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
Sin needle used to kill animals made of : 
Select and explain. 
A. Dhatura seeds, B. Rati seeds, C. Lead peroxide, D. Arsenic
B: Rati seeds
Answer: B: Rati seeds 
Explanation: B i.e. Rati seeds