Multiple Choice
Biological nitrogen fixation (BNF) is inhibited by oxygen. Which of the following statements is NOT correct?
A) Nitrogen fixation is ubiquitous in soil and water.
B) Cyanobacteria are among the significant prokaryotic nitrogen fixers.
C) BNF was the major source of fixed N before the Industrial Revolution.
D) Only anaerobes fix dinitrogen on land.
E) A wide diversity of prokaryotes use the same enzyme-nitrogenase for nitrogen fixation.
Correct Answer:

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Correct Answer:
Verified
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