Mineral NutritionHard

Question

Which one of the following mineral elements plys an important role in biological nitrogen fixation ?

Options

A.Molybdenum
B.Copper
C.Manganese
D.Zinc

Solution

Molybdenum ione are components of several enzyme such as nitrate reductase and nitrogen which are involved in biological nitrogen fixation. Nitrate reductase catalyses the reduction of nitrateto nitrite during its assimilation by the plant cell while nitrogenase enzyme converts nitrogen into ammonia in nitrogen fixing organisms.

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