Most animals carry out sexual reproduction. Sexual reproduction involves the joining of two sex cells (gametes) – the sperm (male gamete) and the egg/ovum (female gamete).
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 two gametes join, which will develop into an embryo.
A cell formed when two gametes join, which will develop into a gland.
Which of the following is not a part of the male reproductive system?
Where are the female sex cells contained?
In the uterus.
In the ovaries.
In the ova.
Approximately how long does the menstrual cycle take?
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 maintains the lining of the uterus during the middle part of the menstrual cycle.
It repairs the lining during menstruation.
It triggers ovulation.
Which hormone is responsible for the development of male secondary