Progesterone is secreted in large amounts by:
1. corpus luteum
2. anterior pituitary
3. Graafian follicle
4. hypotahlamus

Which hormone is the immediate cause of ovulation?
1. FSH
2. progesterone
3. estrogen
4. LH

The number of chromosomes in mature sperm would be:
1. 1
2. 2
3. 23
4. 46

An organelle covering the head of animal sperm and containing enzymes that digest the egg cell coating, thus permitting the sperm to enter the egg is called as:

Largest amongst the following would be:
1. spermatid
2. mature egg cell
3. polar body
4. secondary spermatocyte

Identify the source of testosterone in males:
1. seminiferous tubules
2. epididymis
3. Sertoli cells
4. Leydig cells

The major contributor to the seminal plasma is/are:
1. seminal vesicles
2. prostate gland
3. bulbourethral gland
4. seminiferous tubules

Which endometrial stage corresponds to the follicular phase of the menstrual cycle?

To inhibit ovulation, the corpus luteum secretes:
1. inhibin
2. activin
3. estrogen
4. progesterone

Just before the endometrium is shed during menstruation:
1. blood levels of estrogen and progesterone decrease.
2. blood levels of estrogen and progesterone increase.
3. the corpus luteum gets fully developed.
4. ovulation occurs.