During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys.
During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys.
The correct option is C cracking of voice
The correct option is C.
Explanation for correct option-
During adolescence, i.e., at the age of 13–14yrs, body growth slows down, and specific changes occur. The changes that occur in boys are as follows.
- Enlargement of the larynx makes the voice horse, i.e., cracking of voice begins.
- The chest and shoulder become broad.
- Sperm production begins.
- Moustaches and beards start appearing on faces.
Hence, cracking of vice is a change associated with sexual development in boys.
Explanation for incorrect options-
Option A:
Loss of milk teeth is a physical change that starts before puberty. Permanent teeth replace milk teeth.
Option B:
An increase in height in both males and females occurs as one grows from infancy to adulthood. This change starts before one hits puberty.
Option D:
Weight gain is another physical change that occurs as one grows from the infant to the adult stage. This change depends on heredity, diet, etc.,
Final answer: During adolescence, several changes occur in the human body. Cracking of voice is one of the changes associated with sexual maturation in boys.
cracking of voice
The correct option is C.
Explanation for correct option-
During adolescence, i.e., at the age of 13–14yrs, body growth slows down, and specific changes occur. The changes that occur in boys are as follows.
- Enlargement of the larynx makes the voice horse, i.e., cracking of voice begins.
- The chest and shoulder become broad.
- Sperm production begins.
- Moustaches and beards start appearing on faces.
Hence, cracking of vice is a change associated with sexual development in boys.
Explanation for incorrect options-
Option A:
Loss of milk teeth is a physical change that starts before puberty. Permanent teeth replace milk teeth.
Option B:
An increase in height in both males and females occurs as one grows from infancy to adulthood. This change starts before one hits puberty.
Option D:
Weight gain is another physical change that occurs as one grows from the infant to the adult stage. This change depends on heredity, diet, etc.,
Final answer: During adolescence, several changes occur in the human body. Cracking of voice is one of the changes associated with sexual maturation in boys.
