Which of the following is the most useful to differentiate micrococci from Staphylococci-
Ans. is 'b' i.e., Hugh Leifson test . The common laboratory test to differentiate between micrococci and Staphylococci is Hugh and Leifson's oxidation fermentation test in which micrococci show oxidative and Staphylococci show fermentative patterns.
Catalase test
Hugh Leifson test
Oxidase test
All of the above