Q. The first stable product of fixation of atmospheric nitrogen in leguminous plants is

A) NO₂⁻
B) Ammonia
C) NO₃⁻
D) Glutamate
Explanation

[Solution from source] Nitrogenase in root nodules reduces atmospheric N₂ to ammonia, the first stable product of biological nitrogen fixation. Glutamate is formed later when ammonia is assimilated, and nitrite and nitrate come from nitrification, not fixation. Answer (2).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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

Want to attempt the full paper?
View Full Paper Take Full Paper Online