1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
About 98 percent of the mas of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and
A
sulphur and magnesium
B
magnesium and sodium
C
calcium and phosphorus
D
phosphorus and sulphur.
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
An organic substance bound to an enzyme and essential for its activity is called
A
isoenzyme
B
coenzyme
C
holoenzyme
D
apoenzyme.
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by
A
base-sugar-phosphate
B
base-sugar-OH
C
(base-sugar-phosphate)
D
sugar-phosphate
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Carbohydrates, the most abundant biomolescule on earth, are produced by
A
some bacteria, algae and green plant cells
B
fungi, algae and green plant cells
C
all bacteria, fungi and algae
D
viruses, fungi and bacteria.
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