Nutrition – Online MCQs Test – Biology 9th

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

2. Bile juice is secreted by:

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

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

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

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

7. The secretion of pancreas is called:

8. Which of the following statements describes pepsin?

9. Extra ammonia can increase:

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

11. Green plants are:

12. Number of essential amino acids is:

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

14. Rectum stores:

15. Salivary amylase acts on:

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

17. The single lymph vessel inside the villus is called:

18. In stomach, the food germs and micro-organisms are killed by:

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

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