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Nitrogen fixation in root nodules of Aln...

Nitrogen fixation in root nodules of Alnus is brought about by

A

Frankia

B

Azorhizobium

C

Bradyrhizobium

D

Clostridium

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The correct Answer is:
A
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MOTION-MINERAL NUTRITION -EXERCISE-3
  1. About 98 percent of the mass of every living organism is composed of j...

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  2. Which one of the following elements is not an essential micronutrient ...

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

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  4. Manganese is required in

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

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  6. An element playing important role in nitrogen fixation is

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  7. Which one of the following is not a micronutrient

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

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  9. The common nitrogen-fixer in paddy fields is

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

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

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  12. A prokaryotic autotrophic nitrogen fixing symbiont is found in

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

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

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  15. Nitrifying bacteria

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

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

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

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  19. Best defined function of manganese in green plants is

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  20. Which one of the following is wrong statement?

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