Causative agent of acute rheumatic fever -: (A) Group 'A' b-hemolytic streptococcus, (B) Group-B b-hemolytic streptococcus, (C) Group-C b-hemolytic streptococcus, (D) Group-D b-hemolytic streptococcus
Answer is A. Ans. is 'a' i.e., Group 'A' p-hemolytic streptococcus o Acute rheumatic fever is caused by streptococcus pyogenes - group-A Beta hemolytic streptococcus.