<prompt> Which is not cysticidal for entamoeba -ParamomycinChloroquineTetracyclineDiloxanide  <response>: Ans. is b i.e., Chloroquine o Chloroquine kills trophozoites of E. histolytica not cysts. Therefore, it is used in hepatic amoebiasis only. o All other three drugs are luminal amoebicides - Drugs directly kills trophozites responsible for production of cysts cysticidal effect. 