Water As A Resource


 
 
Concept Explanation
 

Water As A Resource

Water for all:

Water is a basic necessity for all forms of terrestrial and aquatic It is available in the form of several water bodies like oceans, lakes and ponds. Rain is a very important source of water. Rain in India largely occurs during the monsoons. This means that most of the rain falls in few months of the year and replenishes water bodies Inspite of good rains, the failure to sustain availability of underground water is due to:

1. Lack of sufficient vegetative cover on the ground because which, only little rainwater seeps into the ground and gets stored as groundwater.

2. The high yielding varieties of crops require much amount of water for irrigation.

3. Untreated sewage -and industrial wastes discharged into the rivers and lakes reduce the availability of usable water.

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Sample Questions
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Question : 1

Which of the following are correct ?

(a) Water is a basic necessity for all forms of terrestrial and aquatic animals. It is available in the form of several water bodies like oceans, lakes and ponds.

(b) Regulation of use of water stored in dams is a way to manage the water resources

Right Option : C
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Question : 2

Which of the following are correct ?

(a) Rain is a very important source of water. 

(b) The high yielding varieties of crops require much amount of water for irrigation.

(c)  Himachal Pradesh had evolved a local system of canal irrigation called Kulhs over four hundred years ago. 

Right Option : D
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Question : 3

_________________________ is available in the form of several water bodies like oceans, lakes and ponds .

Right Option : A
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