The distribution of resources depends upon a number of physical factors like terrain, climate and altitude. Since these factors differ so much over the Earth, the distribution of resources is unequal.

Question - 2 : -
Tick the correct answer.

(i) Which one of the following does not make a substance a resource?
(a) Utility (b) Value (c) Quantity

(ii) Which one of the following is a human-made resource?
(a) Medicines to treat cancer
(b) Spring water
(c) Tropical forests

(iii) Biotic resources are
(a) Derived from living things
(b) Made by human beings
(c) Derived from non-living things

Answer - 2 : -

(i) (c) Quantity

(ii) (a) Medicines to treat cancer

(iii) (a) Derived from living things

Question - 3 : -
Which are the two main climatic factors responsible for soil formation?

Answer - 3 : - Temperature and rainfall are two main climatic factors responsible for soil formation. Rainfall contributes in breaking the rocks by applying pressure. Temperature fluctuations between hot and cold also form cracks in the rocks.

Question - 4 : - Write any two reasons for land degradation today.

Answer - 4 : -

Reasons for land degradation are:

Ever-growing demand of the growing population
Destruction of forest‘cover

Question - 5 : - Why is land considered an important resource?

Answer - 5 : - Land is an important resource because it provides surface for agriculture, living, forestry, industries, construction, etc. Most activities take place on land.

Question - 6 : - Name any two steps that the government has taken to conserve plants and animals.

Answer - 6 : - 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.

Question - 7 : - Suggest three ways to conserve water.

Answer - 7 : -

Three ways to conserve water are as under:

Rainwater harvesting: It is a method of collecting water while it rains so that it may come of use in the future.
The canals used for irrigation should be properly built so that loss of water does not take place while the water is transported to the field.
In dry regions, drip or trickle irrigation is suggested.

Question - 8 : -
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

(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

(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 - 8 : -

(i) (b),

(ii) (c),

(iii) (c).

Question - 9 : - What is resource conservation?

Answer - 9 : - Using resources carefully and giving them time to get renewed is called resource conservation.

Question - 10 : - Why are human resources important?

Answer - 10 : - People can make the best use of nature to create more resources when they have the knowledge, skill and technology to do so. This is why human beings are a special resource. It is the abilities of human beings which help in transferring a physical material into a valuable resource. Hence, human resources are important.

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