Identify the correct statement regarding menopause:

1.	Follicles become less responsive to FSH and LH.
2.	Elevated estrogen levels is the cause.
3.	Marks the beginning of menstrual cycles.
4.	Results when follicles develop but contain no oocytes.

Non primate mammalian females have:
1. a follicular cycle
2. an estrous cycle
3. a menstrual cycle
4. a luteal cycle

The first structure amongst the following to receive sperms would be:
1. vas deferens
2. urethra
3. epididymis
4. seminal vesicle

Male fertility primarily depends on sperm count. Sterility is likely if the count is below:
1. 100,000,000 / ml
2. 20,000,000 / ml
3. 100,000 / ml
4. 1,000 / ml

Oviparous mammals are:
1. marsupials
2. placental mammals
3. monotremes
4. None

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