Q2 of 287 Page 362

Name the physical divisions of biosphere.

Biosphere has 3 divisions

● Lithosphere (land),


● hydrosphere (water), and


● Atmosphere (air).


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6

(a) List two bacteria which bring about nitrification.

(b) List one denitrifying bacteria.


(c) List any two bacteria which play a role in biological nitrogen fixation.

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What is biosphere?

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What are natural resources?

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What is the literal meaning of resource?