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Nitrifying bacteria-...

Nitrifying bacteria-

A

Oxidize ammonia to nitrates

B

Convert free nitrogen to nitrogen compounds

C

Convert proteins into ammonia

D

Reduce nitrates to free nitrogen

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TRUEMAN BIOLOGY-MINERAL NUTRITION-MULTIPLE CHOICE QUESTIONS
  1. Which one of the following is not an essential mineral element for pla...

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  2. An organism used as a biofertilizer for raising soyabean crop is:-

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  3. Nitrifying bacteria-

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  4. The function of leghaemoglobin in the root nodules of legumes is:-

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  5. Hydroponics is the method of

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  6. Which one of the following elements (micronutrients) in plants is not ...

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

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  8. Cuscuta is an example of

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  9. For its action, nitrogenase requires

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  10. Which one of the following is wrong statement ?

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  11. A nitrogen fixing microbe associated with Azolla in rice-fields is:-

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  12. Best defined function of manganese in green plants is

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  13. The first stable product of fixation of atmospheric nitrogen in legumi...

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  14. Deficiency symptoms of nitrogen and potassium are visible first in

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  15. Which one gives the most valid and recent explanation for stomatal mov...

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  16. During biological nitrogen fixation, inactivation of nitrogenase by ox...

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  17. In which of the following, all the three are macronutrients

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  18. Which is essential for the growth of root tip ?

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  19. Select the mismatch

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  20. In which of the following forms is iron absorbed by plants

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