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Which of the following is a symbiotic ni...

Which of the following is a symbiotic nitrogen fixer ?

A

Azotobacter

B

Frankia

C

Azalia

D

Glomus

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The correct Answer is:
B
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MOTION-MINERAL NUTRITION -EXERCISE-3
  1. Nitrogen fixation in root nodules of Alnus is brought about by

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  2. Manganese is required in

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

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  4. An element playing important role in nitrogen fixation is

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  5. Which one of the following is not a micronutrient

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  6. One of the free-living, anaerobic nitrogen-fixer is Or which of th...

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  7. The common nitrogen-fixer in paddy fields is

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  8. Study the cycle shown in Fig. 12.7 and select the option which gives c...

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

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  10. A prokaryotic autotrophic nitrogen fixing symbiont is found in

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  11. Which one of the following elements in plants is not remobilised ?

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

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  13. Nitrifying bacteria

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

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

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

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  17. Best defined function of manganese in green plants is

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  18. Which one of the following is wrong statement?

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  19. For its action, nitrogenase requires

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  20. The first stable product of fixation of atmospheric nitrogen in legumi...

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