NEET Biology question

Which of the following is a symbiotic nitrogen fixer?

(A)Glomus
(B)Azotobacter
(C)FrankiaCorrect
(D)Azolla

Answer: (C)

Solution

*Frankia* is a filamentous actinomycete that forms a symbiotic, nitrogen-fixing association with the root nodules of several non-leguminous plants (e.g., *Casuarina*). *Azotobacter* is a free-living nitrogen fixer, *Glomus* forms mycorrhizal

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Question ID VK-087658