The female sex hormone which is responsible for the development of secondary female characteristics and participates in the control of menstrual cycle is:
Estradiol is a form of estrogen, a group of female sex hormones responsible for the development of secondary female sexual characteristics (such as breast development, wider hips, etc.) and for the regulation of the menstrual cycle.
It is produced primarily by the ovaries and plays a key role in controlling the growth and maturation of the eggs, as well as regulating the reproductive organs and menstrual cycle.
Thus, estradiol is the hormone responsible for the development of secondary female characteristics and the control of the menstrual cycle, making option (B) the correct answer.