Nutrition – Online MCQs Test – Biology 9th

1. The first part of small intestine is:

2. Salivary amylase acts on:

3. The body needs it to maintain and replace tissues and their functions.

4. The energy obtained from carbohydrates, proteins and fats Is measured in units called:

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

6. Biles salts act on:

7. Deficiency of vitamin-D causes:

8. It plays a very important role to prevent from constipation.

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

10. The secretion of pancreas is called:

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

12. Heterotrophs are also called:

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

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

15. 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:

16. To make red blood cells, the body needs:

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

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

19. In stomach, food has been processed into a thick paste like liquid called:

20. An adult’s digestive tract is about: