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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

Tolypothrix

B

Chlorella

C

Nostoc

D

Anaboer

Text Solution

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The correct Answer is:
D
Anaboer
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MODERN PUBLICATION-MICROBES IN HUMAN WELFARE-COMPETITION FILE OBJECTIVE TYPE QUESTIONS (A. MULTIPLE CHOICE QUESTIONS) (MCQs): (From AIPMT/NEET & Other Competitive Examinations)
  1. Mycorrhizae are found in:

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  2. A major component of gobar gas is

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

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  4. First hormone produced artificially by culturing bacteria is

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  5. Mycorrhiza is an example of

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  6. A complex polysaccharide produced from sucrose by the bacterium Leucon...

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  7. Ethyl alcohol si commercially manufactured from

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  8. An anaerobic bacterium capable of atmospheric N-fixation is:

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  9. Penicillin was discovered by:

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  10. Most potential organisms for production of insecticide is

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  11. Cry 1 endotoxins obtained from Bacillus Thuringiensis are effective ag...

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  12. Modern detergents contain enzyme preparations of

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  13. Nitrogen fixation in root nodules of Alnus is brought about by

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  14. Mycorrhizae show :

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  15. Which of the following is a symbiotic nitrogen fixer ?

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  16. Which of the following fixes atmospheric nitrogen?

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  17. Pasteurization takes place at:

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  18. An example of symbiotic bacterium is

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  19. Which of the following is a free-living nitrogen fixing bacterium pres...

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  20. Lichen is the association of :

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