Nutrition – Online MCQs Test – Biology 9th

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

2. It is the mode of nutrition in which an organism makes its own food from the simple inorganic materials.

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

4. Nutrients are absorbed Into the body through:

5. Deficiency of vitamin-D causes:

6. It plays a very important role to prevent from constipation.

7. Carnivores consume:

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

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

10. In paramecium, food is ingested through a special opening called:

11. Pepsin acts on:

12. Moulds, mushrooms and yeasts are common examples of:

13. The energy obtained from carbohydrates, proteins and fats Is measured in units called:

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

15. Vitamins are of:

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

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

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

19. Plants need this in the largest amount.

20. All are sources of calcium except: