Nutrition – Online MCQs Test – Biology 9th

1. Mastication is:

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

3. Photosynthesis is a process by which chlorophyll having green plants, algae and some bacteria, synthesize the:

4. In plants, stunted growth, reduced yields and pale green foliage show deficiency of:

5. The first part of small intestine is:

6. Green plants are:

7. Stomach opens into:

8. Proteins consist of units called:

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

10. Which of the following statements describes pepsin?

11. Bile juice is secreted by:

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

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

14. Beans, lentils and spinach are the sources of:

15. To synthesize food, plants and some bacteria have the green pigment called:

16. It is essential for plants to synthesize amino acids.

17. Biles salts act on:

18. Pepsin acts on:

19. Plants need this in the largest amount.

20. Stomach is protected against the action of acid by: