Biomolecules Class 12 MCQs Questions with Answers

1. Vitamin A is called:

2. Which of the following is not true about amino acids?

3. Secondary structure of protein refers to:

4. Which of the following bases is not present in DNA?

5. Mark the incorrect example:

6. How many C-atoms are there is a pyranose ring?

7. Which functional group participates in disulphide bond formation in proteins?

8. Which amino acids is a chiral?

9. The vitamins absorbed from intestine along with fats are:

10. The enzyme which hydrolysis triglycerides to fatty acids and glycerol is called:

11. An example of non-reducing sugar is:

12. Which of the following biomolecules is insoluble in water?

13. In fibrous proteins, polypeptide chains are held together:

14. Glycogen is a branched chain polymer of α-D-glucose units in which chain is formed by C1—C4 glycosidic linkage whereas branching occurs by the formation of C1-C6 glycosidic linkage. Structure of glycogen is similar to _____________________ .

15. Denaturation of protein leads to loss of its biological activity by:

16. Glucose reacts with acetic anhydride to form:

17. Which of the following in the sweetest sugar:

18. Which of the following statements is true for protein synthesis

19. The correct statement for protein haemoglobin:

20. Which of the following polymer is stored in the liver of animals?