Microbiology General b31b3ec4 A pus culture on chocolate agar shows gram negative cocci most likely organism is - A H. ducreyi B Neisseria gonorrhoeae C Str. pyogenes D Str. pneumoniae High-Yield Explanation Ans. is 'b' i.e., Neisseria gonorrhoeae . Amongst the given options only gonococcus is gram negative cocci.