Nutrition – Online MCQs Test – Biology 9th

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

2. Villi are present in the internal wall of:

3. Number of amino acids is:

4. It is essential for plants to synthesize amino acids.

5. Choose the correct statement:
Pancreatic juice contains the following enzymes which digest:

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

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

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

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

10. Nitro oxide may cause:

11. Rectum stores:

12. Which of the following statements describes pepsin?

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

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

15. Extra ammonia can increase:

16. Which of following statement is correct?

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

18. Green plants are:

19. 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:

20. The stomach produces: