GRADE XI (HOLIDAYS HOMEWORK 2017-18)

ENGLISH

Read the novel ‘The Canterville Ghost’and write the answers of the following questions–

1. How was Sir Simon finally laid to rest?

2. Ghost is the pivotal character of the story. Discuss.

3. Bring out the supernatural elements in the story ‘The Canterville Ghost.’

Note Present your work on ruled sheets.

ACCOUNTANCY

1) ‘Project Work’Collection of source documents, preparation of vouchers, recording of transactions with the help of vouchers.

2) Assignment Attached. ECONOMICS Assignment Attached.

II- Project work:-

Each student is advised to prepare a project file highlighting the following issues of the Indian economy.

Roll No (1-9)

Education

Unemployment

Roll No (10-19)

Health

Demonetisation

Roll No (20-27)

Poverty

Agriculture and rural development

NOTE: - The topic selected should focus on previous status, present scenario and suggestions for the

future.

MATHEMATICS Assignment Attached.

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BIOLOGY

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

2. Complete your experiment no.1 to 3 and spotting slides no. 1 to 5 in your practical file.

CHEMISTRY

1. Complete the worksheet given to you (Worksheet attached).

2. Complete your NCERT back exercise of chapter 2

PHYSICS

Complete your NCERT back exercise of chapter 1 and 2.

BUSINESS STUDIES PROJECT: Visit a sole proprietorship enterprise and a partnership firm. Study various aspects of business in the two

organisations, like capital contribution, decision making, nature and size of business, advantages of the business

form adopted by them, expansion plans, etc. Prepare a report on the basis of your analysis and discuss if the present

form of organization is suitable or not.

Assignment Attached.

POLITICAL SCIENCE Assignment Attached.

PSYCHOLOGY Assignment Attached.

For the Project file; Watch any film or read a book depicting a psychological disorder /learning

disability

Each student needs to cover the given parameters; causes, effects, prognosis and management of the

same. Also answer the following questions:

1) Trace the concept of abnormality in selected piece.

2) Briefly explain the disorder/disability depicted in the film /book

3) What are the symptoms of the disorder? How effectively was the character able to emote these

characteristics?

4) How was the manifestation of the disorder/disability shown in the movie?

Few recommended movies-

“Karthik calling Karthik, “My Name Is Khan”, “Rain Man”, “A Beautiful Mind”, “As Good as it Gets”,

“Fracture”, “Three faces of Eve”, “K-Pax”, “Vertigo”;

Books: “The Invisible Plague”, “The Rise and Fall of Mental Illness from1750 to the Present” by Torrey E.F

.and Miller, “The curious Incident of the Dog in the Night-Time” by Mark Haddon, “A Child called IT”- by

Dave Pelzer.

INFORMATICS PRACTICES Assignment Attached.

Subject: Accountancy Assignment Grade XI (HOLIDAY HOMEWORK 2017-18)

Q.1) Mr R started business as on 1st April 2011 with a capital of ` 1,50,000. During the year the following

transactions took place:

1. Furniture purchased for cash 20000

2. Purchased goods from Mahesh on credit. `25,000

3. Sold goods (costing ` 10,000) to Mohan for cash 14,000

4. Additional Capital introduced 20,000

5. Commission received in advance 2,000

6. Paid to creditor (Mahesh) ` 22,500 in full settlement.

7. Sold goods (costing ` 15,000) for ` 18,000 out of which ` 5,000 received in cash.

8. Depreciation on Furniture provided @ 10%.

Q.2)Pass journal entries for the followings

1. Raghu started business with cash `80,000, goods ` 40,000 and furniture ` 20,000.

2. Sold goods to Shyam of the list price ` 20,000 at trade discount of 10%.

3. Paid rent ` 800, Trade expenses ` 400and travelling expenses ` 500.

4. Paid into bank for opening a current account ` 25,000.

5. Bought goods from Kamal for ` 20,000 at a trade discount of 10% and Cash discount of 2%. Paid

60% amount immediately.

6. Received from Shyam full amount at 5% discount.

7. Salary due to clerk ` 10,000.

8. Charge interest on drawings ` 800.

9. Received ` 4,000 from Suhas, which were written off as bad debt in previous year.

10. Total rent paid this year ` 40,000, @ ` 3,000 per month.

11. Loan taken for Car for office use ` 1,00,000.

12. Paid installation charges on machinery ` 1,000.

13. Goods purchased ` 30,000, carriage paid on them ` 3,000.

14. Provide interest on capital @ 6%.

15. Goods costing ` 1,000 given as charity, ` 2,000 used by proprietor for his personal use,

` 2,000 distributed as free samples.

