Select the incorrect statement.

The figure given below depicts a diagrammatic sectional view of the human female reproductive system. Which set of three parts out of $I-VI$ have been correctly identified?

Given below are two statements:
Statement $I$: Ovulation is caused by $LH$ surge leading to rupture of Graafian follicles.
Statement $II$: Graafian follicle remaining after ovulation transform into corpus luteum and secretes large amount of estrogen.
In the light of the above statements, choose the most appropriate answer from the options given below:

Identify the correct labeling in the diagram of a human ovary.

Precocious puberty is defined as:

Identify $X, Y$ and $Z$ from the figure:
$Z-Y-X$