Question

Discuss the nitrogen cycle in nature? (5)

Answer 1

★ Nitrogen Cycle...✒

• Nitrogen in the atmosphere gets converted to protoplasm in green plants by nitrogen fixation.

• The protoplasm gets converted into ammonia by ammonification.

• The ammonia then converts to nitrites and then nitrates.

• Then nitrogen in the atmosphere gets directly converted to nitrates through nitrification.

• The nitrates get converted into nitrogen through denitrification.

• Sources of oxygen in the atmosphere

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