Biological Molecules – Online MCQs Test – Biology MCAT

1. Why heat cannot be used as activation energy in living system ?

2. Living surfaces are made water resistant and abrasion resistant by:

3. If in a lipid there is a higher proportion of unsaturated fatty acids then it will be:

4. Non-competitive inhibitors are not affected by:

5. A DNA strand is directly involved in the synthesis of following except

6. The carbohydrates taken by humans in diet is mainly:

7. that can alter the chemistry and shape of an enzyme affects its rate of catalysis:

8. During strenuous exercise glucose is converted into

9. Which is NOT a characteristic of water?

10. The substances that bind to the enzyme to increase enzyme activity are called:

11. Which one of the following pairs is not correctly matched?

12. has an un-branched structure and its monomers are linked together by 9-1, 4-glycosidic linkages:

13. The proteins, which regulate metabolic activities are:

14. These are frequently associated with cellular membranes:

15. In a phospholipid molecule phosphoric acid is attached to the carbon number _________ of glycerol:

16. The inhibitor that destroys the enzyme’s active site permanently are called:

17. A polysaccharide found In plants whose function is storage is

18. An enzyme is mostly a:

19. Activation energy is measured in:

20. Which of the following is correctly matched?