<prompt> Type of growth of streptococcus pyogenes on blood agar -Alpha hemolyticBeta hemolyticGamma hemolyticNon-hemolytic  <response>: Ans. is b i.e., Beta hemolytic Hemolysis Alpha aBeta bGamma g Greenish discolouration with partial hemolysis around the colonieseg - Str. pneumoniae, Str. viridans Colourless zone of complete hemolysiseg - Str. pyogenes grp AStr. agalactiae grp BStr equisimilis grp c No hemolysiseg - Enterococci grp d 