Question

which can not fix atmospheric nitrogen in the soil ?
option are
rhizobium
azotobacter
clostridium
penicillium​

Answer 1

Explanation:

Nitrogen cycle

• The atmospheric nitrogen cannot be taken directly by plants and animals. Certain bacteria and blue green algae present in the soil fix nitrogen from the atmosphere and convert into compounds of nitrogen.

Answer 2

the answer is option d)penicillium

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