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A nitrogen-fixing microbe associated wit...

A nitrogen-fixing microbe associated withAzolla in rice fields is

A

Spirulina

B

Anabaena

C

Frankia

D

Tolypothrix

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SARAS PUBLICATION-BIOLOGY AND HUMAN WELFARE-EXAMPLE
  1. In which one of the following option the two example are correctly m...

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  2. Which one out of A-D given below correctly represents the structural ...

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  3. A nitrogen-fixing microbe associated withAzolla in rice fields is

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  4. which one of the following is an example of carrying out biological co...

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  5. Besides paddy fields, cyanobacteria are also found inside vegetative p...

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  6. The eyes of octopus and eyes of cat show different patterns of structu...

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  7. Select the taxon mentioned that represents both marine and freshwater ...

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  8. Planaria posses high capacity of:

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  9. Choose the correctly high capacity of:

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  10. Forelimbs of cat, lizard used in walking forelimbs of whale used swimm...

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  11. Which one of the following are analogous structures?

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  12. At which stage of HIV infection does not usually shows symtoms of AIDS...

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  13. To obtain virus- free healthy plants from a diseased one by tissue cul...

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  14. A scrubber in the exhaust of a chemical industrial plant removes:

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  15. The guts cow and buffalo possess:

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  16. Which of the following enhances or induces fusion of protoplasts?

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  17. Which one of the following cells during gametogenesis is normally dipl...

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  18. Which of the following is not sexually transmitted disease?

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  19. HIV that causes AIDS first starts destroying:

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  20. The active form of entamoeba histolytica feeds upon:

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