Which of the following is absorbed in ileum-

Which one differ from the category of other three-

Rationale: Ptyalin is an enzyme, while the others are hormones.

In gut, serosa is outer most layer and made up of

Rationale: The serosa, the outermost layer of the gut, is made of mesothelium and connective tissue.

Match: Bile

Rationale: Bile emulsifies fats, breaking them into smaller droplets to facilitate digestion by lipases.

The cells of the epithelial lining in the vertebrate stomach are not damaged by HCl because of

Rationale: Mucus secreted by gastric cells forms a protective barrier against HCl, preventing damage to the stomach lining.

Taste buds are found on the following papilla EXCEPT:

Rationale: Filiform papillae lack taste buds and are primarily involved in touch sensation, unlike the other papillae types.

Digestive System Exam Questions