The period of life when the human body undergoes changes leading to reproductive maturity is called:

Correct option is C

Sol. Adolescence is the phase between childhood and adulthood, during which the body undergoes physical and hormonal changes leading to sexual and reproductive maturity. It typically ranges from 10 to 19 years of age and includes the onset of puberty.
Explanation of each option: • (a) Adulthood – Refers to the life stage after adolescence. Although reproductive maturity is achieved, the developmental changes happen earlier during adolescence. • (b) Infancy – The initial stage of life from birth to around two years. It involves rapid physical growth but no reproductive or hormonal changes. • (c) Adolescence – Correct. This period is marked by puberty, hormonal changes, emotional development, and the beginning of reproductive capability. • (d) Childhood – It precedes adolescence and includes early learning and physical growth but lacks the sexual maturity changes of adolescence.