a. Goblet cells are located in the intestinal mucosal epithelium and secrete chymotrypsin/mucus.

b. Fats are broken down into di- and monoglycerides with the help of amylase/ lipases.

c. Gastric glands of stomach mucosa have oxyntic cell/chief cells which secrete HCl.

d. Saliva contains enzymes that digest starch /protein.

Solution:

a) Goblet cells are located in the intestinal mucosal epithelium and secrete mucus.

b) Fats are broken down into di- and monoglycerides with the help of lipases.

c) Gastric glands of stomach mucosa have an oxyntic cell which secretes HCl.

d) Saliva contains enzymes that digest starch.