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: Social & Preventive Medicine
Which is not used in pasteurization ? 
Select and explain. 
A. Phosphatase test, B. Methylene blue test, C. Coliform count, D. Standard plate count
B: Methylene blue test
Answer: B: Methylene blue test 
Explanation: Ans. is 'b' i.e., Methylene blue test