Dashmesh Public School Vivek Vihar,

Delhi -110095 Instruction for Holiday Homework 1. Holidays homework carry marks in assessment hence submission of work is compulsory for all subjects. 2. The project work should also help in enhancing the life skill of the students. 3. Different aspect related to the project is as follows.

Content accuracy, originality and analysis.

Presentation and creativity

Innovative ideas generated in the process.

d)Viva voce. 4. The Project report should be handwritten and not copied with any other student. The project report should be presented in a neatly bound attractive folder. Do your holiday homework in your respective subject in notebook.

DASHMESH PUBLIC SCHOOL

VIVEK VIHAR

HOLIDAY HOMEWORK –SCIENCE (2019-2020)

Class – 10th

1.Make science news letter showing current news in the field of science. Also mention the date and

source of news.

2. Revise the following chapters

Ch-1 Chemical reactions and Equation

Ch-2 Acids , Bases and Salts

Ch-12 Electricity

Ch- 6 Life processes

PHYSICS NOTE: - Below mentioned questions to be done in their respective subject notebooks (registers).

Q1. Write down formula which relates electric charge, time and electric current.

Q2. Define the following:

1 ampere current

1 volt

Q3. Draw the symbols of the following electric components:

Battery

A fixed resistance

Variable resistance

A closed switch or key

Q4. Draw an electric circuit consisting of battery, key, Ammeter, Resistor and A volt meter. Show the

direction of conventional current flowing through it.

Q5. State OHMS law and draw electric circuit to verify this law.

Q6. What do you mean by resistance of a conductor? State it’s unit.

Q7. A copper wire of length 2 meter and area of cross section 1.7x10-6 m2 has a resistance of 2x10-2

ohms. Calculate the resistivity of copper.

Q8. Derive the expression for the resultant resistance when 3 resistors with resistances R1, R2 and R3 are

connected in series.

Q9. Two resistances when connected in parallel give resultant value of 2 ohms, when connected in

series the resultant value becomes 9 ohms. Calculate the value of each resistance.

CHEMISTRY 1. Metallic oxides of Zn, Mg and Cu were heated with the following metals. In which cases will you

find displacement reactions taking place?

METAL Zn Mg Cu

Zinc oxide

Magnesium oxide

Copper oxide

2. Draw the apparatus, which you have seen in chemistry lab, write their names and one use ( at least

5).

3. Identify the type of each of the following reactions

A reaction in which a single product is formed from two or more reactants.

The reaction mixture becomes warm.

An insoluble substance is formed.

4. Write a balanced chemical equation indicating the physical state of reactants and products

. Iron filling react with steam to produce iron(III)oxide and hydrogen.

An aqueous solution of sodium hydroxide reacts with hydrochloric acid to produce sodium

chloride and water.

Hydrogen gas combines with Nitrogen to produce Ammonia.

Hydrogen Sulphide gas in air to give water and Sulphur dioxide.

Sodium metal reacts with water to give sodium hydroxide and hydrogen gas.

5 .What is brine?

6. What happens to the temperature of water when few drops of concentrated sulphuric acid is added

to it?

7. Can separation of H+ ions in acids take place when HCI is added to a non- aqueous solution?

8. Tooth enamel is one of the hardest substances in our body. How does it undergo damage due to

eating chocolates and sweets? How do toothpastes prevent this damage?

9. A student drooped few pieces of marble in dilute hydrochloric acid contained in a test tube. The

evolved gas was passed through lime water. What change would be observed in lime water? Write

balanced chemical equation when (i) gas was evolved (ii) gas was passed through lime water.

BIOLOGY 1. What are autotrophic and heterotrophic mode of nutrition?

2. How do amoeba and fungi obtain their food? How are they different from each other?

3. Give a detailed explanation of digestion in oral cavity, stomach and intestine.

4. Explain photosynthesis process in detail.

5. What are guard cells? Give their functions and diagram.

DASHMESH PUBLIC SCHOOL, VIVEK VIHAR

ASSIGNMENT : 1 SUBJECT : GEOGRAPHY CLASS X CHAPTER: RESOURCES AND DEVELOPMENT

MCQ (a) Which one of the following is not a natural resource?

(a) Land (b) Buildings (c) Water (d) Minerals

(ii) Which one of the following is not a human made resource?

(a) Engineering (b) Forest (c) Technology (d) Machine

(iii) Which one of the following is not a renewable resource?

(a) Water (b) Forest (c) Coal (d) Solar Energy

(iv) Which one of the following is a renewable resource?

(a) Mineral Oil (b) Coal (c) Gas (d) Tidal Energy

(v) Laterite soil is found in which of the two states?

(a) Tamil Nadu (b) Gujarat (c) Madhya Pradesh (d) Kerala

(vi) What is the total area for India?

