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
Given type of skull is seen in 
Select and explain. 
A. Mongolians, B. Pure Aryans, C. Chinese, D. Europeans
B: Pure Aryans
Answer: B: Pure Aryans 
Explanation: 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