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A free-living nitrogen-fixing cyanobacte...

A free-living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is :

A

Chlorella

B

Nostoc

C

Anabaena

D

Tolypothrix

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TRUEMAN BIOLOGY-MICROBES IN HUMAN WELFARE -Multiple choice question
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  2. Formation of vinegar form alcohol is caused by

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  3. A free-living nitrogen-fixing cyanobacterium which can also form symbi...

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  4. Bacillus thuringiensis (Bt) strains have been used for designing novel

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  5. The bacterium capable of anaerobic N2 fixa-tions known as

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  6. Which of the following plants are used as green manure in crop fields ...

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  7. Which one acts as a biofertilizer

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  8. Which one is a biofertilizer

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  9. Select a best fertilizer.

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  10. Group of bacteria used in biogas production is

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  11. Industrial production of ethanol from which is brought about by a cert...

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  12. Which of the following was an accidental discovery?

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  13. Bacterium useful in dairy and curdling of milk is :

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  14. Sour taste of vinegar in due to:

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  15. Antibiotics inhibit the growth of or destroy

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  16. Term Antibiotics was introduced by S.A. Waksman. Which species produce...

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  17. The phenomenon of antibiosis (i.e., secretion of one microbe) was disc...

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  18. Waksman isolated

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  19. The main reason why antibiotics could not always treat the bacteria-me...

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  20. Genetically engineered human insulin is synthesized with the help of

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