Diastase is an enzyme. (The protein
produced by living systems which acts as a
biological catalyst). Enzymes are characterised by
the name ending with -ase.
2
MCQ (Single Correct Answer)
AIPMT 2001
Which of the following is correct about H-bonding in nucleotide?
A
A $$-$$ T, G $$-$$ C
B
A $$-$$ G, T $$-$$ C
C
G $$-$$ T, A $$-$$ C
D
A $$-$$ A, T $$-$$ T
Explanation
Guanine G is linked to cytosine C by three
hydrogen bonds and adenine A is linked with
thymine T by two hydrogen bonds. It is abbreviate
as : G ≡ C and A = T
3
MCQ (Single Correct Answer)
AIPMT 2000
Which one is responsible for production of energy in bio-reaction?
A
Thyroxine
B
Adrenaline
C
Oestrogen
D
Progesterone
Explanation
It is a hormone secreted from thyroid gland.
It controls various biochemical reactions involving
burning of proteins, carbohydrates, fats to release
energy.
4
MCQ (Single Correct Answer)
AIPMT 2000
Mg is present in
A
chlorophyll
B
haemoglobin
C
vitamin-D
D
vitamin-B
Explanation
Chlorophyll is an organometallic complex with
Mg as central metal. It’s formula is C55H72MgN2O6.
Questions Asked from Biomolecules
On those following papers in MCQ (Single Correct Answer) Number in Brackets after Paper Name Indicates No of Questions