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Which one of the following is wrong statement?
A
Nitrosomonas and Nitrobacter are chemoautotrophs
B
Anabaena and Nostoc are capable of fixing nitrogen in free-living state also
C
Root nodule forming nitrogen fixers live as aerobes under free-living conditions
D
Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins
Detailed Solution
Phosphorus is a constituent of cell membranes, certain proteins, all nucleic acids and nucleotides.
The statement reverses this (certain nucleic acids and all proteins), so it is wrong.
The other three statements are correct.
The statement reverses this (certain nucleic acids and all proteins), so it is wrong.
The other three statements are correct.