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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