Nutrition – Online MCQs Test – Biology 9th

1. An adult’s digestive tract is about:

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

3. Night blindness, eye infection and respiratory Infections are due to the deficiency of:

4. 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:

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

6. Bile is stored in the:

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

8. It occurs when required water is not absorbed in blood from colon.

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

10. Rectum stores:

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

12. Goiter is caused by an insufficient amount of:

13. All are sources of calcium except:

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

15. The first part of small intestine is:

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

17. Nitro oxide may cause:

18. Nutrients are absorbed Into the body through:

19. In plants, stunted growth, reduced yields and pale green foliage show deficiency of:

20. Mastication is: