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Read the following statements, and choose the correct options.
A. Many members of the genus Glomus form mycorrhiza.
B. Aulosira is a non–symbiotic nitrogen fixer in rice field.
C. BGA also adds organic matter to the soil and increase its fertility.
(a)Only (A) is correct.
(b)Only (A) and (B) are correct.
(c)Only (B) is incorrect.
(d)(A), (B), and (C) are correct.

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Important Questions on Microbes in Human Welfare
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Which of the following are free–living nitrogen–fixing bacteria found in soil?

MEDIUM
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Select the incorrectly matched pair.

EASY
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Spray of Bt spores protects certain fruit trees against

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Biological control of pest is
