This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
The following drug is 
Select and explain. 
A. Hemicholinium, B. Vesamicol, C. Botulinum toxin, D. Metyrosine
C: Botulinum toxin
Answer: C: Botulinum toxin 
Explanation: The picture shows the drug inhibiting the release of acetylcholine into synapse.so it is either botulinum or beta bungaro toxin Ref: KD Tripathi 6th ed pg 94