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if by radiation all nitrogenase enzyme i...

if by radiation all nitrogenase enzyme is inactivated, then there will be no

A

fixation of nitrogen in legumes

B

conversion on nitrate into nitrogen

C

conversion from nitrate to nitrite in legumes

D

conversion from ammonium to nitrate in soil

Text Solution

Verified by Experts

The correct Answer is:
A
The enzyme nitrogenase is a Mo-Fe protein and catalyses the conversion of atmospheric `N_(2)` to `NH_(3)`. If this enzyme is inactivated, then there will be no fixation of nitrogen in legumes.
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NCERT FINGERTIPS-MINERAL NUTRITION-Mineral Nutrition
  1. All N(2) fixers belong to

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  2. The largest resevoir of nitrogen on earth is

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  3. if by radiation all nitrogenase enzyme is inactivated, then there will...

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  4. A farmer adds Azotobacter culture to soil before sowing maize. Which m...

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  5. is a free-living N(2)-fixing aerobic bacterium.

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  6. Which of the following is a non-symbiotic nitrogen fixing prokaryote?

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  7. Which of the following is a free-living nitrogen fixing cyanobacteria?

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  8. Symbiotic bacteria are found in the root nodules of members family

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  9. The bacteriumbelonging to group actinomycetes, produces N(2)-fixing no...

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  10. Select the mismatched pair.

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  11. Certain non-leguminous plants also form nodules to fix N(2). Example o...

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  12. N(2)-fixing blue-green alga Anabaena which is extensively used in rice...

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  13. The nodules present in the leguminous plants appear pink in colour due...

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  14. During nodule formation in leguminous plants, an infection thread is p...

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  15. Refer to the given figure and select the correct option.

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  16. Study the given figures carefully showing the development of root nodu...

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  17. What dows the given figure represent?

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  18. During N(2) fixation, reduction of one molecule of nitrogen into 2 mol...

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  19. Which one is the correct equation of nitrogen fixation?

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  20. The cofactor of nitrate reductase is

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