1.       A catalyst gets changed during a chemical reaction.

3.       Dental caries affect mastication of food

4.       Where is salivary amalyse secreted

5.       When glucose is eaten it does not require digestion.

6..       Enzyme pepsin works in an alkaline environment.

7. The first section of the small intestine is?

8..       Consumers must be informed of additives  in a food commodity

9.       Humectants are added in icing sugar to prevent it from forming lumps

10.       Peristalsis is the contraction of muscles of the gut to create movement of food in the gastrointestinal tract.

11.       Hydrochloric acid in the food kills germs in food

12. Which of the following is not a characteristic of enzymes?

13. Low temperatures denature enzymes.

14. Water is absorbed in the colon

15. The following are isomers of glucose EXCEPT.

16. The following are chemical contaminants EXCEPT.

17. The following are sources of contaminants in a commercial kitchen Except.

18. Bile is stored in the liver.

19. Pancreatic enzymes digest carbohydrates.

20. A substrate is a molecule that an enzyme acts upon.