Where Babies Really Come From
From a single cell to a newborn, the story of how a baby is made is one of biology's greatest journeys.
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問題1
Where does fertilisation of an egg by a sperm usually happen?
- In the uterus
- In the fallopian tube
- In the ovary
- In the cervix
問題2
How long can an egg typically be fertilised after ovulation?
- About 5 days
- About 72 hours
- About 12 to 24 hours
- About 2 weeks
問題3
What decides whether a baby is genetically male or female?
- The mother's egg
- The timing of ovulation
- The mother's hormones
- The father's sperm
問題4
What is the ball of cells called that implants in the uterus wall?
- Blastocyst
- Zygote
- Foetus
- Placenta
問題5
Which hormone do home pregnancy tests detect?
- Progesterone
- Oestrogen
- hCG
- Oxytocin
問題6
Which organ develops during pregnancy to pass oxygen and food to the baby?
- The amnion
- The placenta
- The yolk sac
- The corpus luteum
問題7
How long does a full-term pregnancy last, counted from the last period?
- About 36 weeks
- About 42 weeks
- About 38 weeks
- About 40 weeks
問題8
From which week is the developing baby usually called a foetus?
- Week 4
- Week 9
- Week 16
- Week 20
問題9
Identical twins come from what?
- Two eggs and two sperm
- Two eggs and one sperm
- One egg that split
- One egg and two sperm
問題10
In IVF, where does fertilisation take place?
- In the uterus
- In a fallopian tube
- In an incubator inside the body
- In a laboratory dish






