This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
Which one of the following statements is false - 
Select and explain. 
A. The presence of ingested erythrocytes is seen only in Entamoeba histolytica, B. Young adult male of low socioeconomic status are most commonly affected by invasive amoebiasis, C. A low iron content in the diet predisposes to invasive amoebiasis, D. The pathogenic and non-pathogenic strains of E. Histolytica can be differentiated by the electrophroretic study of zymodemes
C: A low iron content in the diet predisposes to invasive amoebiasis
Answer: C: A low iron content in the diet predisposes to invasive amoebiasis 
Explanation: In food vacuoles of trophozoites,erythrocytes,leucocytes,tissue debris are found Cultures are not used routinely but may on occasion prove positive in cases found negative by microscopy. Cultures permit the determination of zymodeme patterns for differentiation between pathogenic and nonpathogenic strains. TEXTBOOK OF MEDICAL PARASITOLOGY,CKJ PANIKER,6TH EDITION,PAGE NO 25