Natural Distribution of Water in India


 
 
Concept Explanation
 

Natural Distribution of Water in India

Natural Distribution of Water in India:

Water availability in India depends greatly the seasonal monsoons. The monsoons bring heavy rain over most of the country between June and October. Only Tamil Nadu is the exception and receives over half of its rain from October to November. India ranges from places having waterless conditions (Thar Desert) to places with rainforest climate (North Eastern States). In general, the northern half of the country sees greater extremes in rainfall.

  • India has a large network of rivers too. The three Major rivers, Indus, Ganga and the Brahmaputra originate in the Himalayas and drain nearly two-thirds of the land area.
  • These rivers also account for nearly the same proportion of India’s total water resources. Water in these rivers is strongly influenced by the monsoons. During the monsoons, water levels in rivers increase greatly and may result in floods.
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    Sample Questions
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    Question : 1

    Statement (i) : The level of groundwater below the surface of Earth at a given place is known as the water table.

    Statement (ii) : Extensive use of groundwater in cities for domestic and industrial purposes is resulting in lowering of water table.

    Right Option : C
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    Question : 2

    Which of the following are correct  ?

    (a)  Water availability in India depends greatly the seasonal monsoons.

    (b)  In the dry season, water levels go down quite a bit in most large rivers.

    (c) Though the coastal plains are a rich source of groundwater, they can be contaminated by  water in flow caused by the over-pumping of groundwater. 

    Right Option : D
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    Question : 3

    Which of the following are correct ?

    (a) The monsoons bring heavy rain over most of the country between June and November.

    (b)  During the monsoons, water levels in rivers increase greatly and may result in floods

    (c) The mountainous and hilly regions of north and west do not allow adequate seepage. 

    Right Option : B
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