Which of the following minerals helps in N2 fixation?
A
Copper
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B
Zinc
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C
Manganese
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D
Molybdenum
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Solution
The correct option is D Molybdenum Molybdenum is an important component of the nitrogen fixing enzymes known as nitrogenase. It is made up of two components, component I dinitrogenase and component II is dinitrogenase reductase. Component II is a Fe protein that contains the Fe-S cluster which transfers electrons to Component I and actively reduces it and participates in nitrogen fixation.