Q. Component of nitrogenase and nitrate reductase is :

Q. Component of nitrogenase and nitrate reductase is :

(a) N

(b) MO

(c) Co

(d) No specific component

Solution :

Correct option : B Mo is required in the synthesis of nitrogenase and nitrate reductase and is present in the form of molybdoflavoprotein in these enzymes. These enzymes are crucial for fixing atmospheric nitrogen to the usable forms in plants. Hence, B is the correct answer.