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CGP EDU Academic Team
Published on: August 12, 2026
Nitrogen fixing cyanobacteria are :-
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Verified by ExpertsThe correct answer is:
C
Nostoc and Anabaena are nitrogen-fixing cyanobacteria. They can convert atmospheric nitrogen into usable forms. Options with Rhizobium are incorrect because it is not a cyanobacterium. Azolla is a plant, not a cyanobacterium.
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