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
Most useful for sex determination is: Kerala 08 
Select and explain. 
A. Skull, B. Femur, C. Pelvis, D. Tibia
C: Pelvis
Answer: C: Pelvis 
Explanation: Ans. Pelvis