Enzymology MCQs

By Prof. Fazal Rehman Shamil
Last modified on September 12th, 2020

Enzymology MCQs

1.  We use enzyme papain to …

a) tenderize meat

b) increase production

c) leaven the meat

d) none of these

Answer - Click Here:
A

2. Digestive enzyme belongs to which class?

a) hydrolases

b) ligases

c) lipases

d) acetylases

Answer - Click Here:
A

3. Apoenzymes are synthesized in …

a) active form

b) inactive form

c) pro-active form

d) all of these

Answer - Click Here:
B

4. The chemical nature of the enzyme is … 

a) DNA

b) RNA

c) nucleic acid

d) protein

Answer - Click Here:
D

5. “Ki” shows

a) compettition inhibition

b) denaturation

c) reaction velocity

d) none of these

Answer - Click Here:
A

6. Which of the following resembles the competitive inhibitor malonic acid?

a) succinic acid

b) fumaric acid

c) malic acid

d) none of these

Answer - Click Here:
A

7. The active site of enzyme  remain …

a) rigid

b) globular

c) rough

d) none of these

Answer - Click Here:
D

8. Iodine is …

a) uncompetetive enzyme inhibitor

b) specific enzyme inhibitor

c) enzyme regulator

d) none of these

Answer - Click Here:
B

9. Which of the following is the not a substrate specific enzyme?

a) fructokinase

b) glucokinase

c)  hexokinase

d) none of these

Answer - Click Here:
C

10. Which of the enzyme participate as a coenzyme when pyruvate is converted to oxaloacetate?

a) biotin

b) NAD+

c) ATP++

d) NAD

Answer - Click Here:
A

11. The coenzyme is basically  a …

a) protein

b) carbohydrate

c) vitamin

d) none of these

Answer - Click Here:
C

12. Which of the fllowing enzyme joins the ends  of two strands of nucleic acid?

a) ligase

b) protease

c) lipase

d) hydrolase

Answer - Click Here:
A
 

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