Q. Find out odd one form the following options by considering its role in nitrogen cycle.
A) Clostridium
B) Nostoc
C) Pseudomonas
D) Rhizobium
Explanation
Chostridium, nostoc and Rhizobium cause nitrogen-fixation, while Pseudomonas under anaerobic condition uses nitrate and reduces it to gaseous compounds of nitrogen.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.