Order of development of secondary sexual characteristic in male -

Ans. is 'a' i.e., Testicular development -- pubic hair -- axillary hair -- beard In boys, the first visible sign of pubey and the hallmark of SMR 2 is testicular enlargement. o The sequence of development of secondary sexual characteristic in boys is ? Testicular enlargement --> Penis enlargement --> Pubic hair growth Peak growth velocity --> Axillary hair -4 facial hair.