SPM – MCQ 99 – Test for efficiency of pasteurization

The following tests are used to check the efficiency of pasteurization of milk except:
A. Phosphatase test
B. Standard plate count
C. Coliform count
D. Methylene blue reduction test

Correct answer : D. Methylene blue reduction test

Methylene blue reduction test is used to detect the presence of microorganisms in milk. It is done before pasteurization.

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