CBSE Geography Class 10
Chapter:01
Resource and
Development
PART=1
1.What is a Resource? Give two examples.
Ans. Everything available in our environment which can
be used to satisfy our needs, provided, it is technologically accessible,
economically feasible and culturally acceptable can be termed as Resource.
Coal, water, air, minerals etc. are some examples of resource.
2.What is the role of humans in resource development?
Ans. (i) Human beings interact with nature through
technology and create institutions to accelerate their economic development.
(ii) Human beings transfer material available in our
environment into resource and use them.
3.How can the resources be classified on the basis of origin ?
Ans. Biotic and Abiotic.
4.What are abiotic resources ?
Ans. All those things which are composed of non –
living things are called abiotic resources.
5.A gas reserve has been discovered in an Ocean. The reserve is 19
km from the coast of the nation. Will it be considered an international
resource or a national resource.
Ans. All the resources upto 12 nautical miles (19.2
km) from the coast are termed as national resources. So this will be a national
resource.
6.“There is enough for everybody’s need and not for anybody’s
greed”. Who said these words ?
Ans. Mahatma Gandhi
7.It is important to use the available land for various purposes
with careful planning”. Give reason.
Ans. Because land is an asset of a finite magnitude.
8. How can the resources be divided on the basis of exhaustibility?
Ans. Renewable and Non-renewable.
9. Classify the following resources as biotic and abiotic.
(i) Metals
(ii) Fauna
Ans. (i) Metals – abiotic resource
(ii) Fauna – biotic resource
10. Give a single word for the following :
(i) Materials which have the potential to satisfy human needs but
human beings do not have the appropriate technology.
(ii) The resources which can be renewed or reproduced by physical,
chemical or mechanical processes.
Ans. (i) Stock
(ii) Renewable
11. Name any two states of India which are well endowed with solar
energy.
Ans. Gujarat and Rajasthan.
12. Name any two factors on which resource development depends.
Ans. (i) Technology
(ii) Quality of human resources.
13. What is total geographical area of India ?
Ans. 3.28 million sq. km.
14. Mention any two factors which determines the land use pattern
of a nation.
Ans. (i) Topography (ii) Population
15. What is wasteland ?
Ans. An unused area of land like rocky, arid and
desert areas.
16. What is net sown area?
Ans. Area sown once a year is known as net sown area.
17. What is gross sown area?
Ans. This represents the total sown area once/or more
than once in a particular year i.e. the area is counted as many as times as
there are sowings in a year.
18. Name any two states which have high percentage of net sown
area.
Ans. Punjab and Haryana
19. Name any two states Which have very low percentage of net sown
area.
Ans. Arunachal Pradesh and Mizoram
20. How much degraded land is present in India ?
Ans. 130 million hectares.
21. Name any two states where over grazing is one of the main
reasons for land degradation.
Ans. (i) Madhya Pradesh (ii) Rajasthan
22. What are biotic resources?
Ans. These are obtained from biosphere and have life
such as human beings, flora and fauna, fisheries, livestock etc.
23. Name any two states where over irrigation is responsible for
land degradation.
Ans. (i) Punjab (ii) Haryana
24. Name any two states where mining is responsible for land
degradation.
Ans. Jharkhand and Madhya Pradesh.
25. How over-irrigation leads to land degradation ?
Ans. Over-irrigation degrades land due to water
logging leading to increase in salinity and alkalinity of the soil.
26. How can land degradation be checked in Rajasthan as the state
is having arid soil ? Mention any two methods.
Ans. (i) Control on over grazing.
(ii) Stabilisation of sand dunes.
27. Suggest any two ways to check land degradation. [CBSE 2013, 14]
Ans. (i) Afforestation
(ii) Proper management of grazing
28. Mention any two factors which have contributed in the
development of various types of soils.
Ans. (i) Varied relief features.
(ii) Varied climatic conditions.
29. ‘The entire northern plains are made of alluvial soils. Name
the rivers due to which the soils have been deposited.
Ans. The Indus, the Ganga and the Brahmaputra.
30. How can the alluvial soil be classified according to their age
?
Ans. (i) Khadar (ii) Bangar
31. Out of Khadar and Bangar soil which is more fertile ? Give one
reason.
Ans. Khadar soil is more fertile because it has more
fine particles.
32. Name any two minerals present in alluvial soil which makes it
ideal for the growth of sugarcane, paddy, wheat and other cereals.
Ans. Potash and lime.
33. Name one important crop cultivated in :
(i) Alluvial soil (ii) Black-soil
Ans. (i) Alluvial – Wheat (ii) Black – Cotton.
34. Which soil is ideal for growing cotton ?
Ans. Black soil.
35. Which soil is well known for their capacity to hold moisture ?
Give reason.
Ans. Black soil. Because black soil is made up of
extremely fine clayey material.
36. Name a mineral in which the black soil is poor.
Ans. Phosphoric contents.
37. Why black soil is tilled immediately after the first shower ?
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