This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poisoning, Subject name: Anatomy
Which plant poison is called railway poison 
Select and explain. 
A. Datura, B. Opium, C. Odollum, D. Abrus precatorius
A: Datura
Answer: A: Datura 
Explanation: Datura- circumstances of poisoning Crushed or powdered seeds are used by criminals to stupefy the victim before theft, robbery, rape or kidnapping. So, it is sometimes known as road poison or railway poison. It is given with food or drink. The seeds are mixed with ganja or tobacco and filled in cigarettes or pipe to stupefy the watchman before facilitating robbery. It is sometimes mixed with toddy to increase the effect. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 478