16. Loan repaid ` 20,000, being ` 12,000 as interest and ` 8,000 as principal amount.

17. Rahul who owed us ` 12,000 becomes insolvent and a first and final dividend of 60 paise in a

rupee is received from his estate.

18. Goods lost in an accident worth `15,000. These were insured and insurance company admitted a

claim of ` 12,000 only.

19. Proprietor withdrew for private use ` 4,000 from office and ` 6, 000 from bank.

20. Received cash for dividend on securities ` 200

21. Purchased land and a small office building. The land was worth ` 1,50,000 and the building worth

` 3, 50,000. The purchase price was paid with ` 3,00,000 cash and bills payable for

` 5,00,000.

22. Purchase new office equipment worth `1,00,000 by paying ` 93,000 cash and balance in exchange

of old equipment (book value `15,000) with a recorded value of ` 7,000.

23. Charge depreciation @ 10% p.a. for two months on machine costing ` 30,000.

24. Commission received in advance ` 7,000.

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25. Cash invested in shares ` 50,000, brokerage paid 2%.

Q.3) 1. Cash sales ` 20, 000.

2. Deposited into bank ` 15, 000.

3. Purchased goods for cash ` 10, 000.

4. Paid trade expenses by cheque ` 5, 000.

5. Discounted a B/E of ` 2, 000 with bank at a discount of 2%.

6. Ramesh who owed us ` 5, 000 became bankrupt and paid us 60 paisa in a rupee.

7. Withdrew from bank `1, 000.

8. Received a cheque of `4, 000 from Rajesh.

9. Rajesh’s cheque deposited into bank.

10. Honoured our own acceptance of ` 5, 000.

11. Received a cheque of ` 12, 000 from Shiva.

12. Shiva’s cheque endorsed in favour of Vishay.

13. Rajesh’s cheque returned dishonoured.

14. Withdrew from bank for personal use `1, 200.

15. Received a repayment of loan of `10, 000 and deposited 6,000 out of it into bank.

16. Bank charges as per pass book `150.

17. Withdrew goods for private use worth ` 4, 500.

18. Furniture purchased ` 7, 000.

19. Deposited into bank balance of cash in excess of `11, 000.

Subject: Business Studies Assignment Grade XI

(HOLIDAYS HOMEWORK 2017-18)

1. “It includes all those industries, which are engaged in processing of raw materials to produce finished

goods.” Identify the type of industry and describe its various types.

2. “Bearing of risk is the essential element of the business.” Explain the statement and give the causes of

business risk.

3. “Ashok is the manager of a mobile company.” Identify the type of economic activity. Also differentiate it with

profession.

4. “Auxiliaries to business activities are indispensable.” Discuss the statement.

5. “Although a company is an artificial person, it can still own property and enter into contracts.” Defend or

refuse the statement.

6. “The business organization should have stability and continuity.” Identify the type of business org. Also give

the advantages of this type of business organization.

7. In which type of business organization, is a trade agreement made by one owner binding on others? Give

reasons to support your answer.

8. How does a cooperative society exemplify democracy and secularism?

9. Is Profit the Sole objective of Business? Justify your answer.

10. What are the consequences, if preliminary contracts are not ratified by the shareholders?

11. A company raises funds from the public to meet its financial requirements. Explain the steps required to

raise funds from public.

12. A private company is superior to a public company. Discuss this statement in the light of privileges of a

private company.

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Subject: Economics HOLIDAYS HOMEWORK Grade –XI ASSIGNMENT

I - Do the following questions.

Q1:- Construct the multiple bar diagram to represent the following data:

Year: 2003 2004 2005 2006 2007

Import (Cr. `): 80 89 149 145 170

Export (Cr. `): 72 93 150 165 150

Q2:- Construct the multiple bar diagram to represent the following data:

Year: 2003 2004 2005 2006 2007

Export (Cr. `): 60 75 80 82 86

Import (Cr. `): 55 65 85 75 80

Q3:- Construct a sub-divided bar diagram for the following data:

Year Production (in million tons)

Wheat Cotton Rice Total

2006 13 10 7 30

2007 15 12 8 35

Q4:- Construct a sub-divided bar diagram for the following data:

Year Production (in million tons)

Wheat Rice Cotton Total

2005 16 14 10 40

2006 18 10 8 36

2007 20 15 10 45

Q5:- Represent the following data with help of a pie diagram:

Items of expenditure Amount Spent (in `)

Food Clothing

House Rent Fuel and lighting

Miscellaneous

20 10 25 35 10

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Q6:- The total expenditure on food per month of 30 households is as follows:

115 159 196 205 212 223

256 271 310 129 335 169

184 234 245 241 265 298

144 135 172 173 229 243

220 238 278 243 220 238

Make a frequency distribution (tally bar) when the class interval is of this type 100-150, 150-200 etc.

