Protein $\rightarrow$ $\dots\dots$

If the secretion of parietal cells of the gastric glands is blocked by an inhibitor,what will happen?

Given below are two statements:
$Statement-I$: Chymotrypsin converts proteins as well as proteoses and peptones to polypeptides.
$Statement-II$: Trypsin converts polypeptides to dipeptides.
In the light of above statements, choose the most appropriate answer from the options given below.

The intestine is different from the stomach by the presence of

In grazing cattle,the major portion of food,cellulose,is:

The muscular contraction in the alimentary canal is known as