. Jewellery 36. Kurti 37. Ladies bag 38. Ladies footwear 39. Learning Toys 40. Lipstick 41. Microwave oven 42. Mixers 43. Mobile 44. Moisturizer 45. Music player 46. Nail polish 47. Newspaper 48. Noodles 49. Pen 50. Pen drive 51. Pencil 52. Pickles 53. Razor 54. Ready Soups 55. Refrigerator 56. RO system 57. Roasted snacks 58. Salt

59. Sarees 60. Sauces/ Ketchup 61. Shampoo 62. Shaving cream 63. Shoe polish 64. Shoes 65. Squashes 66. Suitcase/ airbag 67. Sunglasses 68. Tea 69. Tiffin Wallah 70. Toothpaste 71. Wallet 72. Washing detergent 73. Washing machine 74. Washing powder 75. Water bottle 76. Water storage tank 77. Wipes Identify one product/service from the above which the students may like to manufacture/provide [pre-assumption]. Now the students are required to make a project on the identified product/service keeping in mind the following: 1. Why have they selected this product/service? 2. Find out ‘5’ competitive brands that exist in the market. 3. What permission and licences would be required to make the product? 4. What are your competitors Unique Selling Proposition.[U.S.P.]? 5. Does your product have any range give details? 6. What is the name of your product? 7. Enlist its features. 8. Draw the ‘Label’ of your product. 9. Draw a logo for your product. 10. Draft a tag line. 11. What is the selling price of your competitor’s product?

(i) Selling price to consumer (ii) Selling price to retailer (iii) Selling price to wholesaler What is the profit margin in percentage to the Manufacturer.

Wholesaler. Retailer. 12. How will your product be packaged? 13. Which channel of distribution are you going to use? Give reasons for selection? 14. Decisions related to warehousing, state reasons. 15. What is going to be your selling price?

(i) To consumer (ii) To retailer (iii) To wholesaler

16. List 5 ways of promoting your product. 17. Any schemes for

(i) The wholesaler (ii) The retailer (iii) The consumer

18. What is going to be your ‘U.S.P? 19. What means of transport you will use and why? 20. Draft a social message for your label. 21. What cost effective techniques will you follow for your product. 22. What cost effective techniques will you follow for your promotion plan.

At this stage the students will realise the importance of the concept of marketing mix and the necessary decision regarding the four P’s of marketing. Product Place Price Promotion On the basis of the work done by the students the project report should include the following: 1. Type of product /service identified and the (consumer/industries) process involve there in. 2. Brand name and the product. 3. Range of the product. 4. Identification mark or logo. 5. Tagline. 6. Labeling and packaging. 7. Price of the product and basis of price fixation. 8. Selected channels of distribution and reasons thereof. 9. Decisions related to transportation and warehousing. State reasons. 10. Promotional techniques used and starting reasons for deciding the particular technique. 11. Grading and standardization.

Subject: Informatics Practices Assignment Grade XII

(HOLIDAYS HOMEWORK 2018-19)

1. Compare the following

(1) if and a ? : Operator. (2) while and do.. while loop

2. Given the following code fragment: if (a==0) System.out.print ln (“Zero”); if (a==1) System.out.print ln (“One”); if (a==2) System.out.print ln (“Two”); if (a==3) System.out.print ln (“Three”);

Write an alternative code that saves on number of comparisons. 3. Rewrite the following fragment using switch:

if (ch== ‘E’) eastern++ ; if (ch== ‘W’) western++ ; if (ch== ‘N’) northern++ ; if (ch== ‘S’) southern++ ; else

unknown++ ; 4. Write the syntax and purpose of a switch statement. 5. When does an if statement prove more advantageous over a switch statement?

6. Why is it suggested to put a break statement after the last case statement in a switch even though it is not needed syntactically?

