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

NCERT Solutions for Class 8 Social Science Geography Chapter 2 Land, Soil, Water, Natural Vegetation and Wildlife Resources are given below. These solutions contain answers to all the exercise questions given in the Geography textbook. All our solutions are updated as per the latest CBSE Syllabus and Guidelines. These solutions will also help you to score higher marks with the help of well-illustrated answers. All the questions and answers of Class 8 Geography Chapter 2 Land, Soil, Water, Natural Vegetation and Wildlife Resources are provided here in PDF format.

Class 8 Geography Chapter 2 Land, Soil, Water, Natural Vegetation and Wildlife Resources NCERT Solutions

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Exercise Questions

1. Answer the following questions.

(i) Which are the two main climatic factors responsible for soil formation?

Answer: Two main climatic factors responsible for soil formation are Temperature and Rainfall, wherein rainfall influences the rate of weathering and humus formation.

(ii)  Write any two reasons for land degradation today.

Answer:  Deforestation and the indiscriminate use of chemical pesticides and fertilisers in agricultural lands are two factors contributing to land degradation.

(iii) Why island considered an important resource?

Answer: Land is considered an important resource because it can be used for various purposes like agriculture, forestry, mining, building houses, roads and setting up of industries. It also serves as a habitat for a variety of flora and fauna.

(iv) Name any two steps that government has taken to conserve plants and animals.

Answer: Two steps that the government has taken to conserve plants and animals:

  • Has set up national parks, wildlife sanctuaries and biosphere reserves for protecting natural vegetation and wildlife; for example, the Kaziranga National Park in Assam.
  • 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 the international agreement CITES.

(v)  Suggest three ways to conserve water.

Answer: Three ways to conserve water:

  • Rain-water harvesting.
  • Lining irrigation canals to avoid seepage of water.
  • Replenishing ground water 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

Answer: (b) Soil texture

(ii) Which one of the following methods is most appropriate to check soil erosion on steep slopes?

(a) shelter belts
(b) mulching
(c) terrace cultivation

Answer: (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 inuse

(b) close the tap immediately after using

(c) dispose polybags after shopping

Answer: (c) Dispose polybags after shopping

3. Match the following

Column AColumn B
Land useprevent soil erosion
Humusnarrow zone of contact between the lithosphere, hydrosphere and atmosphere
Rock Damsproductive use of land
Biosphereorganic matter deposited on top soil
contour ploughing

Answer:

Column AColumn B
Land useproductive use of land
Humusorganic matter deposited on top soil
Rock Damsprevent soil erosion
Biospherenarrow zone of contact between the lithosphere, hydrosphere and atmosphere

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

(i) Ganga–Brahmaputra plain of India is an overpopulated region.

Answer: True.

Reason: Plains and river valleys offer suitable land for agriculture. Hence, these are densely-populated areas of the world.

(ii) Water availability per person in India is declining.

Answer: True.

Reason: Increasing population, increasing urbanization, the rising standards of living and the rising demands for food and cash crops are leading to shortages in the supply of fresh water. The shortages are either due to drying up of water sources or water pollution.

(iii) Rows of trees planted in the coastal areas to check the wind movement is called intercropping.

Answer: False.

Reason: The described process is called shelter belts. Inter cropping is the process in which different crops are grown in alternate rows, and are sown at different times to protect the soil from rain wash.

(iv) Human interference and changes of climate can maintain the ecosystem.

Answer: False.

Reason: Human interference and climatic changes for the most part adversely affect the balance of the ecosystem.

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