Question

Assertion: Microorganisms are present in root nodules of all plants.

Reason: They increases soil fertility.
what is the answer??
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Answer 1

Answer:

Assertion and reason bother are correct

Answer 2

Microorganism like bacteria fix nitrogen from air and atmosphere and convert them into ammonium salts and ions which increase the fertility of soil. These ammonium ions are absorbed by plants roots and plants use these ions to make amino acids and proteins which are needed for the efficient growth of plants.