Importance of Water for Sustaining Life


 
 
Concept Explanation
 

Importance of Water for Sustaining Life

Water : Water is an transparent, tasteless, odour - less liquid essential for all living organisms.It is the main constituent of Earth's hydrosphere.

Importance of Water for Sustaining Life:

  • All living things on the Earth depend on water.
  • Animals as well as Plants need water to survive and grow.
  • Most of the life processes animals and plants occur in the medium of water. It also help animals to keep cool.
  • The blood in our body is mostly water. Water also helps to keep our muscles and joints running smoothly.
  • Nearly three-fourths of the earth's surface is covered with WATER.
  • About 70% of the human body is water.
  • Sample Questions
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    Question : 1

    What is one of the primary functions of water in sustaining life?

    Right Option : D
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    Question : 2

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

    Statement (ii) : Excess use of groundwater in cities is resulting in lowering of water table.

    Right Option : C
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    Question : 3

    _________________  helps to keep our muscles and joints running smoothly.

    Right Option : A
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