Human Health and Diseases Question 49
49. Amoebiasis is prevented by
(a) eating balanced food
(b) eating plenty of fruits
(c) drinking boiled water
(d) using mosquito nets
Show Answer
Answer : c
Hints & Solutions
(c) Amoebiasis or amoebic dysentery is caused by a parasite Entamoeba histolytica present in the upper part of large intestine of human. It is caused due to ingesting contaminated food or water with cyst (trophozoite) of Entamoeba. It feeds on R.B.C of intestinal blood capillaries and damages intestinal mucosa secreting an enzyme - histolysin.