7. Rewrite the code given in question 3 using switch?

8. Rewrite the following set of if-else statements in terms of switch-case statements : (a) char code ;

code = character.readChar(); if (code == ‘A’) System.out.print ln (“Accountant”); else if (code == ‘C’ ll code == ‘G’) System.out.print ln (“Grade IV”); else if (code == ‘F’) System.out.print ln (“Financial Advisor”);

(b) int inputnum, calcval; If (inputnum == 5) { calcval = inputnum * 25 – 20 ;

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System.out.print ln (inputnum + calcval); } else if (inputnum ==10) { calcval = inputnum * 25 – 20

System.out.print ln (calcval – inputnum); }

9. How many times are the following loops executed?

(a) x = 5 ; y = 50 ; (b) int m = 10, n= 7; while(x <= y) { while(m % n >= 0) { x = y/x ; . . . . . . . . . . . . . . . . . . . m = m + 1; } n = n + 2; . . . . . . . . . . . . . }

10. Given the following code fragment : i = 100 ; while (i > 0) System.out.print ln( I - - ); System.out.print ln(“Thank you”); Rewrite the above code using a do…while loop.

11. Rewrite the following code using while loop

int sum = 0; for (int i = 1 ; i <= 5 ; ++i) { sum = sum + c; }

12. Rewrite following while loop into a for loop

int stripes = 0; while (stripes <= 13) { if (stripes %2 == 2) { System.out.print ln(“Colour code Red”); } else { System.out.print ln(“Colour code Blue”); } System.out.print ln(“New Stripe”); stripes = stripes + 1; }

13. Rewrite following code using either while or do-while loop or both loops. for (int i = 1 ; i < 4 ; ++i) { for (int j = 3 ; j > 0 ; --j) { System.out.print(“### . .”); } System.out.print ln(); }

14. Find the output of the following code fragments?

(a) int s = 14; (b) int s = 14; if(s<20) if(s<20) System.out.print(“Under”); System.out.print(“Under”);

Subject: Mathematics Assignment Grade XII

(HOLIDAYS HOMEWORK 2018-19)

1. 𝐼𝑓 𝑥 = 𝑎𝑠𝑖𝑛2𝑡(1 + 𝑐𝑜𝑠2𝑡) 𝑎𝑛𝑑 𝑦 = 𝑏𝑐𝑜𝑠2𝑡(1 − 𝑐𝑜𝑠2𝑡), 𝑠ℎ𝑜𝑤 𝑡ℎ𝑎𝑡 𝑑𝑦

𝑑𝑥|𝑎𝑡 𝑡 =

𝜋

4=

𝑏

𝑎

2. 𝐼𝑓 𝑎𝑥2 + 2ℎ𝑥𝑦 + 𝑏𝑦2 + 2𝑔𝑥 + 2𝑓𝑦 + 𝑐 = 0, 𝑡ℎ𝑒𝑛 𝑠ℎ𝑜𝑤 𝑡ℎ𝑎𝑡 𝑑𝑦

𝑑𝑥.

𝑑𝑥

𝑑𝑦= 1

3. 𝐼𝑓 𝑥 = 𝑒𝑥

𝑦⁄ , 𝑝𝑟𝑜𝑣𝑒 𝑡ℎ𝑎𝑡 𝑑𝑡

𝑑𝑥=

𝑥−𝑦

𝑥 log 𝑥

4. 𝐼𝑓 𝑦 = (𝑐𝑜𝑠𝑥)(𝑐𝑜𝑠𝑥)(𝑐𝑜𝑠𝑥)…∞

, 𝑠ℎ𝑜𝑤 𝑡ℎ𝑎𝑡 𝑑𝑦

𝑑𝑥=

𝑦2𝑡𝑎𝑛𝑥

𝑦𝑙𝑜𝑔(𝑐𝑜𝑠𝑥)−1

5. 𝐼𝑓 𝑥𝑠𝑖𝑛 (𝑎 + 𝑏) + sin 𝑎 cos(𝑎 + 𝑦) = 0, 𝑝𝑟𝑜𝑣𝑒 𝑡ℎ𝑎𝑡 𝑑𝑦

𝑑𝑥=

sin2 (𝑎+𝑦)

