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Where do certain symboitic microorganisms normally occur in human bodyA. CaecumB. Oral lining and tongue surfaceC. Vermiform appendix and rectumD. Duodenum

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


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