Question

For its activity, nitrogenase requires

• A. high input of energy
• B. manganese
• C. super oxygen radicals
• D. light

Answer 1

The correct option is A high input of energy

$\text{Nitrogenase enzyme}$

An enzyme which is involved in biological nitrogen fixation is called nitrogenase. It converts atmospheric nitrogen to ammonia.

Nitrogenase enzyme requires a high input of energy in the form of ATP binding and hydrolysis to catalyse the reduction of atmospheric nitrogen.

$\text{Final answer}$

(d) high input of energy