Biomolecules Class 12 MCQs Questions with Answers

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

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

3. Secondary structure of protein refers to:

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

5. An example of non-reducing sugar is:

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

7. The correct statement for protein haemoglobin:

8. Which amino acids is a chiral?

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

10. Vitamin A is called:

11. 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 _____________________ .

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

13. Which of the following in the sweetest sugar:

14. Glucose reacts with acetic anhydride to form:

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

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

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

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

19. Mark the incorrect example:

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