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The common nitrogen-fixer in paddy field...

The common nitrogen-fixer in paddy fields is

A

Rhizobium

B

Azospirillum

C

Oscillatoria

D

Frankia

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The correct Answer is:
B
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CENGAGE BIOLOGY ENGLISH-MICROBES IN HUMAN WELFARE-ARCHIVES
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  6. Which one of the following helps in absorp- tion of phosphorus from so...

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  7. Which one of the following is not a biofertlizer

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  8. Which one of the following is an example .o f carrying out biological ...

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  9. maximum nutritional diversity is found in the rice fields is

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  10. A nitrogen fixing microbe associated with Azolla in rice fields is

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  11. Yeast is used in the production of

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  12. Which one of the following microbes forms symbiotic association with p...

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  14. monascus purpureus is a yeast used commercially in the production of

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  17. The domestic sewage in large cities

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  18. During sewage treatment, biogases are pro- duced which include

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