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
Latte's crust of blood stain is used to detect: NEET 14 
Select and explain. 
A. Nature of stain, B. Detection species, C. Blood group, D. Secretor status
C: Blood group
Answer: C: Blood group 
Explanation: Ans. Blood group