10 questions🇬🇧English
👶 Human Reproduction – Year 7
Biology · Year 7 (KS3) — reproductive organs, fertilisation, pregnancy and the changes of puberty
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Questions
Which male organ produces sperm cells?
Penis
Testes
Sperm duct
Prostate gland
20s
In which organ does a baby develop during pregnancy?
Oviduct
Uterus
Ovary
Vagina
20s
Which hormone causes most of the physical changes of puberty in boys?
Insulin
Adrenaline
Oestrogen
Testosterone
20s
What happens at fertilisation?
An egg cell is released from the ovary
The egg attaches itself to the uterus lining
A sperm cell divides into two new cells
The nucleus of a sperm joins with the nucleus of an egg
20s
Where does fertilisation usually take place in the female body?
In the ovary
In the oviduct
In the uterus
In the cervix
30s
Approximately how long does a human pregnancy last?
About 40 weeks
About 20 weeks
About 60 weeks
About 12 weeks
20s
Why does a sperm cell contain many mitochondria?
To store food for the embryo
To break through the egg's membrane
To carry the genetic information
To release energy for swimming
30s
What happens during menstruation (a period)?
The uterus lining breaks down and leaves the body
The uterus lining thickens with blood vessels
An egg is released from the ovary
A fertilised egg attaches to the uterus
30s
In a typical 28-day menstrual cycle, on about which day does ovulation happen?
Day 28
Day 1
Day 5
Day 14
30s
Which substance passes from the fetus to the mother through the placenta?
Glucose
Carbon dioxide
Oxygen
Antibodies
30s