<prompt> Most common cause of gas gangrene -Cl welchiiClsepticumClnovyiClhistolyticum  <response>: Ans. is a i.e., Cl welchii o Most common cause of gas gangrene is Cl perfringens Cl welchii causing 80 of cases of gas gangrene,o Other causes are Cl septicum, Cl novyi and Cl histolyticum. 