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The source of energy for non-biological ...

The source of energy for non-biological nitrogen fixation is

A

by ionizing events such as lightning and effect of consmic rays

B

ferredoxin enzyme and nitrogenase

C

by reduction of proteins to ammonia

D

by oxidation of ammonia to protein

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TRUEMAN BIOLOGY-MINERAL NUTRITION-MULTIPLE CHOICE QUESTIONS
  1. Bacteria which break down the dead organisms of the soil into nitrogen...

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  2. The nodules in a plant root where nitrogen fixing bacteria live forms ...

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  3. The source of energy for non-biological nitrogen fixation is

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  4. Vicia faba and pisum sativum are recommended for rotaion of crops beca...

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  5. Nitrogen fixing enzyme in root nodule is

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  6. Which of the following is an incorrect match ?

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  7. Which of the following can use elemental nitrogen as their nitrogen so...

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  8. Nitrogen fixation by organism requires conditions that are

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  9. Nodule formation is reduced in legume roots due to the deficiency of

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  10. On earth the largest reservoir of nitrogen is

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  11. Organisms that fix nitrogen in aquatic habitats are

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  12. In root nodules of leguminous plants, the pigment leghamoglobin that g...

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  13. Besides providing pink colour to the root nodules, leghaemoglobin perf...

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  14. Major nitrogen flxation is carried out by

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  15. Which one plays an important role in energy metabolism?

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  16. Most of the plants obtain nitrogen from the soil in the form of

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  17. Deficiency of nitrogen produces

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  18. Plants absorb sulphur in the form of

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  19. Which of the following is an micronutrient ?

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  20. Which of the following is not an essential micronutrient ?

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