Absorption of digested food chiefly occurs in-

Correct Answer: C

Rationale: The small intestine is the primary site for nutrient absorption due to its large surface area.

Correct Answer: A

Rationale: Chymotrypsin is a proteolytic enzyme secreted by the pancreas.

Correct Answer: C

Rationale: Both secretin and CCK stimulate pancreatic juice secretion.

Correct Answer: B

Rationale: The intestine, especially the large intestine, is the primary site for water absorption.