Enzymes – Online MCQs Test – Biology 9th

1. By inhibitor, the activity of enzymes can be:

2. In 1958, the induced fit model suggested by:

3. Enzymes activity occurs within a:

4. It works at a low pH i.e. it is highly acidic.

5. Reactants of enzyme are called:

6. Enzymes have specific shape with three dimensionally folded chains of:

7. A small portion of enzyme where substrate attaches with enzyme is called:

8. Select the mismatched:

9. Chemical reaction requires particular conditions to carry down at proper rate, especially:

10. Active site continuously changes it shapes until the substrate do not bind to it, is statement of:

11. This enzyme acts on lipids only.

12. If the amount of the enzyme is kept constant and the substrate concentration is then gradually increased, the reaction velocity will:

13. Enzyme are:

14. Enzymes are sensitive to a minor change in:

15. All enzymes work at their maximum rate at:

16. In the human body, the number of known enzymes is more than:

17. The minimum amount of energy, a reaction requires to initiate, is called:

18. It works at a high pH i.e. it is basic.

19. All are factors affecting enzymes activity except:

20. Rate of reaction will increase when temperature: