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Which element is essential as electron c...

Which element is essential as electron carrier?

A

Potassium

B

Iron

C

Zinc

D

Calcium

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  4. Which of the following is a mobile mineral element in the plants?

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  10. One of the free-living, anaerobic nitrogenfixer is

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

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

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

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