Class 11 NEET Biology Biomolecules Questions

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Question : 64 of 117

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Which one of the following is wrong statement?

(2012)

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

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