NCERT Solutions for Class 10 Geography Ch 1 - Resources And Development

byMr. Chandan

 NCERT Solution for Class 10 Social Science, Geography [Contemporary India - II] Chapter 1 - Resources And Development

Exercises, Page - 12

1. Multiple Choice questions.
    
(i) Which of the following type of resource is iron ore ?
      (a) Renewable                        
      (b) Biotic
      (c) Flow                                 
      (d) Non-renewable
Answer: (d) Non-renewable

(ii) Under which of the following type of resource is tidal energy cannot be put ?
      (a) Replenishable
      (b) Human - made
      (c) Abiotic
      (d) Non - recyclable
Answer: (a) Replenishable

(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
Answer: (c) Over irrigation

(iv) In which of the following states is terrace cultivation practised ?
       (a) Punjab
       (b) Plains of Uttar Pradesh
       (c) Harayana
       (d) Uttrakhand
Answer: (d) Uttrakhand

(v) In which of the following states black soil is predominantly found ?
      (a) Jammu and Kashmir
      (b) Maharashtra
      (c) Rajasthan
      (d) Jharkand
Answer: (b) Maharashtra

2. Answer the following questions in about 30 words.

(i) Name three states having black soil and the crop which is mainly grown in it.
Answer:
States with black soils are :
  1. Gujrat
  2. Maharashtra
  3. Madhya Pradesh
Crop grown : cotton

(ii) What type of soil is found in the river deltas of the eastern coast ? Give three main features of this type of soil.
Answer:
Soil found in Coastal Deltas : Alluvial Soil
Main features of Alluvial Soil :
  • Alluvial Soil is very fertile
  • Due to its high fertility, these soils are intensively cultivated.
  • These soils are rich in Potash, Phosphorous, Acid and Lime.
(iii) What steps can be taken to control soil erosion in the hilly areas ?
Answer:
Steps to control soil erosion in hilly areas :
  • Contour ploughing on slopes
  • Terraced cultivation restricts erosion
  • Strip cropping checks soil erosion
  • Planting of trees to form shelter belts.
(iv) What are the biotic and abiotic resources ? Give some examples ?
Answer:
Biotic Resources - The living resources are called biotic resources. These are obtained from Biosphere. Such as flora and fauna, fisheries, livestock, etc.
Abiotic Resources - Non-living resources are called abiotic resources. For example rocks and metals.

3. 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 ?
Answer:
Resources And Development
Forest Area - The land under forests has not increased much from 1960-61. This is due to reckless deforestation. Due to increase in population, the forests have been cleared for cultivation.

(ii) How have the technical and economic development led to more - consumtion of Resources ?
Answer:
Resources should be availbale for development. Dur to absence of technology many resource regions remain backward.
Reasons :
  • Technology is used to exploit resources in India. The consumption of resource is increasing due to use of technology and quality of human resources.
  • With the use of technology, humans interact with nature and create institutions to increase the consumption of resources to increase the economic development.
  • Human made resource, like house, buildings, roads, industries need more consumption of resources.
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