Biology Chapter Enzymes MCQs With Answers

In order to get the Biology Chapter Enzymes MCQs With Answers, you are on the right site. Enzymes are proteins and they act as biological catalysts in organisms. The MCQs with Answers are available here for the students who are going to appear in the MDCAT test. This chapter comprises the introduction and then the characteristics of enzymes. Then there is the mechanism of the action of these enzymes. There are four steps in which enzymes act. It is described in detail in this chapter. There are some factors that affect the enzymes’ action. These factors involve temperature, pH, and concentration. There is an important concept of Enzyme Inhibitors. They block the activity of enzymes. So that’s the brief introduction of this chapter. Now, check out the important Enzymes MCQs with Answers below. Solve the quiz and check out the results.

Biology Chapter Enzymes MCQs With Answers

5360

ENZYMES

1 / 20

1. Sucrase (invertase) acts on:

A) Any disaccharide

B) Sucrose

C) Any organic Monomer

D) Sucrose and starch

2 / 20

2. A metabolic pathway is a:

A) Route taken by a single particular enzyme

B) Routes taken by all enzymes in a specific medium

C) Route taken by chemicals through a solution

D) Sequence of enzyme controlled reactions

3 / 20

3. Active enzymes present in:

A) Viroids

B) Prions

C) Viruses

D) Mycoplasma

4 / 20

4. Which one is hydrolase?

A) Enolase

B) Amylase

C) All of these

D) Polymerase

5 / 20

5. Energy must be added for a chemical reaction to start: This is energy of

A) Enthalpy

B) Entropy

C) Oxidation

D) Activation

6 / 20

6. Temp. is going from 15 to 41° C, rate of reaction is going:

A) Up

B) Down then up

C) Down

D) Up then down

7 / 20

7. Co-enzyme is often formed from:

A) Lipid

B) Inorganic ion

C) Vitamin

D) Protein

8 / 20

8. A complete enzyme is:

A) Apoenzyme

B) Coenzyme

C) Holoenzyme

D) Cofactor only

9 / 20

9. Blocking of the active site of an enzyme temporarily is a type of:

A) Competitive inhibition

B) Irreversible inhibition

C) Non- competitive inhibition

D) Feedback Inhibition

10 / 20

10. A group of enzymes called hydrolases acts upon:

A) Lipids

B) All of these

C) Proteins

D) Carbohydrate

11 / 20

11. Co-enzyme is often a:

A) Lipid

B) Vitamin

C) Protein

D) Inorganic ion

12 / 20

12. Enzyme groups recognized by IUB:

A) 8

B) 4

C) 2

D) 6

13 / 20

13. In feedback inhibition, a metabolic pathway is switched off by

A) Accumulation of end product

B) Competitive inhibition

C) Rise in temperature

D) Lack of substrate

14 / 20

14. Protein into peptones by:

A) Trypsin

B) Pepsin

C) both A and B

D) Erypsin

15 / 20

15. Enzyme study is:

A) it is possible to study enzymes both invivo and invitro

B) in vivo possible

C) invitro possible

D) impossible

16 / 20

16. Which enzyme digests the major food source in Bean and Sunflower?

A) Lipase

B) Amylase

C) Protease

D) Diastase

17 / 20

17. An enzyme at below 5° C is:

A) Un-activated

B) Activated

C) Denatured

D) Destroyed

18 / 20

18. Starch is converted into maltose by:

A) Invertase

B) Maltase

C) Hydrozenase

D) Diastase

19 / 20

19. Active site of enzyme is produced by:

A) Charges

B) Globular structure

C) Both a and b

D) Fibrous structure

20 / 20

20. Enzymes that are slightly different in molecular structure but can perform similar activities are called:

A) Dehydrogenases

B) Apoenzyme

C) Isozyme

D) Kinases

Your score is

Biology Chapter Enzymes MCQs With Answers

Related Articles

Biology Biological Molecules MCQs with Answers

Biology Coordination and Control MCQs With Answers

Bio Chapter Biodiversity MCQs With Answers

Post Comment Cancel reply