Which one of the following statement is false
The presence of ingested erythrocytes is seen only in Entamoeba histolytica
Young adult males of low socio - economic status are most commonly affected by invasive amoebiasis
A low iron content in the diet predisposes to invasive
The pathogenic and non pathogenic strains of E. histolytica can be differentiated by electrophoretic study of desmosomes