NEW ERA PUBLIC SCHOOL-DWARKA

Holiday Homework (2019-20)

Class XI

Dear Students,

Summer break is the best time to rejuvenate

and unwind. Let it not only serve as a time to

rest, revise and play, but also give yourselves

the reason to be in the company of friends,

family and relatives, travel, explore and

introspect.

Remember the following through your vacays,

to keep yourself refreshed-

Spend quality time with friends and

family.

Exercise and play keep you fit and

active. Surmount the playground each

evening!

Develop a hobby. Read, sing, dance,

research, collect valuables, or just learn

new things.

Volunteer to help your parents, siblings

or friends.

Study and revise daily. Take out time to

complete your assignments. Do not

delay or postpone work.

Be productive but remember to relax!

Happy holidays!

Subject: English Assignment Questions

(To be attempted in the English register)

Guidelines:

1. Attempt all questions neatly. 2. Write the questions or paste the assignment in your register. 3. Use pencil for drawing boxes, wherever applicable. 4. Refer to the formats written in your class register to attempt the practice questions.

Q1. (a) Cut and paste a short report from a newspaper in your register. On the basis of your

reading of the report, make notes, using headings and sub-headings. Use recognizable

abbreviations wherever necessary.

(b) Make a summary of the report in not more than 80 words.

Q2. You are the Manager of Akon Fitness Club of Gandhi Road, Ernakulam. Write a letter to

Pioneer Sports Co, Kochi, placing an order for a minimum of 4 fitness equipments with complete

details. Sign yourself as Ashok Vijay. (150 words)

Q3. You are Vikranth / Vinitha, a freelance writer, much concerned about the discriminatory

treatment of women in the Indian society. Write an article in 150 – 200 words throwing light on

this problem and giving suggestions for putting an end to it.

Q4. You are Srinivas / Srinidhi of D.P. Public School, Nagpur. As a student Editor of your school

magazine, draft a notice in not more than 50 words for your school notice board inviting articles /

sketches from the students of all classes.

Q5. Write a letter to the Editor sharing your concern over the impact of films on today’s youth.

(150 words)

Q6. Swasti of 102, Civil Lines, New Delhi wishes to apply for the post of a HR Manager at

Microsoft. Write her job application letter and resume. (150 words)

Project (To be attempted in a scrap book)

Amrita Sher-Gil is regarded as one of the greatest avant-garde women artists of the early 20th

century. Create a project on her work incorporating the following:

1. A brief introduction of the artist (related images)

2. Image of any one of her paintings and its detailed description.

3. Interpret the same painting in your own words.

4. Bibliography of text and images.

Subject: Mathematics Assignment Questions

(To be attempted in the Maths register)

SETS 20. Let A and B be two finite sets such that n(A) = 20, n(B) = 28 and n(A ∪ B) = 36, find n(A ∩ B). 21. If n(A - B) = 18, n(A ∪ B) = 70 and n(A ∩ B) = 25, then find n(B).

22. There are 35 students in art class and 57 students in dance class. Find the number of

students who are either in art class or in dance class.

(i) When two classes meet at different hours and 12 students are enrolled in both

activities.

(ii) When two classes meet at the same hour.

23. In a competition, a school awarded medals in different categories. 36 medals in dance,

12 medals in dramatics and 18 medals in music. If these medals went to a total of 45

persons and only 4 persons got medals in all the three categories, how many received

medals in exactly two of these categories?

24. Each student in a class of 40 plays at least one indoor game chess, carrom and scrabble.

18 play chess, 20 play scrabble and 27 play carrom. 7 play chess and scrabble, 12 play

scrabble and carrom and 4 play chess, carrom and scrabble. Find the number of students

who play (i) chess and carrom. (ii) chess and carrom but not scrabble.

25. In a group of 100 persons, 72 people can speak English and 43 can speak French. How

many can speak English only? How many can speak French only and how many can speak both English and French?

Subject: Biology Assignment Questions

(To be attempted in the Biology register)

1) Explain the structure of the following with diagram

a) Mitochondria b) Plastids c) Nucleus

2) Give functions of the following:

a) Cytoskeleton b) Nuclear pore c) Histones d) Kinetochores

e) Microbodies f) Plasmodesmata g) Fimbriae h) Mesosomes

3) What are inclusion bodies? Name the four types of them.

