NCERT Solutions for Class 10 Social Science Contemporary India Unit 1

Resources and Development Class 10

Unit 1 Resources and Development Exercise Solutions

Resource: Anything which can be used for satisfying the human needs is called a resource.

Types of Resources :
Resources can be classified on different bases; into following types:
1. On the basis of origin Biotic and Abiotic
2. On the basis of exhaustibility Renewable and Non-renewable
3. On the basis of ownership Individual, community, national and international
4. On the basis of status of development Potential, Developed, Stock and Reserves
Next Chapter 2 : Forest and Wildlife Resources >>

Exercise : Solutions of Questions on Page Number : 12

Q1 :  

Multiple choice questions

(i) Which one of the following type of resource is iron ore?

(a) Renewable

(b) Biotic

(c) Flow

(d) Non-renewable

(ii) Under which of the following type of resource can tidal energy be put?

(a) Replenishable

(b) Human-made

(c) Abiotic

(d) Non-recyclable

(iii) Which one of the following is the main cause of land degradation in Punjab?

(a) Intensive cultivation

(b) Deforestation

(c) Over irrigation

(d) Overgrazing

(iv) In which one of the following states is terrace cultivation practised?

(a) Punjab

(b) Plains of Uttar Pradesh

(c) Haryana

(d) Uttarakhand

(v) In which of the following states is black soil found?

(a) Jammu and Kashmir

(b) Gujarat

(c) Rajasthan

(d) Jharkhand


Answer :

(i) (d) Non-renewable

(ii) (a) Replenishable

(iii) (c) Over irrigation

(iv) (d) Uttarakhand

(v) (b) Gujarat

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Q2 :  

Answer the following questions in about 30 words.

(i) Name three states having black soil and the crop which is mainly grown in it.

(ii) What type of soil is found in the river deltas of the eastern coast? Give three main features of this type of soil.

(iii) What steps can be taken to control soil erosion in the hilly areas?

(iv) What are the biotic and abiotic resources? Give some examples.


Answer :

(i) Maharashtra, Madhya Pradesh and Chhattisgarh

Black soil is ideal for growing cotton.

(ii) Alluvial soil

Alluvial soils are very fertile. They are ideal for growing sugarcane, wheat and paddy. As it has more kankar nodules, old alluvial is less fertile than new alluvial.

(iii) In the hilly areas, soil erosion can be controlled by ploughing across contour lines, making use of terrace farming techniques and using strips of grass to check erosion by wind and water.

(iv) Biotic resources are composed of living things, and are derived from the biosphere, e.g., human beings, fisheries and livestock.

Abiotic resources are composed of non-living things, e.g., metals and rocks.

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Q3 :  

Answer the following questions in about 120 words.

(i) Explain land use pattern in India and why has the land under forest not increased much since 1960-61?

(ii) How have technical and economic development led to more consumption of resources?


Answer :

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Next Chapter 2 : Forest and Wildlife Resources >>

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