Which one of the following is wrong statement

Options

A. Anabaena and Nostoc are capable of fixing nitrogen in free living state also
B. Root nodule forming nitrogen fixers live as aerobes under free living conditions
C. Phosphorus is a constituent of all membranes , certain nucleic acids and all proteins
D. Nitrosomonas and Nitrobacter are chemoautotrophs

Answer

C

Explanation

Phosphorous is a constitutent of plasma membrane, certain proteins, all nucleic acids and nucleotides. It is also required for all phosphorylation reactions.