This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Botulism is most commonly due to \nSelect and explain. \nA. Egg, B. Milk, C. Meat, D. Pulses', 'role': 'user'}, {'content': "Answer: C \nExplanation: Food-borne botulism is caused by the ingestion of the preformed toxin. The source of botulism is usually preserved food - meat and meat products. Reference: Textbook of Microbiology; Anathanarayan and paniker's; 10th edition; Page no: 269", 'role': 'assistant'}]