Question 1
What is puberty?
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The stage when a child’s body matures into an adult body
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The process of fertilisation in the uterus
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The release of an egg from the oviduct
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The stage when growth stops completely
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 the nuclei of a sperm cell and an egg cell
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Release of an egg from an ovary
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Attachment of an embryo to the uterine lining
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Division of a zygote into two gametes
Question 5
Where does fertilisation usually happen in humans?
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Oviduct (fallopian tube)
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Uterus
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Ovary
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Cervix
Question 6
Where does implantation of the embryo occur?
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In the lining of the uterus
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In the oviduct
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In the ovary
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In the cervix
Question 7
What is the main role of the placenta during pregnancy?
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To exchange substances between mother and foetus
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To produce sperm for the foetus
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To digest food for the mother
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To replace the umbilical cord
Question 8
Why can smoking during pregnancy harm the foetus?
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It can reduce oxygen reaching the foetus
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It guarantees twins
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It increases nutrient transfer to the foetus
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It prevents the placenta from forming
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 is the main purpose of the menstrual cycle?
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To prepare the reproductive system for possible pregnancy
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To release sperm from the testes
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To prevent any egg from maturing
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To digest food more quickly
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
Why is seed dispersal important for plants?
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It reduces competition between offspring and parent plants
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It ensures all seeds grow beside the parent
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It prevents seeds from being fertilised
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It makes pollination unnecessary
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