NCERT Solutions for Class 8 Geography Chapter 2 Land, Soil, Water, Natural Vegetation and Wildlife Resources Social Science
In this page you will find NCERT Solutions for Class 8 Geography Chapter 2 Land, Soil, Water, Natural Vegetation and Wildlife Resources that can be useful in laying a great foundation for your future development. Whenever you have any doubts in any question, you can take help from the given NCERT Solutions. These are curated by our expert teachers who have vast experience of teaching students.
Chapter 2 Land, Soil, Water, Natural Vegetation and Wildlife Resources NCERT Solutions for Class 8 Geography
1. Answer the following questions.
(i) Which are the two main climatic factors responsible for soil formation?
Solution
Temperature and rainfall are the two main climatic factors responsible for soil formation.
(ii) Write any two reasons for land degradation today.
Solution
Deforestation and the indiscriminate use of chemical pesticides and fertilizers in agricultural lands are two factors contributing to land degradation.
(iii) Why is land considered an important resource?
Solution
Land is an important resource because it provides surface for agriculture, living, forestry, industries, construction, etc. Most activities take place on land.
(iv) Name any two steps that the government has taken to conserve plants and animals.
Solution
Two steps that the government has taken to conserve plants and animals:
• The government has set up national parks and wildlife sanctuaries for protecting natural vegetation and wildlife. For example, the Kaziranga National Park in Assam.
• It has banned the killing of lions, tigers, deer, Great Indian Bustards and peacocks. It has also prohibited the trade of the species of plants and animals protected under CITES.
(v) Suggest three ways to conserve water.
Solution
Three ways to conserve water:
• Rain-water harvesting.
• Lining irrigation canals to avoid seepage of water.
• Replenishing groundwater by promoting afforestation.
2. Tick the correct answer.
(i) Which one of the following is not a factor of soil formation?
(a) Time
(b) Soil texture
(c) Organic matter
Solution (b) Soil texture
(ii) Which one of the following methods is most appropriate to check soil erosion on steep slopes?
(a) Shelterbelts
(b) Mulching
(c) Terrace cultivation
Solution (c) Terrace cultivation
(iii) Which one of the following is not in favour of the conservation of nature?
(a) Switch off the bulb when not in use
(b) Close the tap immediately after using
(c) Dispose poly packs after shopping
Solution (c) Dispose poly packs after shopping
3. Match the following
| (i) Land Use | (a) Prevent soil erosion |
| (ii) Humus | (b) Land suitable for agriculture |
| (iii) Rock dams | (c) Productive use of land |
| (iv) Arable land | (d) Organic matter deposited on top soil |
| (e) contour ploughing |
Solution
| (i) Land Use | (c) Productive use of land |
| (ii) Humus | (d) Organic matter deposited on top soil |
| (iii) Rock dams | (a) Prevent soil erosion |
| (iv) Arable land | (b) Land suitable for agriculture |
4. State whether the given statements are true or false. If true, write the reasons.
(i) Ganga-Brahmaputra plain of India is an overpopulated region.
Solution
True
(ii) Water availability per person in India is declining.
Solution
True
(iii) Rows of trees planted in the coastal areas to check the wind movement is called intercropping.
Solution
False
(iv) Human interference and changes of climate can maintain the ecosystem.
Solution
True.
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