KS3 Human Reproduction

What is the hormone for males?

• Testosterone

• Oestrogen

What is the hormone in females?

• Testosterone

• Oestrogen

Males and females start puberty at the same time.

• True

• False

What changes happen for boys and girls in puberty?

• Mood swings

• Growth of pubic hair

• Acne and body odour

• All of the above

How long is the menstrual cycle?

• 7 days

• 14 days

• 21 days

• 28 days

What is ovulation?

• Loss of the uterine lining

• The joining of male and female sex cells

• The release of a mature egg cell

• The beginning of the first period

On which day of the menstrual cycle does menstruation start?

• 1

• 7

• 14

• 28

Where are the ova usually fertilised?

• Vagina

• Oviducts

• Ovaries

• Uterus

Which of these is not an adaptation of the egg cell?

• Cytoplasm contains nutrients for the growth of the early embryo

• Haploid nucleus contains genetic material for fertilisation

• Cell membrane that changes after fertilisation by a single sperm so no more sperm can enter

• A tail to swim towards the sperm cells

Which of these is not a physical change that occurs during puberty?

• Under arm hair grows

• Periods stop

• Body smell gets stronger

• Hips widen