The menstrual cycle is controlled by

Identify the hormones $A, B, C$ and $D$ from the graph by observing their concentrations in blood during the menstrual cycle of a female:

Name the hormone that has no role in the menstrual cycle.

The following graph shows the relative concentrations of the four hormones present in the blood plasma of a woman during her menstrual cycle. Identify the hormones.

No new follicles develop in the luteal phase of the menstrual cycle because

Match the items given in Column $I$ with those in Column $II$ and select the correct option given below:

Column $I$	Column $II$
$(a)$ Proliferative Phase	$(i)$ Breakdown of endometrial lining
$(b)$ Secretory Phase	$(ii)$ Follicular phase
$(c)$ Menstruation	$(iii)$ Luteal Phase