Subject: Informatics Practices Assignment Grade XI (HOLIDAY HOMEWORK 2017-18)

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Subject: Mathematics Assignment Grade XI (HOLIDAY HOMEWORK 2017-18)

Q1. If 1 2

1 2

12

z z

z z

and if 2 1z , Prove that 2 2z

Q2. Prove that B A if A.=BA

Q3. Prove that ABBC CA .

Q4. Prove that ).()()( CABACBA

Q5. Prove that ).()()( CABACBA

Q6. Prove that

(i) )()()(A CBCACB .

(ii) ).()()( CABACBA

Q7. Prove that ABAB C )()(A .

Q8. Prove that ).()()()( BABAABBA

Q9. Prove that ABBA )( if AB .

Q10. If CB A and BA ,then BC A .

Q11. Prove that )()()(A CABACB by using properties of sets.

Q12. Prove that CCAA )( .

Q13. Shade the following sets:

(i) )(' CBA

(ii) )(' BCA Or

Draw Venn Diagram of sets given in (i) and (ii).

Q14. In a group of 50 persons, 14drink tea but not coffee and 30 drink tea. Find:

(i) How many drink tea and coffee both;

(ii) How many drink coffee but not tea.

Q15. For certain test, a candidate could offer English or Hindi or both the subjects. Total number of

students was 500 , of whom 350 appeared in English and 90 in both the subjects. Use set operations

to show:

(i) How many appeared in English only?

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(ii) How many appeared in Hindi?

(iii) How many appeared in Hindi only?

Q16. (i) In a group of people, 50 speak both English and Hindi and 30 people speak English but not

Hindi. All the people speak at least one of the two languages. How many people speak

English?

(ii) In a survey of 100 persons it was found that 28 read magazine A, 30 read magazines B, 42

read magazine 8 C, read magazines 10 B, andA read magazines 5 C, andA read magazines

3 and C and B read all the three magazines. Find:

(a) How many read none of the three magazines?

(b) How many read magazine C only?

Q17. In a town of 10,000 families it was found that 40% family buy newspaper 20% A, families buy

newspaper 10% and B families buy newspaper 5% C, families 3% B, andA buy 4% and C and B buy

C. andA If 2% families buy all the three newspapers, find the number of families which buy (i) A

only (ii) B only (iii) none of C. and B A,

Q18. A survey of 500 television viewers produced the following information; 285 watch football, 195

watch hockey, 115 watch basketball, 70 watch football and hockey, 50 watch hockey and basketball,

50 do not watch any of three games. How many watch all the three games? How many watch exactly

one of the three games?

Q19. In a survey of 25 students, it was found that 15 had taken mathematics, 12 had taken physic and 11

had taken chemistry, 5 had taken mathematics and chemistry, 9 had taken mathematics and physics,

4 had taken physics and chemistry and 3 had taken all the three subjects. Find the number of students

that had taken:

(i) Only chemistry (ii) only mathematics (iii) only physics (iv) physics and chemistry but not

mathematics (v) mathematics and physics but not chemistry (vi) only one of the subjects (vii)

at least one of the three subjects (viii) none of the three subjects.

Q20. In a survey of 100 students, the number of students, studying the various 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.

(i) How many students were studying Hindi?

(ii) How many students were studying English and Hindi?

Q21. In a survey of 400 students in a school, 100 were listed as drinking apple juice, 150 as drinking

orange juice and 75 were listed as both drinking apple as well as orange juice. Find how many

students were drinking neither apple nor orange juice?

Q22. There are 20 students in a chemistry class and 30 students in a physics class. Find the number of

students which are either in physics class or chemistry class in the following cases:

(i) Two classes meet at the same hour.

(ii) The two classes meet at different hours and ten students are enrolled in both the courses.

