What is Catalase test is used to differentiate ? and explain in detail?
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