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Nitrogen fixation by organism requires c...

Nitrogen fixation by organism requires conditions that are

A

highly alkaline

B

anaerobic

C

saturated with sunlight

D

free of water

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TRUEMAN BIOLOGY-MINERAL NUTRITION-MULTIPLE CHOICE QUESTIONS
  1. Which of the following is an incorrect match ?

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

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  3. Nitrogen fixation by organism requires conditions that are

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

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  5. On earth the largest reservoir of nitrogen is

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  6. Organisms that fix nitrogen in aquatic habitats are

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

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

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  9. Major nitrogen flxation is carried out by

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  10. Which one plays an important role in energy metabolism? 1. Calcium ...

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  11. Most of the plants obtain nitrogen from the soil in the form of 1. ni...

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  12. Deficiency of nitrogen produces

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  13. Plants absorb sulphur in the form of 1. SO(4) from soil 2. SO(2) fr...

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  14. Which of the following is an micronutrient essential for plants?

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

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  16. Which one of the following elements is not required by plants for thei...

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  17. Carbon becomes available to crop plants in the form of

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  18. On the basis of symptoms of chlorosis in leaves, a student inferred th...

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  19. Fertilizers are usually enriched in NPK which denotes

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  20. Which one is component of ferredoxin ?

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