Catalase test is used to differentiate ?
Ans. is 'b' i.e., Staphylococci from streptococci The catalase test is used to differentiate staphylococci (catalase-positive) from streptococci (catalase-negative). The enzyme, catalase, is produced by bacteria that respire using oxygen, and protects them from the toxic by-products of oxygen metabolism
Staphylococcus aureus from staphylococcus epidermidis
Staphylococci from streptococci
Streptococcus pyogenes from other streptococci
None of the above