Answer:
Is beta-hemolytic. (Ans. C)
Step-by-step explanation:
Streptococcus pyogenes: It is a gram-positive bacteria, group of streptococcus. They are extracellular and they are composed of non-motile and non-sporing cocci. They cause a wide variety of disease in humans. It is the most common cause of acute pharyngitis.
Infection with Streptococcus pyogenes a beta-hemolytic bacterium that belongs to Lancefield serogroup A also called the group A streptococci (GAS). This bacteria mostly causing strep throat & bacterial sore throat.
Group A streptococci (GAS) when growing on blood agar they produce a small zone of beta-hemolysis, a full distraction of RBC (red blood cells). Then it is also called group A beta-hemolytic streptococcus.