First Sign of pubertal development in boy is -: (A) Enlargement of penis, (B) Enlargement of testes, (C) Appearance of pubic hair, (D) Appearance of axillary' hair
Answer is B. Ans. is 'b' i.e., Enlargement of testis o In male - Sequence of change1. Growth of testes (> 3 ml in volume or & thinning of scrotum 2 5 cm in longest diameter)2 Pigmentation of scrotum & growth of penisPubic hairAxillary hairo In female -1. Breast bud - First sign2 Pubic hair3. Menarche