Q. Free living nitrogen fixing bacteria are
A) Bacillus polymixa
B) Rhodoseudomonas
C) E. coli
D) Anabaena
Explanation
Bacillus polymixa is a free-living nitrogen fixing bacteria
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.