In which of the following conditions is menstruation absent in females?

Which of the following is the correct pairing of events occurring during the menstrual cycle?

Which phase of the menstrual cycle is characterized by the induction of ovulation?

Provide definitions/explanations for the following terms:
$(1)$ Menstrual cycle
$(2)$ Foetus

Which one of the following is the incorrect match of the events occurring during the menstrual cycle?

Given below is a flow chart showing ovarian changes during the menstrual cycle. Fill in the spaces by providing the names of the hormones responsible for the events shown.
$\boxed{\text{Primary follicles}}$
$\downarrow \leftarrow \boxed{A}$
$\boxed{\text{Graafian follicle}}$
$\downarrow \leftarrow \boxed{B}$
$\boxed{\text{Ovum}}$
$\downarrow \leftarrow \boxed{C}$
$\boxed{\text{Corpus luteum}}$