4) Differentiate between the following:

a) Gram positive and gram negative bacteria

b) Pilus and fimbriae

c) Leucoplasts and chromoplasts

d) Mitochondria and chloroplasts

e) Cilia and flagella

f) Amyloplasts , elaioplasts & aleuroplasts

5) Explain the various components of endomembrane system.

6) Explain the primary, secondary, tertiary and quaternary structure of protein molecule.

7) Differentiate between DNA and RNA.

8) Why enzymes are called biocatalysts?

9) Define activation energy.How can you say that enzymatic reactions are faster than non-

enzymatic reactions?

10) How substrate concentration does affect the velocity of an enzyme action?

11)How can we calculate the rate of enzyme reaction?

12)Describe the different steps involved in the catalytic cycle of an enzyme action.

13)What are the factors which affect the enzyme activity?

14)What is competitive inhibition? Explain with an enzyme.

15) Which is the cell that is captured in the diplotene phase for months and years? How

does it complete its cell cycle?

16) Telophase is the reverse of prophase. Elucidate the statement.

17) Describe the different phases of meiotic prophase – I. Mention the chromosomal

events during each stage.

18)Differentiate between the following:

a) Prophase I of meiosis I and prophase of mitosis.

b) Metaphase I of meiosis I and metaphase of meiosis II .

Subject: Physics Assignment Questions

(To be attempted in the Physics register)

1. If x = a + bt + ct 2, where x is in metre and t in seconds, what is the unit of c ?

2. What is the difference between mN, Nm and nm?

3. Name physical quantities that have same dimension.

4. Name the physical quantities that have dimensional formula [ML -1 T -2 ].

5. Give two examples of dimension less variables.

6. State the number of significant figures in

(i) 0.007 m 2 (ii) 2.64 × 1024 kg (iii) 0.2370 g cm -3 (iv) 0.2300m (v) 86400 (vi) 86400 m

7. When does (i) height attained by a projectile maximum? (ii) horizontal range is maximum ?

8. Describe the Parallax Method for the determination of the distance of a nearby star from the

earth.

9. Deduce the dimensional formula for the following quantities

(i) Gravitational constant (ii) Young’s modulus (iii) Coefficient of viscosity.

10. Suggest a situation in which an object is accelerated and have constant speed.

11. Two balls of different masses are thrown vertically upward with same initial velocity.

Maximum heights attained by them are h1 and h2 respectively what is value of h1/h2 ?

12. A car moving with velocity of 50 kmh -1 on a straight road is ahead of a jeep moving with

velocity 75 kmh -1 . How would the relative velocity be altered if jeep is ahead of car ?

13. Which of the two-linear velocity or the linear acceleration gives the direction of motion of a

body?

14. Will the displacement of a particle change on changing the position of origin of the coordinate

system?

15. If the instantaneous velocity of a particle is zero, will its instantaneous acceleration be

necessarily zero?

16. A projectile is fired with Kinetic energy 1 KJ. If the range is maximum, what is its Kinetic

energy, at the highest point ?

17. Write an example of zero vector.

18. State the essential condition for the addition of vectors.

19. A body is projected at an angle θ with the horizontal. Derive an expression for its horizontal

range. Show that there are two angles θ1 and θ2 projections for the same horizontal range, such

that θ1 + θ2 = 90°.

20. What is the maximum number of component into which a vector can be resolved?

21. A body projected horizontally moves with the same horizontal velocity although it moves

under gravity. Why?

22. What is the angle between velocity and acceleration at the highest point of a projectile

motion?

23. When does (i) height attained by a projectile maximum? (ii) horizontal range is maximum ?

24. What is the angle between velocity vector and acceleration vector in uniform circular motion?

25. A person sitting in a train moving at constant velocity throws a ball vertically upwards. How

will the ball appear to move to an observer.

(i) Sitting inside the train

(ii) Standing outside the train

Subject: Chemistry Assignment Questions

(To be attempted in the Chemistry register)

Assignment - I

1. What is the mass of one mole of electrons?

2. A complex of iron contains 45.6% iron by mass. Find out number of iron atoms in 5.00 g of this

complex.

