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An organism used as a biofertilizer for ...

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

A

Azotobacter

B

Azospirillum

C

Rhizobium

D

Nostoc

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TRUEMAN BIOLOGY-MINERAL NUTRITION-MULTIPLE CHOICE QUESTIONS
  1. One of the free-living, anaerobic nitrogen fixer is

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

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

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  4. Nitrifying bacteria:-

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

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  6. Hydroponics is the method of

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  7. Which one of the following elements (miconutrients) in plants is not r...

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

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  9. Cuscuta is an example of

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  10. For its action, nitrogenase requires

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  11. Which one of the following is wrong statement ?

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

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  13. Best defined function of manganese in green plants is

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

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

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

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

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

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

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  20. Select the mismatch

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