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
[{'content': 'All are true about Entamoeba Histolytica except - \nSelect and explain. \nA. Cyst are 8 nucleated, B. Cyst are 4 nucleated, C. Trophozoites colonise in the colon, D. The chromatid bodies are stained by Iodides', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Life cycle of E. histolytica. (1) Trophozoite in gut lumen, (2) Precystic form, (3) Uninucleate cyst, (4) Binucleate cyst, (5) Quadrinucleate cyst, passed in faeces, (6) Mature cyst--infective when ingested, (7) Excystation in small intestine, (8) Metacystic form, (9) Eight daughter amoebulae, (10) Trophozoite shed in faeces--cannot encyst, (11) Tissue form of trophozoite in colonic ulcer--shows ingested erythrocytes TEXTBOOK OF MEDICAL PARASITOLOGY,CKJ PANIKER,6TH EDITION,PAGE NO 17', 'role': 'assistant'}]