This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
[{'content': 'Given type of skull is seen in \nSelect and explain. \nA. Mongolians, B. Pure Aryans, C. Chinese, D. Europeans', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Cephalic Index ( CI ) of various race groups:Type of skullCIRace groupsDolico-cephalic (long-headed)70 - 75Pure Aryans, Aborigines, NegroesMesaticephalic (medium headed)75- 80Europeans and ChineseBrachycephalic (sho-headed)80-85Mongolian', 'role': 'assistant'}]