𝑠𝑖𝑛𝑎

6. I𝑓 √(1 − 𝑥2) + √(1 − 𝑦2) = 𝑎(𝑥 − 𝑦), 𝑝𝑟𝑜𝑣𝑒 that 𝑑𝑦

𝑑𝑥= √(

1−𝑦2

1−𝑥2)

7. 𝐼𝑓 𝑦 = (𝑥 + √𝑥2 + 𝑎2))𝑛, 𝑡ℎ𝑒𝑛 𝑝𝑟𝑜𝑣𝑒 𝑡ℎ𝑎𝑡 𝑑𝑡

𝑑𝑥=

𝑛𝑦

√(𝑥2+𝑎2)

8. 𝑃𝑟𝑜𝑣𝑒 𝑡ℎ𝑎𝑡 𝑑

𝑑𝑥[

𝑥

2√(𝑎2 − 𝑥2) +

𝑎2

2 𝑠𝑖𝑛−1 𝑥

2] = √𝑎2 − 𝑥2

9. 𝐷𝑖𝑓𝑓𝑒𝑟𝑒𝑛𝑡𝑖𝑎𝑡e 𝑦 = 𝑡𝑎𝑛−1 (√1+𝑠𝑖𝑛𝑥+√1−𝑠𝑖𝑛𝑥

√1+𝑠𝑖𝑛𝑥)+√1−𝑠𝑖𝑛𝑥)) , 0 < 𝑥 < 𝜋 𝑤𝑖𝑡ℎ 𝑟𝑒𝑠𝑝𝑒𝑐𝑡 𝑡𝑜 𝑥

10. 𝐼𝑓, 𝑦 = 𝑠𝑖𝑛−1 [𝑥√(1 − 𝑥) − √𝑥 (1 − 𝑥2)] 𝑎𝑛𝑑 0 < 𝑥 < 1, 𝑡ℎ𝑒𝑛 𝑓𝑖𝑛𝑑 𝑑𝑦

𝑑𝑥

11. 𝐼𝑓 𝑦 = 𝑐𝑜𝑠−1 (2𝑥−3√(1−𝑥2)

√13) , 𝑓𝑖𝑛𝑑

𝑑𝑦

𝑑𝑥

12. 𝐼𝑓 𝑦 = 𝑥𝑙𝑜𝑔 (𝑥

𝑎+𝑏𝑥) , 𝑝𝑟𝑜𝑣𝑒 𝑡ℎ𝑎𝑡 𝑥3 𝑑2𝑦

𝑑𝑥2 = (𝑥𝑑𝑦

𝑑𝑥− 𝑦)

2

13. 𝑖𝑓 𝑥 = 𝑎(𝑐𝑜𝑠𝜃 + 𝜃𝑠𝑖𝑛𝜃), 𝑦 = 𝑎(𝑠𝑖𝑛𝜃 − 𝜃𝑐𝑜𝑠𝜃), 𝑝𝑟𝑜𝑣𝑒 𝑡ℎ𝑎𝑡 𝑑2𝑦

𝑑𝑥2 =𝑠𝑒𝑐3𝜃

𝑎𝜃

14. 𝐼𝑓 𝑦 = [log (𝑥 + √(𝑥2 + 1))]2

, 𝑠ℎ𝑜𝑤 𝑡ℎ𝑎𝑡 (1 + 𝑥2)𝑑2𝑦

𝑑𝑥2 + 𝑥𝑑𝑦

𝑑𝑥= 2

15. 𝐹𝑖𝑛𝑑 𝑑2𝑦

𝑑𝑥2 , 𝑤ℎ𝑒𝑟𝑒 𝑦 = 𝑙𝑜𝑔 (𝑥2

𝑒2)

