This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Ilio-Pectineal line is used to determine difference in ? 
Select and explain. 
A. Sex, B. Race, C. Age, D. None of the above
A: Sex
Answer: A: Sex 
Explanation: Ans. is 'a' i.e., Sex Ilio-Pectineal line is helpful in differentiating the sex of pelvis. In males it is rough, well marked and less veical while in females it is smooth, rounded and more veical.