Microbiology Bacteria a2718e79 Catalase test is used to differentiate - A Staphylococcus aureus from staphylococcus epidermidis B Staphylococci from streptococci C Streptococcus pyogenes from other streptococci D None of the above High-Yield Explanation Ans. is 'b' i.e., Staphylococci from streptococci