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The common nitrogen-fixer in paddy field...

The common nitrogen-fixer in paddy fields is

A

Frankia

B

Rhizobium

C

Azospirillum

D

Oscillatoria

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The correct Answer is:
B
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ALLEN-DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)-EXERCISE-II
  1. One of the free-living, anaerobic nitrogenfixer is

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  2. Ringworm in humans is caused by

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  3. The common nitrogen-fixer in paddy fields is

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  4. Examine the figures A, B, C and D. In which one of the four options al...

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  5. Which one of the following plants is monoecious?

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  6. Examine the figures (A-D) given below and select the right option out ...

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  7. Leguminous plants are able to fix atmospheric nitrogen through the pro...

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  8. Black rust of wheat is caused by

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  9. Select the correct combination of the state- ments (i-iv) regarding th...

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  10. Protista differs from monera in having

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  11. Match the contents of column-I with those of column-II

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  12. Among the following plant group which has independent gametophyte and ...

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  13. A prokaryotic autotrophic nitrogen fixing symbiont is found in

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  14. Which one of the following is not a biofertlizer

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  15. An organism used as a biofertilizer for raising soyabean crop is

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  16. Ethanol is commercially produced through a particular species of

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  17. Nitrifying bacteria

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  18. Archegoniophore is present in

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  19. The function of leghaemoglobin in the root nodules of legumes is

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  20. Compared with the gametophytes of the bryophytes, the gametophytes of ...

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