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Q.1
Why are enzymes required?
a) Enzymes help to yield more product
b) Enzymes increase the activation energy of the reaction
c) Enzymes decrease the activation energy of the reaction
d) Enzymes maintain the equilibrium in the reaction
Q.2
Competitive enzyme inhibitors are ________
a) Reversible inhibitors
b) Irreversible inhibitors
c) Permanent inhibitors
d) None of the mentioned
Q.3
Which of the following is a non-competitive inhibitor against protease produced by HIV?
a) Tipranavir
b) Acetylcholinesterase
c) Ritonavir
d) Phenicols
Q.4
Allosteric enzymes are which _______
a) Have single subunit
b) Have multiple subunits
c) Follows Michaelis-Menten kinetics
d) Do not affect the binding affinity
Q.5
Feedback inhibition occurs due to _______
a) Excess of the reactants in the reaction
b) Presence of competitive inhibitor
c) Increase in product to a certain level
d) Presence of irreversible inhibitor
Q.6
Enzymes that transfer the phosphate group from one protein to another is called _____
a) Phosphatase
b) Phosphate transferase
c) Kinase
d) Phosphorylase
Q.7
The enzyme that catalyzes the transfer of a proton from a reactant to NAD+ is known as ______
a) Hydrolase
b) Proton carrier
c) Dehydrogenase
d) None of the mentioned
Q.8
The functions of ATP are ___________
a) ATP acts as the main source of energy in cells
b) Plays a role in transporting solutes and proteins across cell membranes
c) Contribute to the building blocks of DNA
d) All of the mentioned
Q.9
In anaerobic respiration, pyruvic acid is converted to _______
a) Lactate
b) Acetyl CoA
c) PEP
d) Acetate
Q.10
The cofactor in Haber’s process is __________
a) Molybdenum
b) Iron
c) Copper
d) Magnesium
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