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Which one of the following is wrong stat...

Which one of the following is wrong statement ?

A

Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins.

B

Nitrosomonas and Nitrobacter are chemoautotrophs

C

Anabaena and Nostoc are capable of fixing nitrogen in free - living state also.

D

Root nodule forming nitrogen fixers live as aerobes under free - living conditions.

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-MINERAL NUTRITION-ASSIGNMENT (SECTION C)
  1. Deficiency symptoms of nitrogen and potas- sium are visible first in

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

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  3. Which one of the following is wrong statement ?

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  4. Which one of the following is correctly matched ?

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  5. For its action, nitrogenase requires

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  6. Best defined function of Maganese in green plants is

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  7. Nitrifying bacteria

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

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

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

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

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

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

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

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  15. An element playing important role in nitrogen fixation is

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  16. The common nitrogen-fixer in paddy fields is

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  17. Which one of the following is not a micronutrient?

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  18. One of the free-living, anaerobic nitrogenfixer is

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  19. Manganese is required in

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

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