Nutrition – Online MCQs Test – Biology 9th

1. The hydrochloric acid in gastric juice converts the inactive enzyme pepsinogen into active form called:

2. Saliva contains an enzyme called salivary:

3. Pepsin acts on:

4. Deficiency of dietary protein causes an imbalance in the gastro-intestinal system.

5. In stomach, food has been processed into a thick paste like liquid called:

6. It is a component of hemoglobin In red blood cells and Myoglobin in muscle cells.

7. The single lymph vessel inside the villus is called:

8. Bile is stored in the:

9. The largest part of stomach is:

10. Salivary amylase acts on:

11. Select the mismatched:

12. Cooking and heating destroys these vitamins easily.

13. Which of the following statements describes pepsin?

14. Number of essential amino acids is:

15. Deficiency of vitamin-D causes:

16. In plants, interveinal chlorosis shows deficiency of:

17. In human digestive system trachea and oesophagus both connect to the:

18. It is a sore in gut lining and can be different organs.

19. All are sources of calcium except:

20. The churning action of stomach produces heat which helps to melt: