1
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following statements is incorrect?
A
The compettive inhibitor does not affect the rate of breakdown of the enzyme -substrate complex.
B
The presence of the competitive inhibitor decreases the Km of the enzyme for the substrate
C
A competitive inhibitor reacts reversibly with the enzyme to form and enzyme-inhibitor complex.
D
In competitive inhibition, the inhibitor molecules is not chemically changed by the enzyme.
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following is a non - reducing carbohydrate?
A
Maltose
B
Sucrose
C
Lactose
D
Ribose 5-phosphate
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Select the option which is not correct with respect to enzyme action.
A
Substrate binds with enzyme at its active site.
B
Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate.
C
A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate.
D
Malonate is a competitive inhibitor of succinic dehydrogenase.
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements about enzymes is wrong?
A
Enzymes are denaturated at high temperatures.
B
Enzymes are mostly proteins but some are lipids also.
C
Enzymes are highly specific.
D
Enzymes require optimum pH and temperature for maximum activity.
NEET Subjects
EXAM MAP