Multiple choice

Which among the following tests can be used to differentiate between Proteus mirabilis and Proteus vulgaris?

  1. Methyl red test

  2. Catalase test

  3. Indole test

  4. Phenylalanine deaminase test

  5. Urease test
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C Correct answer
Explanation

Proteus mirabilis and Proteus vulgaris can be differentiated by an indole test. Proteus vulgaris tests positive for the indole test while Proteus mirabilis test negative for the indole test.

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