1
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
The figure given below shows the conversion of a substate into product by an enzyme. In which one of the four options (a-d) the components of reaction labelled as A, B, C and D are identified correctly?

AIPMT 2010 Mains Biology - Biomolecules Question 52 English
A
A B C D
Potential
energy
Transition
state
Activation
energy
Activation energy
with out enzyme
B
A B C D
Transition
state
Potential
energy
Activation energy
without enzyme
Activation energy
with enzyme
C
A B C D
Potential
energy
Transition
state
Activation energy
with enzyme
Activation energy
without enzyme
D
A B C D
Activation energy
with enzyme
Transition
state
Activation energy
without enzyme
Potential
energy
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Carbohydrates are commonly found as starch in plants storage organs. Which of the following five properties of starch (1 $$-$$ 5) make it useful as a storage material?
(1)  Easily translocated
(2)  Chemically non-reactive
(3)  Easily digested by animals
(4)  Osmotically inactive
(5)  Synthesized during photosynthesis
The useful properties are
A
(1), (3) and (5)
B
(1) and (5)
C
(2) and (3)
D
(2) and (4).
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Cellulose is the major component of cell walls of
A
Pseudomonas
B
Saccharomyces
C
Pythium
D
Xanthomonas.
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A competitive inhibitor of succinic dehydrogenase is
A
$$\alpha $$-ketoglutarate
B
Malate
C
malonate
D
oxaloacetate.
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