Biosphere


 
 
Concept Explanation
 

Biosphere

Biosphere:

The parts of the lithosphere, the hydrosphere and the atmosphere in which life exists together form the biosphere.

  • It has both living and nonliving worlds. The living world is called the biotic component, whereas the nonliving one is called the abiotic component. Soil, water and air constitute the abiotic component whereas all living beings constitute the biotic component.
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    Sample Questions
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    Question : 1

    The various kinds of species of organisms and their range found in particular area is called ______________________ .

    Right Option : B
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    Question : 2

    What does loss of biodiversity lead to?

    Right Option : A
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    Question : 3

    Which of the following are correct :

    (a) Biosphere includes both living and nonliving worlds.

    (b) The living world is called the biotic component.

    (c) Soil, water and air constitute the abiotic component.

    Right Option : D
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