Question

1. which of the following is not true about mastication?

a. it increases the surface area of the food, improving enzyme activity
b. it makes food easier to swallow
c. it is an example of chemical digestion
d. it is an example of mechanical digestion
e. it occurs in the oral cavity

Explanation:

Mastication (chewing) is a mechanical process that breaks down food physically. Chemical digestion involves enzymes breaking down food chemically. Since mastication is physical (mechanical), option c is incorrect.

Answer:

C. It is an example of chemical digestion