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Solution


Q.

During adolescence several changes occur in the human body. Mark one change associated with sexual maturity in boys.
1 Loss of milk teeth  
2 Increase in height  
3 Weight gain  
4 Cracking of voice  

Ans.

(4)

Cracking of voice is associated with sexual maturity in boys which occurs during adolescence. Loss of milk teeth, height gain, and weight gain are all part of the natural growing process for both boys and girls as they become older.