Question

The first enzyme to mix with food in the digestive tract is :
(a) pepsin (b) cellulose (c) amylase (d) trypsin

Answer 1

option c

Salivary amylase, present in saliva, is the first digestive enzyme that gets mixed with food in oral cavity during the process of mastication and bolus formation. The digestive enzyme salivary amylase hydrolyzes starch into maltose, malto-triose, dextrin and small amount of glucose.

An another digestive enzyme called lingual lipase is also present in saliva in oral cavity, but this digestive enzyme has no significant role in digestion.