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The reduction of nitrate to nitrite during nitrogen assimilation is carried out by 

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The reduction of nitrate to nitrite during nitrogen assimilation is carried out by 

(a) nitrite reductase and Mg 

(b) nitrate reductase and FAD 

(c) nitrate reductase and ferredoxin 

(d) nitrite reductase and aspartate

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Correct option: (b) nitrate reductase and FAD

Nitrate reductase is a flavoprotein and requires reduced co-enzyme NADH for its activity. This co-enzyme contacts with nitrate by FAD.

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