AP BIOLOGY

Detailed explanation-1: -Ovaries are the principal female reproductive organs located in the pelvis. They contain female gamete cells called oocytes or eggs. These ovaries contain fluid-filled structures known as follicles. It is in these follicles the eggs are enclosed.

Detailed explanation-2: -In the ovary, all eggs are initially enclosed in a single layer of cells known as a follicle, which supports the egg. During the follicular phase (first part of the menstrual cycle), one or two ovarian follicles grow due to the action of FSH. As the follicle grows it produces oestradiol.

Detailed explanation-3: -Ovules are attached to the placenta in the ovary through a stalk-like structure known as a funiculus (plural, funiculi).

Detailed explanation-4: -The correct option is B Ovary. The female reproductive part of a flower is called pistil. It is divided into three parts: stigma, style and the ovary. The female sex cells or ovules are present in the ovary.

Detailed explanation-5: -The correct option is A Egg cell. Ovule is the part of the ovary of seed plants that contains the female germ cell or the egg cell and after fertilization becomes the seed.