Multiple Choice: Choose the Best 1. Enzymes acts best at a particular temperature called
a. Catalytic Temperature
c. Normal Body Temperature
b. Optimum Temperature
d. None of the above

2. Which of the following is INCORRECT. a. Enzymes are protein in nature.
b. Enzymes are thermolabile
c. Enzymes are colloidal in nature
d. Enzymes are inorganic in nature.

3. What restricted region does enzyme molecules binds with the substrate?
c. Hexokinase
c. Structure Locked
d. Active Site
d. Configuration Site

4. How does Enzyme speed up melabolic reaction?
a. Lowering energy barriers
c. Increase energy barrier
b. Increase Temperature
d. Lower Temperature

5. Acetyl-CoA synthetase and DNA ligase are example of what type of enzyme? a. Isomerases
c. Ligases
b. Hydrolases
d. None of the above

6. Which of the following chemical reaction refers to the transfer of one or more electron from one reactant to another?
a. Cellular Respiration
c. Aerobic Respiration
b. Redox Reaction
d. Chemical Reaction

7. The loss of electrons from one substance is called
a. Reduction
c. Transferation
b. Oxidation
d. Transportation

8. The addition of electron to another substance is called
a. Reduction
c. Transferation
b. Oxidation
d. Transportation

9. Which among the following is not a redox reaction?
a. Decomposition Reaction
c. Combination Reaction
b. Displacement Reaction
d. Proportional Reaction​