Mineral Nutrition Question 38
38. Which one of the following is wrong statement?
[2012]
(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 cell membranes, certain nucleic acids and cell proteins.
(d) Nitrosomonas and Nitrobacter are chemoautotrophs.
Show Answer
Answer : c
Hints & Solution
(c) Phosphorus is a constituent of nucleic acids of both DNA and RNA but absent in cell membranes and cell proteins.
