Question 1
What is puberty?
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Development into reproductive maturity
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Fertilisation of an egg cell
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Implantation of an embryo
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Completion of all body growth
Question 2
Which is the male gamete in humans?
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Sperm cell
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Egg cell
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Embryo
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Placenta
Question 3
Which is the female gamete in humans?
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Egg cell
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Sperm cell
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Zygote
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Foetus
Question 4
What is fertilisation?
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Fusion of sperm and egg nuclei
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Release of an egg from an ovary
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Implantation of an embryo in the uterus
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Shedding of the uterine lining
Question 5
Where does fertilisation usually happen in humans?
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Oviduct
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Uterus
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Ovary
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Cervix
Question 6
Where does an embryo normally implant?
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In the lining of the uterus
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In the lining of the oviduct
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In the wall of the ovary
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In the lining of the cervix
Question 7
What is the main role of the placenta?
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Exchange substances between mother and foetus
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Produce hormones for sperm formation
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Store urine made by the foetus
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Pump blood through the umbilical cord
Question 8
How can smoking during pregnancy harm the foetus?
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Reduce the oxygen reaching it
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Increase the oxygen reaching it
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Speed up nutrient transfer to it
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Increase blood flow through its lungs
Question 9
How long does a full-term human pregnancy last?
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\(40\,\mathrm{weeks}\)
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\(4\,\mathrm{weeks}\)
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\(20\,\mathrm{weeks}\)
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\(80\,\mathrm{weeks}\)
Question 10
What is ovulation?
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Release of an egg cell from an ovary
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Fusion of sperm and egg nuclei
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Shedding of the uterine lining
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Development of a foetus in the uterus
Question 11
What happens to the uterine lining before a possible pregnancy?
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It thickens
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It forms an egg cell
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It becomes the placenta
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It moves into the oviduct
Question 12
Which structure carries sperm from the testes?
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Sperm duct
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Oviduct
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Uterus
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Placenta
Question 13
What is pollination in flowering plants?
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Transfer of pollen from anther to stigma
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Fusion of male and female nuclei in an ovule
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Growth of a seed into a new plant
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Transfer of water from roots to leaves
Question 14
Which feature is typical of insect-pollinated flowers?
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Bright petals and nectar
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Small dull petals and exposed anthers
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Feathery stigma hanging outside
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No scent and no nectar
Question 15
Which feature is typical of wind-pollinated flowers?
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Feathery stigma and exposed anthers
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Large scented petals and sticky nectar
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Bright petals with little pollen
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Petals sealed shut to trap pollen
Question 16
Where does fertilisation occur in a flowering plant?
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In the ovule
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In the stigma
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In the anther
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In the petal
Question 17
After fertilisation in a flowering plant, what does the ovule develop into?
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Seed
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Petal
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Stigma
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Sepal
Question 18
After fertilisation in a flowering plant, what does the ovary develop into?
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Fruit
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Root
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Leaf
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Anther
Question 19
What can effective seed dispersal reduce?
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Competition with parent plants
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Pollen transfer to stigmas
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Fruit production by flowers
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Water uptake by parent roots
Question 20
A dandelion seed has a parachute-like structure. Which dispersal method is this adapted for?
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Wind dispersal
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Animal ingestion
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Explosive dispersal
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Water dispersal
Question 21
What is a gamete?
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A sex cell
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A fertilised egg
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An early embryo
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A reproductive organ
Question 22
Which organ produces sperm cells?
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Testes
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Ovaries
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Prostate gland
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Uterus
Question 23
Which organs produce egg cells?
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Ovaries
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Testes
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Oviducts
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Uterus
Question 24
Where does a fertilised egg develop during pregnancy?
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Uterus
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Ovary
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Bladder
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Stomach
Question 25
Which gas passes from the mother to the foetus through the placenta?
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Oxygen
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Carbon dioxide
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Nitrogen
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Methane
Question 26
What is menstruation?
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Shedding of the uterine lining
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Release of an egg from an ovary
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Fusion of sperm and egg nuclei
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Implantation of an embryo
Question 27
What is the aim of contraception?
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Reduce the chance of pregnancy
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Increase the chance of implantation
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Trigger the release of more eggs
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Speed up embryo development
Question 28
Which characteristic can be inherited through DNA?
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Natural eye colour
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Spoken language
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A suntan
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A scar
Question 29
What is a zygote?
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A fertilised egg cell
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An unfertilised egg cell
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A sperm cell before fertilisation
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An embryo after many divisions
Question 30
What is an embryo?
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An organism in early development
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A mature sex cell
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A fertilised egg before division
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An offspring near the end of pregnancy