Question

An element piaying mmportant role in nitrogen fixation is (1)Zinc (2)Molybdenum (3)Copper (4)Manganese

Answer 1

Answer: Molybdenum plays important role in nitrogen fixation as it is a key element of nitrogen-fixing enzymes i.e., nitrogenase, nitrite reductase and nitrate reductase. It is present in the conjugated form with iron in these enzymes.

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