Nutrition – Online MCQs Test – Biology 9th

1. Salivary amylase acts on:

2. Herbivores consume:

3. Rectum stores:

4. In stomach, the food germs and micro-organisms are killed by:

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

6. Cooking and heating destroys these vitamins easily.

7. 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:

8. Essential substances that our body needs in order to grow and stay healthy are known as:

9. The largest part of stomach is:

10. Heterotrophs are also called:

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

12. In plants, interveinal chlorosis shows deficiency of:

13. The first part of small intestine is:

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

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

16. Which of following statement is correct?

17. Biles salts act on:

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

19. Proteins consist of units called:

20. Complex food enzymes is broken down into simpler molecules with the help of enzymes produced by an organelle called: