This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': 'All are methods of sterilization by dry heat except - \nSelect and explain. \nA. Flaming, B. Incineration, C. Hot air oven, D. Autoclaving', 'role': 'user'}, {'content': "Answer: D \nExplanation: Dry heat : Flaming, incineration, hot air REF:Ananthanarayan & paniker's textbook of Microbiology 9th edition page no 78", 'role': 'assistant'}]