Nutrition – Online MCQs Test – Biology 9th

1. Undigested food is passed into:

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

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

4. Beans, lentils and spinach are the sources of:

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

6. Hookworms, tapeworms and leeches are:

7. Bile is stored in the:

8. Mastication is:

9. Number of essential amino acids is:

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

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

12. Biles salts act on:

13. The churning action of stomach produces heat which helps to melt:

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

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

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

17. Goiter is caused by an insufficient amount of:

18. Number of amino acids is:

19. Saliva is secreted by:

20. Green plants synthesize food through the process of: