Pollination and Fertilisation
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  • Introduction
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Flowering plants use a lot of energy producing flowers which are part of the plant's reproductive cycle. Flowers contain the male and female parts needed for sexual reproduction.

The MALE PARTS of the flower are the STAMENS. The FILAMENT holds the ANTHER, which produces POLLEN.

 

The FEMALE PART of the flower is the CARPEL. It is made up of the STIGMA which is 'sticky' to catch the POLLEN GRAINS, the STYLE, a tube leading to the OVARY, which contains the female cells.


POLLINATION occurs when pollen from the anther of one plant is carried to the stigma of another.

When the pollen joins with the female egg cell, FERTILISATION has taken place. After this, the petals wither and the seeds grow in the ovary.

  • Question 1
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The stamen is made up of which TWO of these?

sepal

anther

stalk

petal

filament

  • Question 2
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What is the scientific name for the male sex cells of a plant?

eggs

pollen

anther

nectar

  • Question 3
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Pollen from one plant is carried to the stigma of another in which two of these ways?

by the wind

by post

by honeybees

by earthworms

  • Question 4
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Flowering plants have evolved ways of attracting pollinating insects to their flowers. Can you spot THREE of them from this list?

by producing nectar

by making a noise

by making fruit

by producing a scent

by having colourful petals

  • Question 5
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Pollen carried in the wind, for example: grass and tree pollen, can make noses run and eyes stream! What do we call this irritation?

  • Question 6
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The female part of the flower (the carpel) is made up of which THREE parts? 

stigma

style

sepal

ovary

petal

  • Question 7
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Which statement best describes plant FERTILISATION?

seeds are produced in the ovary

pollen is received by the stigma

joining of the male cell with the female cell

  • Question 8
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Following fertilisation, what do the female cells develop into in the ovary? 

  • Question 9
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Here is a list of science words which we use to describe a flowering plant life cycle. Can you re-arrange them in the correct order, starting with the seed? 

seed

flower formation 

fertilisation

germination

seed production

growth

pollination

seed dispersal 

Column A

Column B

1st
fertilisation
2nd
germination
3rd
growth
4th
pollination
5th
seed
6th
flower formation
7th
seed production
8th
seed dispersal
Progress