Microbiology Catalase negative beta-hemolytic Streptococci is A Streptococcus Pneumoniae B Streptococcus Pyogenes C Streptococcus Agalactiae D Enterococcus 💡 Explanation Catalase negative beta-hemolytic Streptococci is ✓ Correct Answer: B. Streptococcus Pyogenes