3. What volume of CCl4 having density 1.5 g/cc contains 1 x 1025 chlorine atoms?

4. Calculate the molarity of 20% solution of KOH by mass whose density is 1.02 g mL-1.

5. 100 mL of 0.1 M NaCl solution is mixed with 100 mL of 0.2 M AgNO3 solution. Find out the

mass

of AgCl precipitate formed. Which reactant is acting as limiting reagent?

6. The percentage composition of Mohr’s salt is as follows

Fe2+ = 14.32% , NH4+ = 9.20% , SO4

2- = 49% , rest being water of crystallization.

Find the empirical formula of Mohr’s salt.

7. From 200 mg of CO2 , 1021 molecules are removed, how many moles of CO2 are left?

8. 150 mL of M/10 HCl is required to react completely with 1.0 g of a sample of limestone.

Calculate the percentage purity of calcium carbonate.

9. C2HF3 + HF → C2H2F4

What mass of C2H2F4 can be produced and what mass of excess reagent remains at the end of

reactions if 100.0 g of C2HF3 is mixed with 30.12 g of HF.

10. Compound X contains 0.25% iron by mass.The molecular mass of X is 89600. Calculate the

number of iron atoms per molecule of X.

Assignment – II

1. .……… atoms of oxygen are present in 300 g of CaCO3.

2. The percentage of oxygen in CuSO4.5H2O is ………..

3. …………grams of HCl are required to prepare 4 litres of 5M HCl in water.

4. An oxide of nitrogen with molecular mass 92 has 30.4% nitrogen. The molecular formula

is……..

5. 100 mL of 10M HCl are diluted with distilled water to a volume of 2 litres. The Molarity of the

resultant solution is………..

6. The number of atoms and molecules of nitrogen in 224 mL of nitrogen at STP are …… and

……

respectively.

7. Mass of one atom of calcium is ……….,if atomic weight is 40 g mol-1.

8. 6.023 x1020 molecules of a substance weigh 44 mg,……is the molar mass of the substance.

9. ……..grams of calcium is present in Ca(NO3) 2 that contains 42 g of nitrogen.

10.If 1 mole of ethanol completely burns to CO2 and H2O,the weight of CO2 formed is ………….

General instructions for Model and Charts:

1. Students will prepare a model and a chart (using white pastel sheet) on the allotted topics.

2. The model to be prepared should have a strong base.

S.

No.

Class XI (Model and project topics) Parameters

1. Agriculture and food security: Saving water in agriculture;

sprinkler irrigation, drip irrigation surface irrigation etc.

Make a model showing insight

into technologies for various

innovative methods of irrigation.

2. Energy-Resources and conservation: Solar charger for

mobile phones

Portable, low cost, simplistic

design.

Subject: Computer Science Assignment Questions

(To be attempted in the CS register)

Q1 Explain the organization of a mobile system?

Q2 What are software libraries? Name few software libraries available with Python.

Q3 What is the role of disk defragmenter in the context of computer performance?.

Q4 Explain cloud computing and the two types of cloud used on Internet.

Q5 Differentiate between (Make a tabular format with 2 differences for each part)

(i) Primary Memory and Secondary Memory. (ii) Compiler and Interpreter

(iii) CD-ROM and CD-RW (iv) Application Software and System Software

Q6 Perform the following conversions:

(i) (54213)10 into binary (ii) (1011111001101)2 into octal

(iii) (736521.64)8 into hexadecimal (iv) (F24A5)16 into decimal

(v) (B4C27.11D)16 into octal (vi) ( 676423)8 into binary

Q7 Prepare truth table for the following Boolean expressions:

(i) AB + BC + CA’ = AB + CA’ (ii) M = N (P + R)

Q8 Design a logic circuit to realize the Boolean functions:

(i) f(x,y) = x.y + x’.y’

(ii) f(x,y,z) = x’y’+y’z’

Q9 Draw the AND-OR circuit for : y = AB’C’D’ + ABC’D’ + ABCD

Q10 Give the dual of the Boolean expression: (X+Y).(X’+Z’).(Y+Z)

Q11 State and prove the DeMorgan’s Laws using truth-tables.

