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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:
D
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MOTION-DIVERSITY IN THE LIVING WORLD-Exercise - 3 AIPMT & NEET Previous Year Questions
  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. A prokaryotic autotrophic nitrogen fixing symbiont is found in

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  5. Which one of the following is not a biofertilizer?

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

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  7. Ethanol is commercially produced through a particular species of:-

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  8. Nitrifying bacteria

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  9. Archegoniophore is present in

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

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

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  12. The gametophyte is not an independent, free-living generation in

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  13. Examine the figure given below and select the right option giving all ...

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  14. Selaginella and Salvinia are considered to represent a significant ste...

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  15. Consider the following four statements whether they are correct or wro...

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  16. Which one of the following is a wrong matching of a microbe and its in...

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  17. The pathogen Microsporum responsible for ringworm disease in humans be...

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  18. Cycas and Adiantum resemble each other in having

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  19. Maximum nutritional diversity is found in the group

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  20. Which one of the following is common to multicellular fungi, filamento...

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