The following tests are used to check the efiiciency of pasteurization of mild except -: (A) Phosphatase test, (B) Standard plate count, (C) Coliform count, (D) Methylene blue reduction test
Answer is D. Methylene blue reduction test is an indirect method for detection of microorganism in milk. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 606