16. 𝐼𝑓 𝑦 = log(1 + 𝑐𝑜𝑠𝑥) , 𝑝𝑟𝑜𝑣𝑒 𝑡ℎ𝑎𝑡 𝑑3𝑦

𝑑𝑥3 +𝑑2𝑦

𝑑𝑥2 .𝑑𝑦

𝑑𝑥= 0

17. 𝐼𝑓 𝑦 = 𝑐𝑜𝑠𝑒𝑐−1𝑥, 𝑥 > 1, 𝑡ℎ𝑒𝑛 𝑠ℎ𝑜𝑤 𝑡ℎ𝑎𝑡 𝑥(𝑥2 − 1)𝑑2𝑦

𝑑𝑥2 + (2𝑥2 − 1)𝑑𝑦

𝑑𝑥= 0 Evaluate

1 1 sin 1 sincot [0, ]

1 sin 1 sin

x xx

x x

.

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18. Find the simplest form of 1 3 4cos cos sin

5 5x x

.

19. Prove that 1 1 sin .cos

2 tan tan tan tan2 4 2 cos sin

.

20. If 1 1 1cos cos cosx y z prove that

2 2 2 2 1x y z xyz .

21. Solve 1 12 tan (sin ) tan (2sec )2

x x x .

22. Simplify 1 13sin 2 1tan tan tan ,

5 3cos 2 4 2 2

.

23. If 1 1 1cos cos cos 3x y z find the value of xy yz zx .

24. Solve 1 2 1 2 1 3 3(sin ) (sin ) (sin )

2x y z

find 2 2 2x y z .

25. Find the value of 1 1 12 2 2

tan tan tanas bs cs

bc ca ab

where , ,a b c R and 2

a b cS

.

26. If x y z xyz and , , 0x y z then find the value of 1 1 1tan tan tanx y z .

27. Solve 2 2

1

2 2

1 1tan

1 1

x x

x x

.

28. Find the value of 1 1 1 11 1 1 1tan tan tan tan ........... tan

3 7 13 381

.

29. If 2 2 2 2

1 1 1 1

x y z r find the value of 1 1 1tan tan tan

xy yz xz

zr xr yr

.

30. If 1 1 1sin sin sinx y z then prove that 4 4 4 2 2 2 2 2 2 2 2 24 2( )x y z x y z x y y z z x .

31. Solve 1 1 1sin cos sin (3 2)x x x .

32. Solve 1 1 1 12sin sin , cos cos

3 3x y x y

.

Subject: POLITICAL SCIENCE Assignment Grade XII (HOLIDAYS HOMEWORK 2018-19)

Q1. Define SEFTA.

Q2. Describe India’s relations with Pakistan.

Q3. Describe India’s role in SAARC.

Q4. Write a short note on panchsheel. What are the principles of panchsheel?

Q5. Write a short note on India Sri Lanka treaty on 1987.

Q6. Briefly discuss India’s relations with Nepal.

Q7. Name the member countries of SAARC.

Q8. Name the countries generally included in south Asia.

Q9. Mention the full forms of 1. SAARC 2. SAFTA. What are the basic reason for the formation of SAARC.

Q10. Write a short note on ‘Kargil Conflict’ between India and Pakistan.

Q11. What are the functions of Security Council?

Q12. As a citizen of India, how would you support India’s candidature for the permanent membership of the

Security Council? Justify your proposal.

Q13. What are the aims of U.N.O ?

Q14. Write a note on World Bank.

Q15. India’s role in the establishment of international peace and security.

Q16. When was United Nations organisations established?

Q17. How many judges are there in international court of justice? How are they elected?

Q18. What are the main functions of the international court of justice?

Q19. What is meant by cold war?

Q20. Write a short note on general assembly of U.N.O.

Q21. Write a short note on International Atomic Energy Agency (IAEA).

Q22. Write a short note on International Monetary Fund (I.M.F.).

Q23. What steps should be taken to strengthen the U.N.O.?

Q24. How is Secretary General of U.N.O. elected? Describe its functions.

Q25. What are the Human Rights?

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