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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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AAKASH SERIES-MICROBES IN HUMAN WELFARE -EXERCISE-III (Previous AIPMT/NEET Questions)
  1. Match the following list of microbes and their importance:-

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  2. What gases are produced in anaerobic sludge digesters?

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  3. During sewage treatment, biogases are produced which include

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  4. A good producer of citric acid is

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

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  6. A patient brought to a hospital with myo -cardial infarction is normal...

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  7. Which one of the following microorganisms forms symbiotic assocation w...

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  8. Yeast is used in the production of

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

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

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  11. Which one of the following is not a biofertiliser?

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

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  13. A common biocontrol agent for the control of plant diseases is

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  14. The common nitrogen-fixer in paddy fields is

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  15. Which one of the following is not used in or- ganic farming?

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  16. Trichoderma harizianum has proved to be a useful microorganism for

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  17. Cry 1 endotoxins obtins obtained from Bacillus thuringiensis are...

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  18. Probiotics are

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  19. Which one of the following parts is wrongly matched?

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  20. Which of the following is true pair of biofertilizers : -

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