<prompt> First sign of male puberty is -Enlargement of penisEnlargement of testesAppearanc e of pubic hairAppearance of axillary hair  <response>: Ans. is b i.e., Enlargement of testes In male - Sequence of changeGrowth of testes 3 ml in volume or thinning of scrotum 2 ? 5 cm in longest diameterPigmentation of scrotum growth of penisPubic hairAxillary hair In femaleBreast bud - First signPubic hairMenarche 