NCERT Solutions for Class 10 Social Science Geography Chapter 1 Resource and Development are part of NCERT Solutions for Class 10 Social Science. Here we have given NCERT Solutions for Class 10 Social Science Geography Chapter 1 Resource and Development.
|Subject||Social Science Geography|
|Chapter Name||Resource and Development|
|Number of Questions Solved||11|
NCERT Solutions for Class 10 Social Science Geography Chapter 1 Resource and Development
From the exam point of view, the students should be able to :
- Identify the different resources available in the country
- Assess the significance of the available resources
- Classify resources on the basis of origin, ownership, exhaustibility and level of development
- Analyse the need for the judicial use and conservation of resources
Which one of the following type of resource is iron ore?
Under which of the following type of resource can tidal energy be put?
Which one ol the following is the main cause of hud degradation in Punjab?
(a) Intensive cultivation
(c) Over irrigation
In which one of the following states is terrace cultivation practised?
(b) Plains of IJttar Pradesh
In which of the following states is black soil found?
(a) Jammu and Kashmir
Name three states having black soil and the crop which is mainly grown in it.
Three states having black soil are Maharashtra, Madhya Pradesh and Chhattisgarh. Cotton is mainly grown in it.
What type of soil is found in the river deltas of the eastern coast? Give three main features of this type of soil.
Alluvial soil is found in the river deltas of the eastern coast.
Three features of alluvial soil are:
(a) This soil is very fertile.
(b) It consists of various proportions of sand, silt and clay.
(c) It contains adequate proportion of potash, phosphoric acid and lime.
What steps can be taken to control soil erosion in the hilly areas?
The following steps can be taken to control soil erosion in the hilly areas :
(a) Ploughing along contours on a slope
(b) Plugging of gullies with deposition of silt during heavy rains :
(c) Construction of steps on hilly slopes by cutting the rock layers to reduce the flow of water
What are the biotic and abiotic resources? Give some examples.
Biotic resources : The resources which are obtained from biosphere, and. have life are called biotic resources. Human beings, flora and fauna, fisheries, livestock, etc., are examples of biotic resources.
Abiotic resources : The resources which are composed of non-living things are called abiotic resources. Water, air, rocks, metals, etc., are examples of abiotic resources.
Explain land use pattern in India and why has the land under forest not increased much since 1960-61?
Total geographical area of India is 3.28 million sq km. Land use data, however, is available only for 93 per cent of the total area due to varied reasons. Out of this 43.41 per cent accounts for net sown, 8.96 per cent is under permanent pastures, grazing land, tree crop and culturable waste land (left uncultivated for more than 5 years), 10.85 per cent constitutes current fallow and other than current fallow, 14.21 per cent land is not available for cultivation because it is barren waste land, or used for non-agricultural use. Forest lands have risen marginally from 18.11 per cent to 22.57 per cent since 1960-61 due to increasing pressure of population on land and rapid industrialisation and urbanisation and infrastructure development activities.
How have technical and economic development led to more consumption of resources?
Resources are essential for sustainable existence and development. Technical and economic development have led to more consumption of resources because of the greed of few individuals. Greed and indiscriminate plunder has led to resources being accumulated in few hands, who use them for their immediate gain. Diversity in availability of resources and consumption without planning has led to wastage. Resources accompanied by appropriate technology, skill and institutional set up alone ensure people utilisation. Unplanned technical and economic development has led to irrational consumption, over utilisation and subsequent environmental pollution, putting the very existence of mankind at stake.
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