This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
Pasteurization of milk is achieved by boiling at - 
Select and explain. 
A. 65 oC for 30 min, B. 72 oC for 10 sec, C. 100 oC for 20 sec, D. 136 oC for 30 sec
A: 65 oC for 30 min
Answer: A: 65 oC for 30 min 
Explanation: In holder method milk is kept at 63-66 deg C for atleast 30 min.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-606