The mammary gland is which type of character in females?

Consider the following statements about the ovary and select the correct ones.
$I -$ It is the primary female sex organ that produces the ovum and ovarian hormones.
$II -$ Ovaries are located in the upper part of the thoracic cavity,one on each side.
$III -$ Each ovary is about $4$ to $6 \ cm$ in length.
$IV -$ Ovaries are connected to the pelvic wall and uterus by ligaments.
$V -$ The ovary is covered by a thin epithelium which encloses the ovarian stroma.
$VI -$ The ovarian stroma is divided into two zones: a peripheral cortex and an inner medulla.

The given figure shows a lateral view of the female reproductive system. Identify $P$ and $Q$.
$\quad\quad\quad P \quad\quad Q$

.......... are fleshy folds of tissue, which extend down from the mons pubis and surround the vaginal opening.

Which of the following statements is incorrect?

Which of the following is not associated with the female external genitalia?