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MCQ Chapter 6 Biology Class 11 Maharashtra Board

Biomolecules

1. What is the Michaelis-Menten constant (Km) a measure of?

Question 1 of 20

2. What does a low Km value indicate about an enzyme?

Question 2 of 20

3. What is the sum of chemical reactions in a cell called?

Question 3 of 20

4. Which pathway involves the breakdown of complex biomolecules into simpler structures?

Question 4 of 20

5. What is the reservoir of biomolecules in a cell called?

Question 5 of 20

6. Which of the following is a type of secondary metabolite?

Question 6 of 20

7. What is the economic importance of morphine, a secondary metabolite?

Question 7 of 20

8. Which secondary metabolite improves the astringency of wines and chocolate?

Question 8 of 20

9. Which type of carbohydrate is ribose?

Question 9 of 20

10. What is the product of lactose hydrolysis?

Question 10 of 20

11. Which polysaccharide is a branched polymer of α-glucose?

Question 11 of 20

12. Which lipid is found in the myelin sheath?

Question 12 of 20

13. What is the significance of albumins as simple proteins?

Question 13 of 20

14. Which scientist discovered nucleic acids?

Question 14 of 20

15. What is the diameter of the DNA molecule according to the Watson and Crick model?

Question 15 of 20

16. Which enzyme is obtained from the stomach of a calf and used in cheese production?

Question 16 of 20

17. What happens to enzymes at temperatures above 40°C?

Question 17 of 20

18. Which factor does NOT affect enzyme activity?

Question 18 of 20

19. Which type of reaction is catalyzed by ligases?

Question 19 of 20

20. What is the role of glucosinolates in cabbage?

Question 20 of 20

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