Q12 List some application areas where Python programming language is widely used.

Q13 What are the advantages and disadvantages of Python over other programming languages?

Q14 What are the two modes of using the Python interpreter? Explain each mode.

Q15 Write programs in Python :

(i) to input values for two integers a and b and perform the operations of +,-,*,/,% on them.

Store the result of these operations in different variables and print them

(ii) to input values for radius of a circle, length and breadth of a rectangle, base and height

of a triangle. Print area of the circle, rectangle and triangle.

Subject: Informatics Practices Assignment Questions

(To be attempted in the IP register)

Q1 What are the major functional components of a mobile system?

Q2 What are software libraries? How are they useful to programmers?

Q3 State 5 reasons to support that computers are better than calculators.

Q4 What is GPU? How is it useful in a mobile system?

Q5 Differentiate between (Make a tabular format with 2 differences for each part)

(i) SRAM and DRAM.

(ii) Compiler and Interpreter

(iii) CD-ROM and CD-RW

(iv) Application Software and System Software

Q6 List 5 advantages and 5 disadvantages of Python over other programming languages.

Q7 What are the two ways to use Python interpreter? Explain each mode.

Q8 What is the difference between a keyword and an identifier in Python?

Q9 What will be the output of the following code:

A = 3 – 4 + 10

B = 5 * 6

C = 7.0/2.0

D = B % 3

print “Values are :”, A. B, C, D

Q10 Write programs in Python :

(i) to input values for Principle, Rate and Time and calculate the simple interest.

(ii) to input values for radius of a circle and print both area and perimeter of the circle.

(iii) to input values for length and breadth of a rectangle and print both area and perimeter

of the rectangle.

Subject: Business Studies

Complete the Project work on assigned topic and submit after the summer break.

Prepare a collage on Corporate Social Responsibility by any company. (include pictures

etc.) (A3 sheet)

Make a PPT on any one successful Start up for eg. Parkzap, UrbanClap. Also include

details on the founder, their funding, competitors etc.

or

Write about the Top Companies in terms of their CEO, Turnover, Market Share etc. with

pictures (A3 sheet) on any one of the following:

a) Automobile sector b) Pharmaceuticals c) FMCG d) Telecom e) IT f) Hospitality g) Food

chain

Subject: Economics

Read chapters 1 and 2 done in class and create placards with 50 questions from the text.

Include True/False, Match the following, MCQs, etc.

Subject: Accountancy Assignment Questions

(To be attempted in the Accounts register)

1) On 1st April, 2015 Mr. Kamal was appointed as Finance Manager of the firm with a salary of `

60,000 per month. State whether this event will be recorded in the books of accounts.

2) “Accounting information should be comparable.” Do you agree with this statement? Give

reasons.

3) Non – monetary transactions are not recorded in the books of accounts.” Explain.

4) State the nature of information required by Investors.

5) What do you mean by accounting period?

6) Write any two examples of intangible assets.

7) On 1 st April, 2015 Mr. Kamal was appointed as Finance Manager of the firm with a salary of

`60,000 per month. State whether this event will be recorded in the books of accounts.

8) “Accounting information should be comparable.” Do you agree with this statement? Give

reason.

9) What are the steps for accounting process?

10) Explain the following accounting terms :

a) Asset b) Income c) Drawings d) Fictitious Assets e) Depreciation

f) Cash discount g) Expenditure h) Gain h) Current Assets

11) What is owner’s equity? Give an equation for calculating owner’s equity.

12) On 31st March 2014, a businessman had the capital worth ` 9,00,000 . External liabilities and

assets as on 1st April 2013 were ` 1,20,000 and ` 2,00,000 respectively. During the year, the

proprietor had withdrawn ` 20,000 and introduced ` 26,000 as additional capital. Find out his

profit or loss during the year.

13) Mr. Munjal started a business on 1st April, 2014 with a capital of ` 1,80,000 and a loan of

`60,000

taken from SBI Bank. During 2014-15, he had introduced additional capital of ` 45,000 and had

withdrawn ` 35,000 for personal use. On 31st March, 2015 his Assets were ` 2,50,000. Find out

his capital as on 31st March 2015 and profit made or loss incurred during the year 2014-15.

