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: Microbiology
[{'content': 'Which of the following is true about pasteurization \nSelect and explain. \nA. It kills all bacteria and spores, B. It kills all bacteria except thermoduric bacteria, C. It kills 95% of microorganisms, D. All bacteria are destroyed', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pasteurization \n\nIs a method for sterilization of milk.\nIt is defined as the heating of every particle of milk or milk product to a specific temperature for a specific period of time without allowing recontamination of that milk or milk product.\nTwo methods are commonly used.-\n\n\nHolder method → 63°c for 30 minutes.\nFlash method → 72°c for 15-20 seconds\n\n"Pasteurization kills nearly 90% of the bacteria in milk including the more heat resistant tubercle bacillus and the fever organisms. But it will not kill thermoduric bacteria nor the bacterial spores." - PSM Park 19th/e', 'role': 'assistant'}]