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
Post pasteurized milk's (pally is tested by- 
Select and explain. 
A. Phosphatase test, B. Methylene blue test, C. Catalase test, D. Oxidase test
A: Phosphatase test
Answer: A: Phosphatase test 
Explanation: Ans. is 'a' i.e., Phosphatase test