<prompt> Sign of pubey in boys ?Enlargement of penisEnlargement of testesAppearance of pubic hairAppearance of axillary hair  <response>: Ans. is b i.e., Enlargement of testes In girls, the first visible sign of pubey is the appearance of breast buds Thelarche, between 8-12 years of age. In boys the first visible sign of pubey is testicular enlargement, beginning as early as 912 yr. 