Anabaena and Nostoc are capable of fixing nitrogen in free-living state also
B
Root module forming nitrogen fixers live as aerobes under free-living conditions.
C
Phosphorus is a constituent of cell membrances, certain nucleic acids and all proteins.
D
Nitrosomonas and Nitrobacter are chemo-autotrophs.
2
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
The given diagrammatic representation shows one of the caregories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component ''X'' in it.
A
Category
Component
Cholesterol
Guanine
B
Category
Component
Amino acid
NH2
C
Category
Component
Nucleotide
Adenine
D
Category
Component
Nucleoside
Uracil
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one is the most abundant protein in the animal world?
A
Trypsin
B
Haemoglobin
C
Collagen
D
Insulin
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one out of A - D given below correctly represents the structural formula of the basic amino acid?
