Catalase positive, coagulase negative beta hemolytic bacteria: (A) Strep pyogens, (B) Staph aureus, (C) CONS, (D) Enterococci
Answer is C. All staphylococci are catalase positive. Amongst staphylococci, Staph. aureus and Staph haemolyticus (CONS) are beta hemolytic. Most species of coagulase negative staphylococcus species are non-hemolytic except Staph. haemolyticus.