RBSE Solutions for Class 8 Social Science Geography Chapter 2 Land, Soil, Water, Natural Vegetation and Wildlife Resources

Rajasthan Board RBSE Solutions for Class 8 Social Science Geography Chapter 2 Land, Soil, Water, Natural Vegetation and Wildlife Resources Textbook Exercise Questions and Answers.

RBSE Class 8 Social Science Solutions Geography Chapter 2 Land, Soil, Water, Natural Vegetation and Wildlife Resources

RBSE Class 8 Social Science Land, Soil, Water, Natural Vegetation and Wildlife Resources InText Questions and Answers

Quetion 1. 
Answer the following questions-
(i) Which are the two main climatic factors responsible for soil formation?
Answer:
The two main climatic Factors responsible for soil formation are as follows-

1. Temperature
2. Rain.

(ii) Write two reasons for land degradation today.
Answer: 
Two reasons for land degradation are as follows-

1. Agriculture-related activities
2. Construction-related activities.

(iii) Why is land considered an important resource?
Answer:
The land is an important natural resource. Maximum production and economic activities take place on land. The land is used for various purposes such as agriculture, forestry, mining, building houses, roads and setting up of industries. Therefore, most of the human needs are fulfilled by the land itself, land is the most important natural resource for the life and livelihood of the people.

(iv) Name any two steps that the government has taken to conserve plants and animals. 
Answer:
Two steps that the government has taken to conserve plants and animals are as follows-

1. Establishment of national parks and wildlife sanctuaries.
2. Prohibiting illegal cutting of forests and hunting.

(v) Suggest three ways to conserve water.
Answer:
Three ways to conserve water are as follows-

1. Forest and other vegetation should expand, this slows the surface flow and replenishes groundwater.
2. The canals used for irrigating fields should be properly lined to minimize losses of water seepage. 
3. Irrigation by sprinklers should be done in the fields to prevent water losses through seepage and evaporation.

Question 2. 
Tick the correct answers-
(i) Which One of the following is NOT a factor of soil formation?
(a) Time
(b) Soil texture
(c) Organic matter.
Answer:
(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.
Answer:
(c) terrace cultivation.

(iii) Which one of the following is NOT in favor of the conservation of nature?
(a) switch off the bulb when not in use.
(b) close the tap immediately after using.
(c) dispose of polypacks after shopping.
Answer:
(c) dispose poly of packs after shopping.

Question 3. 
Match the followings-

Answer:

Question 4. 
State whether the given statement is true or false. If true, write the reasons.

1. Ganga-Brahmaputra plain of India is an overpopulated region.
2. Water availability per person in India is declining.
3. Rows of trees planted in the coastal areas to check the wind movement is called intercropping.
4. Human interference and changes of climate can maintain the ecosystem.

Answer: 

1. True, the soil of the Ganges and Brahmaputra plains of India are very fertile and it is flat and water availability is also sufficient, hence there is a considerable population inhibiting these plains.
2. Truth, the distribution of water in India is quite uneven, maximum sources of water are getting polluted and the population is also increasing rapidly, hence the per person water availability in India is declining.
3. False
4. False.