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
Specimens for toxicological studies are preserved in: DNB 09; Maharashtra 11; AFMC 12 
Select and explain. 
A. 10% of formaldehyde, B. Alcohol, C. Saturated solution of common salt, D. Normal saline
C: Saturated solution of common salt
Answer: C: Saturated solution of common salt 
Explanation: Ans. Saturated solution of common salt