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

    Ecosystem is a function unit of biosphere, composed of biotic and abiotic factors that interact among themselves. There is a continuous flow of energy and matter through the system.Ecosystem has two components -                    

    Right Option : C
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    Question : 2

    If all the plants of the world die, all the animals will also die due to the shortage of ______________________

    Right Option : B
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    Question : 3

    In what form does oxygen ocur in the atmosphere?

    Right Option : B
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