Hydrosphere and Its Importance


 
 
Concept Explanation
 

Hydrosphere and Its Importance

Hydrosphere: The earth is called the blue planet. More than 71 percent of the earth is covered with water and 29 percent is with land. Hydrosphere consists of water in all its forms. As running water in oceans and rivers and in lakes. Ice in glaciers, underground water and the water vapour in atmosphere, all comprise the hydrosphere. More the 97% of the earth’s water is found in the oceans and is too salty for human use. A large proportion of the rest of the water is in the form of ice sheets and glaciers or under the ground and a very small percentage is available as fresh water for human use. Hence, despite being a ‘blue planet’ we face a shortage of water!!

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Sample Questions
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Question : 1

Which of the following statements are correct:

A. The domain of water is referred to as hydrosphere.

B. Hydrosphere comprises of various sources of water and different types of water bodies like river, lakes, seas etc.

Right Option : C
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Question : 2

The water mass of the earth including Ocean, Seas, Rivers etc in the atmosphere ?

Right Option : C
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Question : 3

Which of the following is not an ocean ?

Right Option : D
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