What is nitrogen fixation?

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Question

(D) Biological nitrogen fixation is the process by which atmospheric nitrogen $(N_2)$ is converted into ammonia $(NH_3)$ by living organisms like bact

Vedclass · Accepted Answer

Both $(a)$ and $(b)$

Vedclass · Answer

(D) Biological nitrogen fixation is the process by which atmospheric nitrogen $(N_2)$ is converted into ammonia $(NH_3)$ by living organisms like bacteria (e.g.,Rhizobium). Additionally,in the nitrogen cycle,nitrogen can also be converted into nitrates $(NO_3^-)$ through biological or atmospheric processes. Since both conversions represent pathways of nitrogen fixation in different contexts,option $(d)$ is the most appropriate answer.

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