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Which of the following can use elemental...

Which of the following can use elemental nitrogen as their nitrogen source ?

A

a) anabaena

B

b) Nitrobacter

C

c) Nitrosomonas

D

d) All of the above

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TRUEMAN BIOLOGY-MINERAL NUTRITION-MULTIPLE CHOICE QUESTIONS
  1. Nitrogen fixing enzyme in root nodule is

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  2. Which of the following is an incorrect match ?

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

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  4. Nitrogen fixation by organism requires conditions that are

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

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  6. On earth the largest reservoir of nitrogen is

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  7. Organisms that fix nitrogen in aquatic habitats are

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

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

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  10. Major nitrogen flxation is carried out by

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

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

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  13. Deficiency of nitrogen produces

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  14. Plants absorb sulphur in the form of

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  15. Which of the following is a micronutrient ?

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

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

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

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

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  20. Fertilizers are usually enriched in NPK which denotes

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