Examveda
Examveda

Nitrogen Fixation is carried out primarily by

A. Plants

B. Humans

C. Consumers

D. Bacteria

Answer: Option D

Solution(By Examveda Team)

Nitrogen fixation is carried out naturally in soil by microorganisms termed diazotrophs that include bacteria such as Azotobacter and archaea. Some nitrogen-fixing bacteria have symbiotic relationships with plant groups, especially legumes.

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D. increase in the thickness of ozone layer in troposphere