Which of the following hormone is responsible for the development of secondary female characteristics and participates in control of menstrual cycle?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Estradiol
Hormones are molecules that act as intercellular messengers; the sex hormones are steroids. The main female sex hormone is estradiol.
NCERT (2026-27 edition):
Hormones – “Testosterone is the major sex hormone produced in males. It is responsible for development of secondary male characteristics (deep voice, facial hair, general physical constitution) and estradiol is the main female sex hormone. It is responsible for development of secondary female characteristics and participates in the control of menstrual cycle. Progesterone is responsible for preparing the uterus for implantation of fertilised egg.”