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Essential mineral nutrients are the ele...

Essential mineral nutrients are the elements

A

In the absence of which plants cannot complete their life cycle

B

Which cannot be replaced by other element in its function

C

Which are directly associated with the plant metabolism

D

All of the above

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The correct Answer is:
D
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  8. Nitrogen fixation in root nodules of Alnus is brought about by

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  12. Which one of the following pairs is wrongly matched?

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  13. An element playing important role in nitrogen fixation is

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  14. Which one of the following is not a micronutrient

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  17. One of the free-living, anaerobic nitrogen-fixer is Or which of th...

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  18. The common nitrogen-fixer in paddy fields is

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  19. Nitrifying bacteria:-

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