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Question

Some symbiotic microorganisms occur in human body in

  1. Oral lining and tongue surface
  2. Colon
  3. Vermiform appendix and rectum
  4. Duodenum

A
Vermiform appendix and rectum
B
Oral lining and tongue surface
C
Colon
D
Duodenum
Solution
Verified by Toppr

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 undigested matter, some of them are symbiotic.
Hence the correct answer is (B)

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