Crypts of Lieberkuhn are present in :-

Correct Answer: A

Rationale: Crypts of Lieberkuhn are found in the small and large intestines.

Correct Answer: B

Rationale: Pepsin is the main proteolytic enzyme in the stomach, active in acidic pH.

Correct Answer: C

Rationale: Fats are absorbed into lacteals in the jejunum of the small intestine.

Correct Answer: C

Rationale: Saliva does not contain glucose; it includes bicarbonate, lysozyme, and immunoglobulins.

Correct Answer: B

Rationale: Trypsinogen is secreted by the pancreas and activated to trypsin in the duodenum.