In herbivorous animals,the appendix helps in the digestion of . . . . . . .

Pepsin acts on

Select the correct statements regarding the stomach and gastric juice.
$I-$ The stomach stores food for $4$ to $5$ hours.
$II-$ The food mixes with acidic gastric juice to form chyme.
$III-$ The $pH$ of gastric juice is $1.8$.
$IV-$ Gastric glands secrete small amounts of lipases.

The final product of starch digestion is:

What is correct for digestion in the stomach?

Which of the following digests proteins into peptides?