<prompt> True about Giardia isMay cause travellers diarrhoeaGiardia inhabits ileumTrophozoites are infective to manNone of the above  <response>: Giardia can cause travellers diarrhea.Other protozoal causes of travellers diarrheaEntamoeba histolyticaCyclosporaCryptosporidiumGiardia inhabits the proximal small intestine i..e, duodenum and upper jejunum not ileumThe infective stage for giardia infection is a cyst not trophozoites. 