Q23. In a class of 25 students, 12 have taken mathematics, 8 have taken mathematics but not biology. Find

the number of students who have taken both mathematics and biology and the number if those who

have taken biology but not mathematics. Each student has taken either mathematics or biology or

both.

Q24. Out of 100 students; 15 passed in English, 12 passed in Mathematics, 8 in Science, 6 in English and

Mathematics, 7 in Mathematics and Science; 4 in English and Science; 4 in all the three. Find how

many passed

(i) In English and Mathematics but not in Science.

(ii) In Mathematics and Science but not in English.

(iii) In Mathematics only.

(iv) In more than one subject only.

Q25. In a survey of 200 students of a school, it was found that 120 study Mathematics, 90 study Physics

and 70 study Chemistry, 40 study Mathematics and Physics, 30 study Physics and Chemistry, 50

study Chemistry and Mathematics and 20 none of these subjects. Find the number of students who

study all the three subjects.

Q26. In a town of 10,000 families it was found that 40% family buy newspaper 20% A, families buy

newspaper 10% and B families buy newspaper 5% C, families 3% B, andA buy 4% and C and B buy

C. andA If 2% families buy all the three newspapers, find

(a) The number of families which buy newspaper A only.

(b) The number of families which buy none of A, B and C.

Q27. In a group of students, the number of students studying French, English, Sanskrit were found to be as

follows:

French=17, English=13, Sanskrit=15

French and English=09, English and Sanskrit=4

French and Sanskrit=5, English, French and Sanskrit=3. Find the number of students who study

(i) French only

(ii) English only

(iii) Sanskrit only

(iv) English and Sanskrit but not French

(v) French and Sanskrit but not English

(vi) French and English but not Sanskrit

(vii) At least one of the three languages

(viii) None of the three languages

Q28. If z x iy , 1

3z a ib and

2 2x yK a b

a b , then find K.

Q29. Let Z be a complex number satisfying the equation 2 (3 ) 2 0z i z m i wherem R . Suppose

the equation has real root, find the non-real root.

Q30. Find the complex number z satisfying 2Re 0z z & 3z .

Q31. If 1w and

1 izw

z i

then show that z is purely real.

Q32. If x a bi is a complex number such that 2 3 4x i , and

3 2 11x i , then find a+b.

Q33. What is polar form of 3

25z i

Q34. Evaluate 13

1

1

n n

n

i l n N

Q35. If

3 31 1

1 1

i ix iy

i i

, find (x,y)

Q36. If 1

2z , show that

3 3(1 )

4i z iz

Q37. If 3

2 cos sinx iy

i

P.T.

2 2 4 3x y x

Q38. Show that the polynomial 4 4 1 4 2 4 3l m n px x x x is divisible by

3 2 1x x x , , ,l m n p N

Q39. Show that 2 2 2 2

1 2 1 2 1 21 1 1z z z z z z

Q40. For any two non-zero complex numbers z1 and z2 prove that 1 21 2 1 2

2 2

2z z

z z z zz z

Subject: Political Science Assignment Grade XI

(HOLIDAYS HOMEWORK 2017-18)

Q.1 Write a detailed note on Fundamental Rights given to Indian Citizens according to Indian

Constitution.

Q.2 Explain Election Procedure in India.

Q.3 Suggest any five electoral reforms for free and fair elections.

Q.4 Explain Directive Principles of state polity.

Q.5 Describe Fundamental Duties.

Q.6 Why rights are not absolute?

Q.7 Write a life sketch of Aristotle and Plato.

Q.8 Write the composition of Lok Sabha and Rajya Sabha.

Q.9 Write the scope of Political Science in detail.

Q.10 Write the Preamble of Indian Constitution on A 4 size sheet.

Q.11 Make a collage of the members of Constituent Assembly of India on Chart paper.

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Subject: Psychology Assignment Grade XI (HOLIDAYS HOMEWORK 2017-18)

1. What are the various opportunities that a person from the Psychology background has to build up

his career?

2. Differentiate between:

(a) Functionalism and structuralism

(b) behaviourism and gestaltist

3. Differentiate between clinical and counselling Psychology?

4. ‘Psychology refers to the scientific study of human behaviour.’ Explain the nature of Psychology by

giving examples

5. Define the following terms: (a) objectivity (b) sample (c) data (d) population (e) hypothesis

6. Differentiate between:

(a) Naturalistic and controlled observation

(b) Participant and non-participant observation

(c) Control and experimental group

(i) Give examples in support of your answer

(ii) Write the advantages and disadvantages of the above

7. Differentiate between a survey and interview

8. Explain the important characteristics of a good test.

9. ‘A psychological research is expected to follow a certain ethics.’ Explain those ethics in detail with

the help of diagram.

