AIPMT PRELIMS2012Botany-Biological Classification
AIPMT PRELIMS 2012 Botany Bacteria MCQ Question
Type: MCQ-conceptual-Medium-Class 11
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
Correct Answer
Option D
Detailed Explanation
Phosphorus is not a constituent of all proteins; it is primarily found in nucleic acids and cell membranes.
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