14) Show the accounting equation on the basis of the following transactions.

Sitaram commenced business with cash ` 2,00,000; goods ` 60,000.

Opened a Current account with PNB and deposited ` 45,000.

Purchased goods on credit from Goyal & Brothers ` 22,000.

Paid Rent ` 5,000 by cheque and Rent still outstanding ` 5,000.

Sold goods on credit to Rohan costing ` 14,000 for ` 12,500.

Donated goods costing ` 1,000 to a charitable trust.

Investment made in shares ` 4,000 for personal use.

Interest charged on drawings @ 10% p.a.

15) Show the accounting equation on the basis of the following transactions and also show the

Balance Sheet.

Started business with cash ` 1, 50,000, Machinery ` 3, 00,000 and Inventory ` 2, 00,000.

30% of the above goods are sold to Priya at a profit of 331/3% on cost and received 50% payment

in cash and for the balance drawn a bill for 3 months.

Depreciation charged on Machinery @ 10% p.a. for 4 months.

Rent received ` 15,000 including ` 6,000 in advance.

Purchased goods for ` 30,000 and paid half the money in cash.

Paid to creditor ` 14,000 in full settlement.

Goods costing ` 5000, selling price ` 6000 destroyed during flood.

Subject: History

General Instructions:

Students should prepare individual handwritten projects of about 35-45 pages for CBSE

assessment. The project should be prepared according to the guidelines already issued in class.

The project should include the following sections:

1. Cover page- Displaying the topic.

2. 2nd page – displaying the information of the student like school name, class, CBSE

roll no., session.

3. Acknowledgement – Thanking the people or institution that has helped you in

completion of your project.

4. Certificate- Mentioning your name and the name of teacher under whose supervision

you have completed your work.

5. Index- Giving the list of contents with page numbers.

6. Introduction- Giving the purpose and importance of a study.

7. Chapters- Give a title to each chapter along with details and pictures.

8. Conclusion- What do you learn from your study?

9. Bibliography- Showing the sources from where you have gathered information.

Present the following in your project report:

Data/Statistical Analysis/Map work

Analysis/Explanation and interpretation

Bibliography

Students can use primary as well as secondary sources for the research work. Choose any one

of the following topics:

1. Anthropological Research based on Darwin’s Theory

2. Critique of the industrialization in Britain

3. Relations and impacts of past crusades

4. Making and unmaking of Mesopotamia

5. Paradigms of Greeco-Roman civilization

6. Aspirations of women in Renaissance period

7. Paths to Modernization of Japan /China

8. An Exploratory study into Humanism

9. Piecing together the past of Genghis Khan

10. An in depth study into “now and then” paradigm of Christianity

11. An exploratory study into the realism and the transmission of Humanistic ideas

12. Scientific Revolution and the origins of modern science

13. An exploratory study into the making of America

14. Myriad Realms of Slavery in ancient, medieval and modern world

15. Learning about global Sufism

16. History of aborigines – America /Australia

Note- Evaluation will be done by internal examiner.

Students have to be prepared to give viva on the project in the class. A summary/synopsis (one

page) of the project has to be prepared covering:

a) The objective statement

b) Their observations and findings

The project must be neat and well presented and must be completely hand-written.

Students can use primary sources available in city archives, Primary sources can also

include newspaper cuttings, photographs, film footage and recorded written/speeches.

Secondary sources may also be used after proper authentication.

No whiteners to be used or written matter to be crossed out. In case of any mistake, re-do the

sheet.

Paste and draw maps, flow charts, pictures wherever necessary.

Do not number sheets or write dates unless so instructed by your teacher.

Colour illustrations, maps, charts may be hand drawn or printed (if it is relevant for any aspect of

your project) are welcome to make them look attractive.