10. What is a synapse? Give its diagrammatical representation.

11. Differentiate between sympathetic and parasympathetic nervous system.

12. Which part of the brain regulates the cognitive abilities of an individual? What are its other functions?

13. ‘Enculturation refers to all learning that takes place without direct, deliberate teaching.’ Explain

the various concepts that develop through enculturation.

14. Explain the cause and effect relationship that occurs between the variables in experimental method.

‘Rahul is an 18 yr old boy, who was studying in India till 2004. He had to migrate to UK for

better prospects in his job and for growth. Now he is facing a lot of difficulty in adjustments in his

new environment and people.’ Identify the situation given above and explain the concept in detail.

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Subject: Chemistry Assignment Grade XI

(HOLIDAYS HOMEWORK 2017-18)

1. Calculate the mass of (i) an atom of silver (ii) a molecule of CO2. (Molar mass of Ag= 108 g)

2. Two elements X and Y combine to form two compounds XY2 and X3Y2. 0.1 mole of XY2 weighs 10 g

and 0.05 mole of X3Y2 weighs 9 g. Calculate the atomic masses of X and Y?

3. Calculate the number of moles in (i) 10 g of CaCO3 (ii) 1023 molecules of H2S.

4. Calculate the volume at STP occupied by (i) 14 g of nitrogen gas (ii) 1.5 moles of CO2

(iii) 1021 molecules of O2.

5. 9.7 × 1017 atoms of iron weigh as much as 1 cc of H2 at STP. What is the atomic mass of iron?

6. Chlorophyll contains 2.68 % of Mg by weight. Calculate the number of magnesium atoms in 2.0 g of

chlorophyll.

7. How many grams of NaOH should be dissolved to make 100 cc of 0.15 M NaOH solution?

8. Calculate the molarity of the solution obtained by mixing 100 mL of 0.2 M H2SO4 with 50 mL of

0.1 M HCl.

9. Calculate the molarity of water if its density is 1000 kg/m3.

10. The density of 3 M solution of NaCl is 1.25 g/mL. Calculate the molality of the solution.

11. Calculate the molality of a sulphuric acid solution in which the mole fraction of water is 0.85.

12. Calculate the %age composition of the various elements in MgSO4.

13. An inorganic salt gave the following %age composition: Na= 29.11, S= 40.51 and O= 30.38. Calculate

the empirical formula.

14. A crystalline salt on heating becomes anhydrous and loses 45.6% of its weight. The %age composition

of the anhydrous salt is: Al=10.5, K= 15.1, S= 24.96 and O= 49.92. Find the empirical formula of the

crystalline and anhydrous salts.

15. A salt containing water of crystallization gave the following %age composition: Mg=9.76, S= 13.01, O=

26.01 and water= 51.22. Calculate its empirical formula.

16. A neutral atom of an element has 2K, 8L and 5M electrons. Find out the:

(i) Total number of s-electrons (ii) Valency of the element

17. (a) Which d-orbital does not have four lobes?

(b) What is the physical significance of Ψ2?

(c) Which energy level does not have a p-orbital?

18. What are the maximum number of emission lines obtained when the excited electron of a Hydrogen

atom in n=6 drops to the ground state?

19. Calculate the kinetic energy of the electron ejected when yellow light of frequency 5.2 × 1014 s-1 falls on

the surface of potassium metal. Threshold frequency of potassium is 5 × 1014 s-1.

20. Calculate the wavelength of the spectral line obtained in the spectrum of Li2+ ion when the transition

takes place between two levels whose sum is 4 and the difference is 2.

21. Two particles A and B are in motion. If the wavelength associated with particle A is 5 × 10-8 m, calculate

the wavelength associated with particle B if its momentum is half of A.

22. What is Heisenberg’s uncertainity principle? Give its mathematical expression also.

23. An electron is in 4f orbital. What possible values of n, l, m and scan it have?

24. Which of the following quantum numbers are not permitted?

(i) n = 2, l = 2, m = -1, s = +1/2 (ii) n = 2, l = 1, m = -1, s = -1/2

(iii) n = 2, l = 0, m = 0, s = 0 (iv) n = 2, l = 1, m = 2, s = +1/2

25. Discuss the main drawbacks of Rutherford’s and Bohr’s models of atom.

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