Land, Soil, Water, Natural Vegetation and Wild Life Resources NCERT Solutions Class 8 Social Science Chapter 2 with Answers

Land, Soil, Water, Natural Vegetation and Wild Life Resources NCERT Solutions Class 8 Social Science Chapter 2 with Answers

We have Provided the NCERT/CBSE Solutions chapter-wise. Class 8 Social Science Chapter 2 Land, Soil, Water, Natural Vegetation and Wild Life Resources with Answers by expert subject teacher for latest syllabus and examination. Students can take a free CBSE Solutions of Land, Soil, Water, Natural Vegetation and Wild Life Resources. Each question has right answer Solved by Expert Teacher.

NCERT/CBSE Solutions Class 8 Social Science Beehive Prose

Page No. 22

Exercises

Q1. Answer the following questions.

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

Answer: Temperature and rainfall are the two main climatic factors responsible for soil formation.

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

Answer: Two factors contributing to land degradation are as mentioned below :

  1. Deforestation.
  2. Indiscriminate use of chemical fertilisers and pesticides in agricultural lands.

(iii) Why is land considered an important resource?

Answer: Land is considered an important resource because it can be put to use for various purposes like agriculture, forestry, mining, building houses, roads and setting up of industries.

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

Answer: Steps taken by the government include establishment of natural parks and wildlife sanctuaries in different parts of India. Their purpose is conservation of vegetation and wildlife, respectively.

(v) Suggest three ways to conserve water.

Answer: Three ways to conserve water are:

  • Replenishing groundwater by encouraging afforestation.
  • Avoiding seepage of water by lining irrigation canals.
  • Rainwater harvesting.

Q2. Tick the correct answer.

(i) Which one of the following is nota 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 in use
(b) Close the tap immediately after using
(c) Dispose polypacks after shopping

Answer: (c) Dispose polypacks after shopping

Q3. Match the following.

Image 1

Answer:
(i)—(c),
(ii)— (d),
(iii) —(a),
(iv) —(b).

Q4. State whether the given statements are true or false. If true, write the reasons.

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

Answer: Ganga-Brahmaputra plain of India is an overpopulated region. True
Reasons: Fertile land—agriculture main occupation, easily available job opportunities, developed agriculture-based industries, developed means of transport and communication.

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

Answer: Water availability per person in India is declining true.
Though water is present in abundance, fresh water is a scarce resource. Water availability is a serious problem in many regions of the world. Due to the wastage of water, deforestation, and the pollution and depletion of fresh water reserves (such as rivers and ground water), the availability of water is fast declining.

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

Answer: This statement is false. The described process is called shelter belts.
Intercropping 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: Climate change and human interferences can cause the loss of natural habitats, and hence destroy the ecosystem.

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