ASSESSMENT:

Allocation of Marks (20)

The marks will be allocated under the following heads:

1 Project synopsis 2 marks

2 Timeline/map work/ explanation/interpretation 5 marks

3 Visual/ overall presentation 4 marks

4 Analysis/ data/statistical analysis 4 marks

5 Bibliography 1mark

6 Viva 4 marks

Subject: Political Science Assignment Questions

(To be attempted in the Pol Sc. register)

1. Answer the following questions :

a) Give two examples each to support the following conclusions about the Indian Constitution:

i. The constitution was made by credible leaders who commanded people’s respect.

ii. The Constitution has distributed power in such a way as to make it difficult to subvert it.

iii. The Constitution is the locus of people’s hopes and aspirations.

b) Why is it necessary for a country to have a clear demarcation of powers and

responsibilities in the constitution? What would happen in the absence of such a

demarcation?

c) Several reports show that caste groups previously associated with scavenging are forced to

continue in this job. Those in positions of authority refuse to give them any other job.

Their children are discouraged from pursuing education. Which of their Fundamental

Rights are being violated in this instance.

d) “Indian democracy is now ready to shift from crude First Past the Post System to a system

of Proportional Representation”. Do you agree with this statement? Give your reasons for

or against this statement.

e) Why can the Lok Sabha control the executive more effectively than the Rajya Sabha can?

2. Write a detailed report on the General Election of 2019 in India.

3. Make a project with necessary details on any topic related to the syllabus. It must include the

proper format containing content ,acknowledgement, relevant maps, comparison to present day

situation, pictures and bibliography. (To be submitted as a hand written project, compiled in a file)

Subject: Sociology Assignment Questions

(To be attempted in the Sociology register)

The following are Activity-based questions.

You may use the help of your textbook, newspaper and magazine articles as well as the internet to

creatively answer each.

Q1. What kinds of jobs are considered prestigious in your society? Compare your thoughts with

family and friends. Discuss the similarities and differences. Try and understand the causes for the

same.

Q2. Find out the experience of immigrants in other countries. Are their stories similar to those of

migrants in India?

Q3. Find out a name that is relevant under each heading:

Caste An anti-caste movement A caste based political party

Class A class based movement A class based political party

Women A women’s movement A women’s organization

Tribe A tribal movement A tribes based political party

Villagers An environmental movement An environmental organization

Discuss whether they were all social groups to start with and if some were not, then at what point

can one apply the term social group to them, using the term as sociologically understood.

Q4. Collect information of events that show the growth of global inter-connectedness as well as

divisions along ethnic, religious and national conflicts. Discuss how politics and economics may

have a part to play in them.

Q5. Find out when women got voting rights in different countries. Why do you think that despite

the right to vote and the right to stand for public office, women are so inadequately represented?

Does the existing division of labour within families and households impact women’s participation

in political life?

Subject: Physical Education Assignment Questions

(To be attempted in the register)

All questions are compulsory.

Questions 1 to 11 need to be answered in 20-30 words. Questions 12 to 19 need to be answered in

50-60 words. Questions 20 to 26 need to be answered in 80-120 words.

Q.1. Explain the need of Physical Education.

Q.2. Explain the side effects each of the 2 classified drugs used.

Q.3. Define Obesity.

Q.4. Define Anatomy.

Q.5. Explain the term Centre of Gravity.

Q.6. Define sports training.

Q.7. What do you understand by short bones?

Q.8. Define Sports Psychology.

Q.9. Mention any two principles of Physical Fitness development in brief.

Q.10.Enlist any two types of muscles and bones in human body.

Q.11.Define Bio- mechanics.

Q.12. Write the need of sports environment.

Q.13. Explain the principles of Adapted and Integrated physical education.

Q.14. Define Asanas. Mention the physiological benefit of asanas.

Q.15. Discuss two importance of Anatomy and Physiology in sports science.

Q.16. Discuss Lever and its types in detail with diagrams and give 2 examples for each.

Q.17. What do you understand by technique and style?

Q.18. What do you understand by Load, Adaptation and Recovery?

Q.19. Explain the different ways of recovery in sports. Why recovery is important?

Q.20. Explain Equilibrium and its types. Also write the principles of static equilibrium.

Q.21. Explain in detail 5 elements of yoga.

Q.22. Write Newton’s law of Motion in detail with examples.

Q.23. What do you mean by somatotype? Explain the types with their traits.

Q.24. Define adolescence. Explain in detail the problems and management of adolescence.

Q.25. Write a shot note on Sprain, Strain, Fracture, RICE and Rehabilitation.

Q.26. Explain Experimental, Educational, Clinical, and Developmental Psychology.