Home Biology Microbes in Human Welfare Previous Year Questions A nitrogen-fixing microbe associated with Az…
Biology Microbes in Human Welfare Previous Year Questions Single Correct MCQ
Published on: August 26, 2026

A nitrogen-fixing microbe associated with Azolla in rice field is

 

A
Spirulina
B
Anabaena
C
Frankia
D
Tolypothrix

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Text Solution

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The correct answer is:
B

(b)

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