Q93 / 120 · NEET 2012 (Mains) · Zoology

Where do certain symbiotic microorganisms normally occur in human body?

  • Correct answer
    A
    Caecum
  • B
    Oral lining and tongue surface
  • C
    Vermiform appendix and rectum
  • D
    Duodenum

Solution

Caecum is the proximal part of large intestine. It is connected to colon (the largest part of large intestine). Colon does not contain digestive gland but harbours a number of microorganisms which feed on indigestible matter, some of them are symbiotic. They produce vitamin-K and vitamin-B complex.

Hence, the correct answer is option: 'A'.

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