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CLASS – X

NOTE : Homework should be done in A4 size sheets & should be put up in a separate folder for every subject.

ENGLISH Q1. Read the newspaper clipping given below. Then using the given information

together with your own ideas, write a letter to the Editor of the Hindustan Times

on how fad diets and junk food create nutritional deficiency leading to

malnutrition, and on the importance of eating right.

12 Aug 2017

Malnutrition is becoming severe health problem among primary school

children with as high as 66% of them being affected by it. This may affect

the scholastic and academic performance of children. According to Dr.

Umesh Kapil , malnutrition leads to poor cognitive performance, hampers

metabolism, lowers stamina and impairs immunity.

Q2. Complete the story in 200-250 words.

It was a hot day. A blind man was crossing the road, suddenly a car

came__________________

Q3. Write a story in 150-200 words based on the input given below.

Summer holidays had begun. Mohit was excited. His father had made

arrangements for a trip___________________.

Sonnet 55

(Not marble, not the glided Monuments)

Q1.How does the poet immortalize his verse along with glorifying his friend?

Q2. Describe how poetry survives all wars & destruction.

GURU HARKRISHAN PUBLIC SCHOOL VASANT VIHAR NEW DELHI

HOLIDAYS HOME WORK - 2018-19

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Q3.How will the sluttish time besmear the monuments, memorials and statues

erected by the princes, rulers?

The Diary of a Young Girl – Anne Frank

Q1.“Paper is more patient than people. Elucidate with reference to the novel ‘The

Diary of a young Girl’

Q2. Write the character sketch of Anne Frank

Q3. What does Anne think about herself and her family’s life in the secret

Annexe?

Two Gentleman of Verona

Q1. Imagine you are the narrator in ‘Two Gentlemen of Verona’. You were

touched by the love and devotion of the boys for their sister

Write a letter to a friend about the two boys and the attraction you felt for them

SCIENCE (PHYSICS)

Q1. The charge possessed by an electron is 1.6x10-19

C. Find the number of

electrons that will flow per second to constitute a current of 2A.

Q2. a) Define the term “volt’.

b) State the relation between work, charge, and potential difference for an

electric circuit.

c) Calculate the potential difference between the two terminals of a battery if

100J of work is required to transfer 20C of charge from one terminal of the

battery to the other.

Q3. State Ohm’s law. Write its mathematical formula. How is it represented

graphically?

Q4. A 12Ω resistance wire is doubled on itself. Calculate the new resistance of the

wire.

Q5. Two resistors, with resistances of 5Ω and 10Ω are to be connected to a 6V

battery so as to obtain: i) minimum current, ii) maximum current. How will

you connect the resistances in each case? Calculate the strength of the total

current in the circuit in the two cases.

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Q6. Why series arrangements are not used for domestic circuits?

Q7. Explain the following: a) why are the conductors of electric heating devices

such as bread toasters and electric irons made up of an alloy rather than a pure

metal? b) Why is Tungsten used almost exclusively for the filament of electric

lamps?

Q8. How does the use of a fuse wire protect electrical appliances?

Q9. a) Define power and write its SI unit.

b) Relate 1KWh and SI unit of energy.

Q10. A geyser is rated 1500W, 250V. It is connected to 250V mains. Calculate i)

the current drawn, ii) the energy consumed in 50 hours and iii) the cost of

energy consumed at ₹2.20 per KWh.

Q11. Project for Roll No. 1-15

Collect electricity bill from any 5 neighbors & compare the units consumed

and the total cost of the electrical energy consumed as per given format.

S.No No. of

days

No. of

rooms in

the house

No. of

family

members

No. of units

consumed

Total

Amount

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CHEMISTRY

Q1. Name and define all types of chemical reactions and give two examples of each .

Q2 Whenever a reaction takes place a visible change appears .List all the changes and support each change with appropriate example.

Q3. Draw a neat diagram of electrolytic decomposition of water .Also write down the chemical reaction involved.

Q4.Balance the following equations:

(i) Na₂CO₃+HClNaCl+H₂O+CO₂

(ii) FeCl₂+H₂SHCi+FeS.

(iii) NaCl+H₂SO₄Na₂SO₄+HCl

(iv) CS₂+O₂CO₂+SO₂

(v) K+H₂OKOH+H₂ (vi) CH₄+O₂H₂O+CO₂

Q5. Differentiate between: (i) Displacement reaction & double displacement reaction. (ii) Combination reaction & decomposition reaction Q6.Define corrosion. Give examples how it can be prevented. Q7.What do you understand by rancidity? List its preventive measures. Q8. Project for Roll No. 16-30 Pick any 5 antacids available in the market. Write down their brand names & their chemical compositions.

BIOLOGY

1. Write the balanced chemical equation for the process of photosynthesis.

2. In single celled organism, diffusion is sufficient to meet all their

requirements of food, exchange of gases or removal of waste but it is not in

case of multicellular organism. Explain the reason for this difference.

3. State the role of the following in human digestive system:

a) Digestive enzymes

b) Hydrochloric acid

c) Villi

4. Explain how does the exchange of gases occur in plant across the surface

of stem, roots and leaves.

5. Why do herbivores have longer small intestine than carnivores?

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6. Write correct sequence of four steps of method for the preparation of

temporary mount of a obtained leaf peel to show it’s stomata.

7. In mammals and birds why is it necessary to separate oxygenated and

deoxygenated blood?

8. Draw a neat labelled diagram of the following:

a) Human brain and label cerebrum, cerebellum, medulla oblongata

b) Excretory system of humans and label left kidney, urinary bladder,

renal artery, urethra in it.

c) Human respiratory system and label diaphragm, larynx and trachea in

it.

9. Prepare a chart on any one of the following. (For Roll No. 30 onwards)

a) Digestive system of human beings

b) Excretory system of human beings.

c) Human brain

d) Respiratory system of human.

10. a) Name the site of exchange of materials between the blood and

surrounding cells.

b) Draw a schematic representation of transport and exchange of oxygen

and carbon dioxide in human body.

11. Write two precautions to be taken while identifying different parts of an

embryo of a dicot seed.

12. A student is to conduct an experiment to show CO2 is released during

respiration. List two precautions that he/she must take for obtaining correct

observations.

13. Students were asked to observe the permanent slide showing different

stages of budding in yeast under high power of a microscope.

a) Which adjustment screw (coarse/fine) were you asked to move to focus

the slide?

b) Draw three diagrams in correct sequence showing budding in yeast.

14. Write four events that occur during binary fission in amoeba.

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MATHS

Q1. Make an illustrative project file for the following:

i) Choose any 5 objects which are a combination of two or more 3 D

shapes (cuboid, cube, cylinder, cone, sphere and hemisphere.

ii) Measure their dimensions (round off to nearest natural number)

and note them in your file.

iii) Calculate the curved/lateral and the total surface area of these

solids.

iv) Also, find the volume of these solids.

v) Click pictures of the objects chosen and paste them along with the

calculations.(You may also draw the pictures of the objects)

Q2. Collect the material and information to prepare a model.

a) Mathematics in medical Science (For Roll No. 1-15)

b) Geometry and architecture (For Roll No. 16-30)

c) Geometry in daily life. (For Roll No. 31 onwards)

COMPUTER SCIENCE

Q 1. (a) Differentiate between Internet and Intranet ?

(b) Differentiate between Surfing and Searching the Internet.

(c) What is meant by Web Page and Web Browser ?

(d) Name any two volunteer organisations responsible for governing

and administering the Internet.

(e) Name any four uses of Internet.

(f) Give any four disadvantages of Internet .

Q 2. (a) What is an e-mail ?

(b) Give any two advantages and two disadvantages of an e-mail ?

(c) Briefly explain the following :

E-learning

E-commerce

Online Shopping

(d) What is Video –Conferencing ?

(e) Make a PowerPoint presentation on any good topic of your choice.

(f) Give any two advantages & disadvantages of Video conferencing.

(g) Distinguish between downloading and uploading files.

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HINDI

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PUNJABI

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SOCIAL SCIENCE

HISTORY

1. Read chapter 3, ‘Nationalism in India’.

2. Collect information on Our National heroes who played active role in

achieving independence and write in about 100 words for each hero highlighting

their contributions for freedom of India. Also paste their photographs.

3. Prepare a chart.

(i) Satyagrah Movement. (For Roll No. 1-15)

(ii) Civil Disobedience Movement. (For Roll No. 16-30)

(iii) Boycott and Swadeshi Movement. (For Roll No. 31 onwards)

4. Answer the following Questions-

a) Why did Bernard believe that the economy of the colonies needed to be

developed? Explain any three of his suggestions made in the case of Vietnam.

b) Why was a conflict started in Vietnam against the French colonisers in all

areas of life? Explain.

c) Explain any three characteristics of the Tonkin Free School' in Vietnam.

d) What ideas did PhonBoi Chau and Phan Chu Trinh share in common? What

did they differ in?

e) Explain any three developments in Japan and China that inspired Vietnamese

Nationalist.

5. Mark the following on the out line map of India.

Places where Congress sessions were held.

ChauriChaura, Champaran, Kheda, Dandi, Sabarmati Ashram, Ahemdabad,

Nagpur, Amritsar. Also state historic importance of these places on map

near its location.

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GEOGRAPHY

1. Prepare chart on the following topics-

Types of Resources. (For Roll No. 1-15)

Rivers of India with Dams constructed on them. (For Roll No. 16-30)

Diagram/ Map on any topic of your interest from Geography book. (For

Roll No. 31 onwards)

2. Answer the following Questions-

a) Define sustainable development. How is Agenda 21 a major step

towards sustainable development?

b) The problem of land degradation can be solved. Explain.

c) Write a detailed note on the most widely spread and important soil of

India.

d) How are Human activities and natural forces are the cause of soil

erosion? Explain.

e) Give an account of Rio De Janerio Earth Summit, 1992.

3. On the outline map of India, mark and name the following Features.

1. Soils of India.

2. All multi- purpose river valley projects.

3. Areas under wheat, rice, pulses, cotton, jute,

Tea, coffee.

4. NCT Delhi.

5. NCR-Delhi.

6. All 29 capital towns for states.

7. Capital towns of union territories.

DEMOCRATIC POLITICS

Answer the following questions-

1. Why is power sharing desirablein a democracy?

2. Compare the Sri Lanka and Belgium model of functioning of

democratic government.

3. List some key features of federalism.

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4. How has third tier of the government of our country been made

more effective and powerful by the constitutional amendment of

1990?

ECONOMICS

Answer the following questions-

1. Kerala, with lower per capita income has a better human

development ranking than Punjab.Hence per capita income is

not useful criterion at all and should not be used to compare

states. Do you agree? Explain.

2. Give examples to prove that there are other developmental

goals than income.

3. Why is the issue of sustainability important for development?

Explain.

4. Differentiate between the Public and the private sectors

5. The rising importance of the tertiary sector in production in the

present times. Explain.

6. Explain in detail the historical changes in the three economic

sectors.

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