Q. The enzyme responsible for the reduction of molecular nitrogen to the level of ammonia in leguminous root nodule is

A) Nitrogenase
B) Nitrate reductase
C) Nitrite reductase
D) hydrogenase
Explanation

The enzyme responsible for nitrogen fixation is known as nitrogenase. Nitrogenase enzyme complex consists of two components, i.e., Fe-protein and Mo-Fe protein. The subunits of Fe-protein contain iron-sulphur cluster (4 Fe and 4S) that participates in the redox reactions involved in the conversion of nitrogen to ammonia.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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