Nutrition – Online MCQs Test – Biology 9th

1. Removal / elimination of the waste products from the body is called:

2. Nitro oxide may cause:

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

4. Saliva is secreted by:

5. Villi are present in the internal wall of:

6. It causes loss of appetite and liver problems.

7. It is released In the process of photosynthesis.

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

9. The stomach produces:

10. Stomach opens into:

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

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

13. Deficiency of vitamin-D causes:

14. Number of essential amino acids is:

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

16. Hemoglobin molecule contains:

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

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

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

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