(a) 2.38 million sq.km (b) 3.28 million sq.km

(c) 3.58 million sq.km (d) 4.68 million sq.km

(vii) Choose the two characteristics of the alluvial soils

(a) They are the most wide-spread soils in India.

(b) They are found in hilly and upland parts of the country.

(c) These soils were formed by the lava sheets.

(d) They were made by deposits brought by rains year after year.

(viii) In which two states deforestation due to mining has caused land degradation?

(a) Jharkhand (b) Chhattisgarh (c) Punjab (d) Uttar Pradesh

Q1. Mention one satisfactory feature of our land use pattern. Ans.

Q2. Mention one unsatisfactory feature of our land use pattern. Ans.

.

Q3. Name the states having More than 80% of total area under Net Sown Area. Ans.

.

Q4. Name the states having Less than 10% of total area under Net Sown Area. Ans.

.

Q5.Define the following terms:-

a. Soil

b. Leaching

c. Resorce

d. Conservation

RESOURCE DEVELOPMENT Q1.How are nature, technology and institution interdependent on each other?

Q2.How are human resources important for development of natural resources?

Q3.Explain giving examples that resources are a function of human activities.

Q4. Classify and Explain resources on the basis of ownership?

Q5 How are resources classified On the basis of status of development?

Q6. Distinguish between the following:-

(a) Biotic & Abiotic resources

(b) Renewable & Non-Renewable resources

(c) Natural &Human resources

(d) Potential resource & Reserve.

Q7. What do you mean by sustainable economic development? Why is it essential for resource

planning?

Q8. What is resource planning? What are its different stages?

Q9 Why resource planning is important in country like India? Explain by giving examples. Q10

What are the problems associated with indiscriminate use of resources?

Q11 State some important measures of resource conservation.

Q12 What were Gandhiji’s views on conservation of resources?

Q13 What steps have been taken at international level to promote resource planning?

LAND RESOURCE Q1 Name the factors that influence land use pattern in a country?

Q2 Why is it important to know the land use pattern of a country?

Q3 Compare the land-use pattern as it exists now(2002-03) with that of the past(1960-61) and

give reasons for changes. OR

Why has the land under forest not increased much since 1960-61?

What should be the forest areas in our country as per National Forest Policy (1952)?

Q4 Distinguish between net sown area and gross cropped area

Q5 Give reason for states having-More than 80% & Less than 10% of their total area under Net

Sown Area.

Q6 What is wasteland? Give the dimensions of wasteland in India, 2000.

Q7 Explain the factors that have led to land degradation?

Q8 What are the measures taken to control land degradation in different regions of India?

SOIL RESOURCE Q1 What is soil? Why is it referred to as a living system?

Q2 How are soils classified?

Q3 Name the factors on which soil formation depends.

Q4 What type of soil is found in river deltas of the eastern coast? Explain main features this type of

soil?

Q5 Distinguish between:

(a) Khadar & bhangar soils (b) Red & Laterite soils (c)Alluvial & Black soil

Q6 Name the most wide spread soil of India. Give its characteristic features.

Q7 What is soil erosion? How does running water led soil erosion?

Q8 Explain various measures to conserve soil.

WORKSHEET

History Class X

Chapter –Nationalism in India.

Answer the following questions briefly:

1. When did Mahatma Gandhi returned to India from South Africa?

2. Who wrote Hind Swaraj?

3. Who led the peasants in Award?

4. What did the term ‘begar’ means?

5. What was the main problem with the Simon Commission?

6. Where was Gandhiji’s ashram located?

7. Who were the ‘Sanatanis’?

8. Who organised the dalits into the Depressed Classes Association?

9. Who wrote the ‘Vande Matram?

10. Who started Khilafat Movement in India?

Short Answer Questions

1. What were the effects of the Jallianwala Bagh Massacre?

2. What were the causes of withdrawal of the Non Co-operation Movement ?

3. How did colonialism lead to the growth of Modern Nationalism?

4. Explain Gandhiji’s early experiments of satyagraha?

5. Why did the rich peasants refused to participate in the Civil Disobedience Movement , when it

restarted in 1932?

6. How did B.R. Ambedkar lift the Dalits and take their cause to the British parliament?

7. Which two factors shaped Indian politics by the late 1920’s?

8. Why the offer of Dominion Status by Lord Irwin was rejected by Congress?

9. Why was ‘salt’ considered as more effective weapon for protest against British?

10. What were gGandhiji’s view on women’s participation on national movement?

11. “ When the Civil Disobedience Movement started there was an atmosphere of suspicion and

distrust between communities”? Why was it so?

12. “ Ideas of nationalism also developed through a movement to revive Indian Folklores? Elaborate.

Long Answer Questions

1. “British rule in India would have collapsed if Indians had not cooperated”. How did this

statement helped in starting a mass movement in India against the British rule?

2. How did large scale participation of women in the Civil Disobedience Movement become an

important feature?

3. What do you mean by collective belongingness and how was it practised in India by Indians?

4. What was the condition of India during the World War I?

5. In what way did mahatma Gandhi gave recognition to ‘Dalits’?

6. How did icons and symbols advocated nationalism?

SUBJECT : GEOGRAPHY CLASS X CHAPTER: WATER RESOURCES

MCQ (i) Choose two states which have only 40% of net sown area under irrigation

(a) Punjab (b) Himachal Pradesh (c) Rajasthan (d) Haryana

(ii) Mention two areas where canal irrigation has developed. (a) Great Plains of the North (b) North Eastern States (c) The Deccan Plateau

(d) Deltas of Mahanadi, Godavari, Krishna and Kaveri

(iii) Choose any two regions which suffer from water scarcity?

(a) Rajasthan (b) Himachal Pradesh (c) Uttarakhand (d) Kutch

(iv) Choose any two techniques of rooftop rain-water harvesting.

(a) To capture water from the roof-top.

(b) To capture run-off water from catchment area’s.

(c) To bring water from far off regions.

(d) To use groundwater.

Q1. Name any Three major multi-purpose projects of our recent times. Give reason for

resistance movement behind them S.No Multi-Purpose Project River States Involved in Dispute Cause/ Reason

1

2

3

Q2.Design an Ad Campaign for popularizing Water Conservation In Urban Areas in the space provided below:-

Q1 Why humans have chosen to live near water sources through the ages?

Q2 Name various sources of water.

Q3 ‘The availability of water resources varies over space and time’. Why?

Q4 What do you mean by water scarcity? What are its major causes?

Q5 How does increasing population affect the availability of water?

Q6 ‘Water scarcity may be due to poor quality of water’. Explain with help of examples.

Q7 Give one example of hydraulic structure from ancient India.

Q8 With which dam is Narmada Bachao Andolan is associated?

Q9 Briefly describe water harvesting systems that have been adopted in different parts of the

country. OR

Q10 i Where in India is roof top rain water harvesting practiced?

ii What is the diversion channels of Western Himalayas called?

iii What are Khadins and Johads?

iv What are tankas? How are they useful?

Q11 Why are multipurpose projects called as ‘the temples of modern India’?

Q12 Why is there a need for conservation of water resources?

Q13 Classify dams on different basis.

Q14 Name some major multi-purpose projects of our recent times. Give reason for resistance

movement behind them.

Q15 State various disadvantages of a dam?

Q16 Explain how rainwater harvesting in semi-arid regions of Rajasthan is carried out.

Q17 What do you understand by the term irrigation? How irrigation has affected and changed the

cropping pattern and social landscape of Indian society?

Q18 Suggest various measures to conserve water resources.

Q19 What method is taken as a viable alternative for multi-purpose projects? Q20 On the

political map of India mark the following:

(a) Major rivers of India

(b) Major dams of India

CLASS.X

Political Science

ASSIGNMENT 3 TOPIC: Democracy and Diversity

1) When one social difference overlaps with other differences, it results in:

a) social division b) social accommodation c)racial discrimination

2) Black Power was an:

a) anti-social movement b) anti-racist movement c) anti-people movement

3) The outcome of politics depends on:

a) how the government reacts to the demands of various groups

b) how political leaders raise the community demands

c) how people perceive their identities

d) all the above

4) Which of the following statement is true?

a) All social divisions lead to disintegration of countries

b) All social divisions unite countries

c) Some social integrations may disintegrate countries

5) Which country suffered disintegration due to political fights on the basis of religious

and ethnic identities?

a) Belgium b) India c) Yugoslavia d) Netherlands

6) Who led the Civil Rights Movement in USA? What did it refer to?

7) Who were the African-Americans?

8) What was the Black Power Movement?

9) How did Smith and Carlos show Black poverty and Black power?

10) How did Peter Norman show his support?

11) How did Smith, Carlos and Norman suffer due to their actions?

12) How far did Smith, Carlos and Norman succeed?

13) What did the athletes respond to?

14) With help of Belgium & Sri Lankan example show that social diversity can take

different forms in different societies.

15) How do social differences originate?

16) Explain the statement: ‘Every social difference does not lead to social division.’

17) Can we have more than 1 identity or can we belong to more than one social group? If

yes, explain.

18) What kinds of situations create social divisions? Explain with reference to blacks of

USA & Dalits of India.

19) What is effect of overlapping &cross-cutting social differences? Explain with

reference to Northern Ireland & Netherlands?

20) Which is a homogenous society?

21) Who is a migrant?

22) Today’s countries are multi-cultural or homogenous. Explain by giving examples.

23) How do social divisions affect politics?

24) What was the effect of social divisions on Northern Ireland?

25) What was the effect of social divisions on Yugoslavia?

26) Explain: ‘Social divisions in politics do not always lead to disasters.’

27) Explain the three determinants which decide the outcome of politics of social

divisions.

28) When does a social difference become a social division?

SST PROJECT