This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 2, Subject name: Forensic Medicine
One of the following is a stupefying agent 
Select and explain. 
A. Atropine, B. Aconite, C. Datura, D. Nerium
C: Datura
Answer: C: Datura 
Explanation: Examples of stupefying poisons : Alcohol dhatura cannabis chloral hydrate