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The production of sufficient acid by fermentation of glucose leads to decrease in pH such that pH of the medium falls below 4.5. Which of the following test can detect it? | |
A. | Indole test [Wrong Answer] |
B. | Methyl red test [Correct Answer] |
C. | Citrate utilization test [Wrong Answer] |
D. | Voges-Proskauer test [Wrong Answer] |