The onset of menstrual cycle in the female is termed
Menarche
The correct option is B.
Explanation of the correct option :
Explanation of the incorrect option:
Option A:
Ovulation is the process of releasing of egg from the ovary and entering the fallopian tube.
Option C:
Option D:
Parthenogenesis is the spontaneous development of an embryo from an unfertilized egg cell.
Final answer: The onset of the menstrual cycle in the female is termed menarche.