Nutrition – Online MCQs Test – Biology 9th

1. Mixing of food in the intestine with digestive juices is called:

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

3. Organisms which derive their food from dead and decaying organic material are called:

4. This leads to obesity, diabetes and cardiovascular problems.

5. Pepsin acts on:

6. Proteins consist of units called:

7. All animals, non-green plants and fungi are:

8. Stomach opens into:

9. Number of amino acids is:

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

11. An organism needs It in small quantities for the proper functioning of its metabolism.

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

13. Process by which organism obtain and use the nutrients required for maintaining life is called:

14. Goiter is caused by an insufficient amount of:

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

16. Bile juice is secreted by:

17. Heptic portal vein carries food to the:

18. Which of the following vitamins is correctly associated with its use?

19. Waves of rhythmic movements of muscle contractions and relaxation which force down food through the oesophagus to the stomach is called:

20. Number of essential amino acids is: