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The source of energy for non-biological ...

The source of energy for non-biological nitrogen fixation is
1. by ionizing events such as lightning and effect of conmic rays
2. ferredoxin enzyme and nitrogenase
3. by reduction of proteins to ammonia
4. by oxidation of ammonia to protein

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 1. by io...

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  4. Vicia faba and pisum sativum are recommended for rotation of crops bec...

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  5. Nitrogen fixing enzyme in root nodule is 1. nitrase 2. nitrogenase ...

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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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