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Q.Which parasite causes amoebic dysentery?

(a) Escherichia coli
(b) Amoeba proteus
(c) Entamoeba histolytica
(d) Plasmodium vivax
Odisha ChseOdisha CHSE +2 Science Board Exam 2023MCQ· 1mImportance★★★★★
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Amoebic dysentery (amoebiasis) is caused by the protozoan parasite Entamoeba histolytica, which infects the large intestine.

Entamoeba histolytica is a parasitic protozoan that infects the human large intestine, causing amoebiasis, commonly known as amoebic dysentery. It is transmitted through contaminated food and water (faeco-oral route, via housefly-carried cysts). Symptoms include abdominal pain, constipation, stools with excess mucus and blood clots.

The other options are not the causative agent of amoebic dysentery:

  • Escherichia coli - normally a harmless gut commensal bacterium; certain pathogenic strains cause diarrhoea, but not amoebic dysentery specifically. …

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