A baby boy aged two years is admitted to play-school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

(1) Incisors

(2) Canines

(3) Premolars

(4) Molars

Which cells of "Crypts of Lieberkühn" secrete antibacterial lysozyme?

1. Paneth cells

2. Zymogen cells

3. Kupffer cells

4. Argentaffin cells

Which of the following options best represents the enzyme composition of pancreatic juice?

1. Amylase, pepsin, trypsinogen, maltase

2. Peptidase, amylase, pepsin, rennin

3. Lipase, amylase, trypsinogen, pro carboxypeptidase

4. Amylase, peptidase, trypsinogen, rennin

In the stomach, gastric acid is secreted by the:-
(1) parietal cells

(2) peptic cells

(3) acidic cells

(4) gastrin secreting cells