Digestion and Absorption Question 9

9. Where do certain symbiotic micro-organisms normally occur in human body?

[2012M]

(a) Caecum

(b) Oral lining and tongue surface

(c) Vermiform appendix and rectum

(d) Duodenum

Show Answer

Answer : a

Hints & Solution

(a) The caecum is a pouch-like portion of the large intestine which hosts some symbiotic micro-organisms. The caecum absorbs water and salts from undigested foods before they continue on to the large intestine.