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Which of the following is a free-living ...

Which of the following is a free-living nitrogen fixing bacterium present in the soil ?

A

Nitrosomonas

B

Rhizobium

C

Pscudomonas

D

Azotobacter

Text Solution

Verified by Experts

The correct Answer is:
D
Azotobacter
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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. Pasteurization takes place at:

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  2. An example of symbiotic bacterium is

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

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  4. Lichen is the association of :

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  5. A common biocontrol agent for the control of plant diseases is

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  6. An example of endomycorrhiza is

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  7. Which one of the following is now being commercially produced by biote...

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  8. Which of the following is produced by genetically-enineered bacteria ?

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  9. Biogas production is carried out by :

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  10. Biogas , produced by fermentation of manure, sewage cattle dung etc. p...

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  11. Single cell protein refers to

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  12. Lactobacillus mediated conversion of milk to curd results because of:

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  13. Bacillus thuringiensis is used to control

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  14. Procbiotics are :

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  15. Which of the following microbes in used for commercial production of e...

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  16. Penicillin was discovered by

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  17. A prokaryotic autotrophic nitrogen fixing symbiont is found in

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

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

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

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