Chapter 6: Enzymes - Biology Mcqs for High School - Grade 9

1.

The specific temperature at which enzyme works at maximum rate is classified as

A. solute temperature

B. optimum temperature

C. natural temperature

D. solvent temperature

Answer & Solution Discuss in Board

2.

The narrow range of pH at which enzymes works on their maximum rate is called

A. unsaturated pH

B. optimum pH

C. natural pH

D. saturated pH

Answer & Solution Discuss in Board

3.

The state in which substrate molecules do not find any free active site is called

A. denaturation

B. maturation

C. saturation

D. instauration

Answer & Solution Discuss in Board

4.

The organic cofactors that are tightly bound to the enzymes are classified as

A. non-synthetic groups

B. synthetic groups

C. aesthetic groups

D. prosthetic groups

Answer & Solution Discuss in Board

5.

The categorization of enzymes is based on their

A. sequence of amino acids

B. working site

C. size

D. none of above

Answer & Solution Discuss in Board

6.

The organic cofactors that are loosely bound to the enzymes are classified as

A. active enzymes

B. coenzymes

C. inactive enzymes

D. aesthetic enzymes

Answer & Solution Discuss in Board

7.

The biochemical reactions are also considered as

A. gaseous release

B. chromosomal transfer

C. energy transfer

D. material transfer

Answer & Solution Discuss in Board

8.

The shapes of active sites are determined by

A. nature of enzyme

B. Specifity of enzymes

C. viscosity of enzyme

D. saturation of enzyme

Answer & Solution Discuss in Board

9.

The example of inorganic cofactors is

A. metal ions

B. potassium ions

C. nitrogen ions

D. Sulphur ions

Answer & Solution Discuss in Board

10.

How enzymes lower the amount of activation of energy includes

A. altering shape of substrate only

B. disrupting charge distribution only

C. increasing oxygen intake

D. altering shape of substrate and disrupting charge distribution

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Chapter 6: Enzymes - Biology Mcqs for High School - Grade 9

1. The specific temperature at which enzyme works at maximum rate is classified as

Answer & Solution

2. The narrow range of pH at which enzymes works on their maximum rate is called

Answer & Solution

3. The state in which substrate molecules do not find any free active site is called

Answer & Solution

4. The organic cofactors that are tightly bound to the enzymes are classified as

Answer & Solution

5. The categorization of enzymes is based on their

Answer & Solution

6. The organic cofactors that are loosely bound to the enzymes are classified as

Answer & Solution

7. The biochemical reactions are also considered as

Answer & Solution

8. The shapes of active sites are determined by

Answer & Solution

9. The example of inorganic cofactors is

Answer & Solution

10. How enzymes lower the amount of activation of energy includes

Answer & Solution

Read More Section(Biology Mcqs)

1.

The specific temperature at which enzyme works at maximum rate is classified as

2.

The narrow range of pH at which enzymes works on their maximum rate is called

3.

The state in which substrate molecules do not find any free active site is called

4.

The organic cofactors that are tightly bound to the enzymes are classified as

5.

The categorization of enzymes is based on their

6.

The organic cofactors that are loosely bound to the enzymes are classified as

7.

The biochemical reactions are also considered as

8.

The shapes of active sites are determined by

9.

The example of inorganic cofactors is

10.

How enzymes lower the amount of activation of energy includes