Nutrition – Online MCQs Test – Biology 9th

1. At the end of the oesophagus, a muscle that allows food to enter the stomach and preventing food to flow back into the oesophagus is called:

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

3. Biles salts act on:

4. Hookworms, tapeworms and leeches are:

5. Goiter is caused by an insufficient amount of:

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

7. All are sources of calcium except:

8. Saliva is secreted by:

9. Salivary amylase acts on:

10. Deficiency of vitamin-D causes:

11. Hemoglobin molecule contains:

12. In this type of nutrition, complex organic substances are taken in without their being decomposed.

13. Pepsin acts on:

14. Which of the following statements describes pepsin?

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

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

17. In paramecium, food is ingested through a special opening called:

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

19. It is released In the process of photosynthesis.

20. The first part of small intestine is: