Q.1
Which of the following function is catalyzed by Racemases?
  • a) Removal of water
  • b) Intramolecular transfer of a functional group
  • c) Interconversion of L and D stereoisomers
  • d) Inversion of asymmetric carbon atom
Q.2
The zymogen is an inactive precursor of an active enzyme.
  • a) True
  • b) False
Q.3
Which of the following is an example of ligases enzyme?
  • a) Mutases
  • b) Epimerases
  • c) Racemases
  • d) Carboxylases
Q.4
What is the binding energy?
  • a) Free energy released in the formation of enzyme-substrate interaction
  • b) The energy required to form a bond
  • c) The energy required to bind substrate
  • d) It is the activation energy
Q.5
Which of the following is INCORRECT for the lock-and-key model?
  • a) It is used to describe the binding process
  • b) The active site of the enzyme is complementary to the substrate
  • c) It demonstrates enzyme-substrate complex
  • d) The binding of the substrate produces a conformational change in enzyme
Q.6
Which of the following is not a catalytic strategy for an enzyme to perform specific reaction?
  • a) Covalent catalysis
  • b) Metal ion catalysis
  • c) Michaelis constant
  • d) Acid-base catalysis
Q.7
What is the SI unit of enzyme activity?
  • a) Km
  • b) Kat
  • c) Kcat
  • d) Vmax
Q.8
Which of the following is not an example of irreversible enzyme inhibitor?
  • a) Cyanide
  • b) Sarin
  • c) Diisopropyl phosphoflouridate (DIPF)
  • d) Statin drugs
Q.9
Lineweaver-Burk plot is also known as______
  • a) Double reciprocal plot
  • b) Hanes-Woolf plot
  • c) Eadie-Hofstee plot
  • d) Steady-state equation
Q.10
Name the enzyme which is found in tears, sweat, and an egg white?
  • a) Ribozyme
  • b) Lysozyme
  • c) Zymogen
  • d) Isozymes
Q.11
What is an Isozyme?
  • a) Same structure, different function
  • b) Different structure, the same function
  • c) Same structure, the same function
  • d) Different structure, different function
0 h : 0 m : 1 s