The rhythmic muscular contractions in the alimentary canal are known as ...... .

The food mixes thoroughly with the acidic gastric juice of the stomach by the churning movements of its muscular wall. What do we call the food then?

Which of the following components are made suitable for absorption after digestion?
$I-$ Lipids,$II-$ Carbohydrates,$III-$ Water,$IV-$ Nucleic acids,$V-$ Vitamins,$VI-$ Minerals,$VII-$ Proteins

Which of the following secretions gets mixed with the food (hydrolysed) in the small intestine?

The function of mucus in the stomach is:

Match the enzymes in Column $I$ with their products in Column $II$:

Column $I$	Column $II$
$1$. Amylase	$a$. Coagulated milk protein
$2$. Trypsin	$b$. Dipeptides
$3$. Chymotrypsin	$c$. Disaccharides
$4$. Rennin	$d$. Polypeptides

Choose the correct answer from the following options.