<prompt> The muscle responsible for falsetto voice of puber phonia isVocalisThyroarytenoidPosterior cricoarytenoidCricothyroid  <response>: Cricothyroid is the main tensor responsible for the falsetto voice in puberphonia. There is hyperkinetic function and spasm of cricothyroid muscle. Ref:- TB of ENT Hazarika; pg num:- 636 