Class 8 Geography Ch 2 Land, Soil, Water, Natural Vegetation, and Wildlife Resources

 Class 8 Geography Ch 2 Land, Soil, Water, Natural Vegetation, and Wildlife Resources

Answer the following questions:

(i) The two main climatic factors responsible for soil formation are temperature and rainfall.

(ii) Two reasons for land degradation today are overgrazing and deforestation.

(iii) Land is considered an important resource because it provides space for human settlements, agriculture, industries, and other human activities.

(iv) Two steps taken by the government to conserve plants and animals are setting up national parks and wildlife sanctuaries, and banning hunting and poaching.

(v) Three ways to conserve water are:

• Rainwater harvesting
• Fixing leaky taps and pipes
• Use of drip irrigation in agriculture

• Match the followings:

(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) Biosphere - (b) narrow zone of contact between the lithosphere, hydrosphere and atmosphere

 

State whether the given statement is true or false:

(i) True. The Ganga–Brahmaputra plain of India is an overpopulated region because it has high population density and limited resources to support the population.

(ii) True. Water availability per person in India is declining due to overuse, pollution, and climate change.

(iii) False. Rows of trees planted in the coastal areas to check the wind movement is called Shelter belts, not intercropping.

(iv) False. Human interference and changes of climate can disrupt the ecosystem, but cannot maintain it.