Nutrition – Online MCQs Test – Biology 9th

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

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

3. Vitamins are of:

4. Heterotrophs are also called:

5. Deficiency of vitamin-D causes:

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

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

8. Cooking and heating destroys these vitamins easily.

9. Pepsin acts on:

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

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

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

13. Stomach opens into:

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

15. Moulds, mushrooms and yeasts are common examples of:

16. 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:

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

18. Mastication is:

19. Number of amino acids is:

20. Bile is stored in the: