11.What do you mean by contour ploughing?
12. What is sustainable development?
13. Why does the distribution of biomes depend on moisture?
14. What is the aim of Indian wildlife protection act?
15. Differentiate between evergreen and deciduous forests.
16. What are multipurpose river valley projects?
17. Explain any three types of soil in India with their distribution, characteristics and
crops grown.
18. What is desertification?
19. What do you mean by stock resources?
20. Where is tundra vegetation found?
Answers
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Answer:
Ans 11:
Contour ploughing is an practise of farming in which ploughing is done across a slope following its elevation contour lines. this practise is used to minimise soil erosion.
Ans 12: Sustainability is development that satisfies the needs of the present without compromising the capacity of future generations, guaranteeing the balance between economic growth, care for the environment and social well-being.
Ans 13 : In the low altitudes there is presence of moisture from evaporation of sea water and ocean currents which differentiates it from high altitudes which are characteriesed by dryness and cold winds which lack moisture. ... therefore, moisture is an important factor in determining the biomes of an region.
Ans 14: India's Wildlife Protection Act of 1972 is a comprehensive piece of legislation that regulates sanctuaries, national parks, and zoos among other protected locations. Its primary aim is to curb the illegal trade in wildlife and the derivative parts.
Ans 15:Evergreen forests are sensitive to temperature, and so these can survive in warm weather, while deciduous forests are susceptible to rainfall, and shed off their leaves in cold as well as dry conditions.
Ans 16:Multipurpose river valley project are basically designed for the development of irrigation for agriculture and electricity through the construction of dams. Initially, dams were built only for storing rain water to prevent flooding but now it became multipurpose.
Ans 18 : the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
Ans 19: Stock of resources is the amount of resources available for use.
Ans 20 : The tundra is a treeless polar desert found in the high latitudes in the polar regions, primarily in Alaska, Canada, Russia, Greenland, Iceland, and Scandinavia, as well as sub-Antarctic islands.