Q. Where do certain symbiotic microorganisms normally occur in human body?
A) Caecum
B) Oral lining and tongue surface
C) Vermiform appendix and rectum
D) Duodenum
Explanation
[Solution from source] The caecum, a blind sac at the start of the large intestine, hosts certain symbiotic micro-organisms. The vermiform appendix is a vestigial outgrowth of the caecum and the rectum only stores faeces. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.