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During biological nitrogen fixation, ina...

During biological nitrogen fixation, inacti- vation of nitrogenase by oxygen poisoning is prevented by

A

Cytochrome

B

Leghaemoglobin

C

Xanthophyll

D

Carotene

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-MINERAL NUTRITION-ASSIGNMENT (SECTION C)
  1. Which is essential for the growth of root tip?

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  2. In which of the following, all three are macronutrients?

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  3. During biological nitrogen fixation, inacti- vation of nitrogenase by ...

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  4. Minerals known to be required in large amounts for plant growth includ...

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  5. Deficiency symptoms of nitrogen and potas- sium are visible first in

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  6. The first stable product of fixation of atmo- spheric nitrogen in legu...

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  7. Which one of the following is wrong statement ?

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  8. Which one of the following is correctly matched ?

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  9. For its action, nitrogenase requires

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  10. Best defined function of Maganese in green plants is

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  11. Nitrifying bacteria

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

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  13. Which one of the following elements (miconutrients) in plants is not r...

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  14. A prokaryotic autotrophic nitrogen fixing sym- biont-is found in

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  15. Which one of the following helps in absorp- tion of phosphorus from so...

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  16. Which one of the following ions is essential for photolysis of water?

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  17. Which one of the following is not an essential mineral element for pla...

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  18. Leguminous plants are able to fix atmospheric nitrogen through the pro...

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  19. An element playing important role in nitrogen fixation is

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  20. The common nitrogen-fixer in paddy fields is

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