Q. Select the incorrect statement

A) Anabaena and Nostoc are not capable of fixing nitrogen in free living state
B) Phosphorus is a constituent of cell membranes, certain nucleic acid and cell proteins
C) Root nodule forming nitrogen fixers live as aerobes under free-living conditions
D) Nitrosomonas and Nitrobacter are chemoautotrophs
Explanation

Phosphorus is not a constituent of cell membrane, certain nucleic acids and cell proteins

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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