Which statement about sex cells is correct?
Sperm are male gametes.
Ova are male gametes.
Sperm are female gametes.
Which statement best describes fertilisation?
When a male and female gamete join.
When a sperm cell nucleus and an egg cell nucleus fuse together in the oviduct.
When a sperm cell nucleus and an egg cell nucleus fuse together in the uterus.
What is a zygote?
A cell formed when two embryos join, which will develop into a gamete.
A cell formed when male and female gametes join, which will develop into an embryo.
A cell formed when male and female gametes join, which will develop into a gland.
Which of the following is not a part of the male reproductive system?
Penis.
Testes.
Uterus.
Where are the female sex cells contained?
In the uterus.
In the ovaries.
In the ova.
Approximately how long does the menstrual cycle take?
5 days.
14 days.
28 days.
What is ovulation?
The release of a mature egg cell.
The loss of the lining of the uterus.
The joining of a male sex cell and a female sex cell.
Which way does blood normally pass across the placenta?
From the mother to the foetus.
From the foetus to the mother.
Blood does not pass across the placenta.
Which of these is a role of oestrogen?
It repairs the lining during menstruation.
It keeps the thickness of the uterus lining constant during the menstrual cycle.
It causes the initial repair of the uterus lining after menstruation.
Which hormone is responsible for the development of male secondary sexual characteristics?
LH.
Progesterone.
Testosterone.