Non-pathogenic amoebae is/are -a) E. histolyticab) E.coli.c) Acanthamoebad) E.Hartmannie) Balamuthia: (A) c, (B) d, (C) ab, (D) bd
Answer is D. Non-pathogenic amebae are E.hartmanni, E.coli, E.polecki, Endolimax nana, Iodamoeba botschlii, and Dientamoeba fragilis.