Question

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

Answer 1

The correct option is A Caecum

Caecum, a part of large intestine, is a small blind sac which hosts some symbiotic micro-organisms which helps in synthesis of Vitamin- B12 and helps in digestion

So, the correct answer is 'Caecum'