First sign of puberty in girls:: (A) Puberchy, (B) Thelarchy, (C) Growth spurt, (D) Menarche
Answer is B. Ans. is 'b' i.e., Tbelarchy * In girls, the first visible sign of puberty is the appearance of breast buds (Thelarche), between 8-12 years of age.* In boys the first visible sign of puberty is testicular enlargement, beginning as early as 9 1/2 yr.