Nutrition – Online MCQs Test – Biology 9th

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

2. Cooking and heating destroys these vitamins easily.

3. In plants, it is required for the production of chlorophyll, nucleic acids and enzymes.

4. Nitro oxide may cause:

5. In plants, interveinal chlorosis shows deficiency of:

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

7. All are sources of calcium except:

8. This can lead to deposition of calcium in various tissue.

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

10. The stomach produces:

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

12. Pepsin acts on:

13. Mastication is:

14. It is the mode of nutrition in which an organism makes its own food from the simple inorganic materials.

15. Photosynthesis is a process by which chlorophyll having organisms, synthesize glucose from:

16. Which of the following is true of bile salts?

17. For strong bones, we need:

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

19. It is the mode of nutrition in which an organism can’t make its own food but depends on other organisms.

20. Period of rapid growth and development called: