Non-pathogenic amoebae is/are-: (A) E. Histolyca, (B) E. Coli, (C) Acanthanmoeba, (D) E. Hamanni
Answer is B. NON PATHOGENIC AMOBAE ARE E.coli E.gingivalis E.dispar E.hamanni Endolimax nana Iodamoeba buetschlii TEXTBOOK OF MEDICAL PARASITOLOGY,BAVEJA,3RD EDITION,PAGE NO 15