A nitrogen-fixing microbe associated with Azolla in rice fields is :

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A nitrogen-fixing microbe associated with Azolla in rice fields is :

Options

(a) Spirulina
(b) Anabaena
(c) Frankia
(d) Tolypothrix

Correct Answer:

Anabaena

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Enhancement in Food Production (101)
Subject: Biology (4253)

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