Notes and Worksheet on Flower Parts and Their Functions. Useful for Cambridge Primary Checkpoint revision tool.

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TOPIC FLOWER PARTS
SUBJECT & GRADE SCIENCE YEAR 5
SUBMISSION
Study the notes below before answering the questions that follow.

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1. Flower is a reproductive organ of a plant.
2. It is the part that makes the seeds in order to produce
new plants.
3. Fertilisation is the process when male gamete and
female gamete are combined together in the ovary.
4. Pollination is the process whereby the pollen from the
anther of a flower is transferred to the stigma of a
flower.
5. There are two types of pollination:
a. Self – pollination
b. Cross – pollination
6. Pollination agents:
a. Insects
b. Wind
c. Water
d. Animal like birds
e. Explosive mechanism
7. Seed dispersal is the movement of seeds away from
the parent plant, not by themselves, but with the help
of the pollination agents.

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Flower part Function
Sepal
 to protect young flower bud
Petal
 colourful
 scented
 to produce nectar
 to attract insects (pollination agent)
Ovary
 contains ovule
 ovary matures to become fruit

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Flower part Function
Ovule  carry female gametes
 after fertilisation, an ovule becomes a seed
Stamen  the MALE parts of a flower
 comprises an anther and a filament
 a filament holds an anther
 an anther holds the pollen grains
 to make pollen grains
Carpel  the FEMALE parts of a flower
 also known as pistil
 comprises stigma, style and ovary
 stigma is the sticky part that catch pollen grains
during pollination
 style is to hold stigma
 style is to grow pollen tube to the ovary for
fertilisation

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Question 1:
Label the following:
a) Name the structure labelled as:
i. A : _____________________________
ii. B : _____________________________
b) Why do you think the petals of a flower have to be colourful and smell nice?
_____________________________________________________________________
_____________________________________________________________________
c) What is another name for carpel?
_____________________________________________________________________
d) What is fertilisation?
_____________________________________________________________________

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e) What is pollination?
_____________________________________________________________________
f) If the seeds have to be dispersed by wind, state THREE characteristics of the seeds:
i. _____________________________________
ii. _____________________________________
iii. _____________________________________
g) If the seeds have to be dispersed by water, state THREE characteristics of the seeds:
i. _____________________________________
ii. _____________________________________
iii. _____________________________________
h) If the seeds have to be dispersed by animal, state THREE characteristics of the seeds:
i. _____________________________________
ii. _____________________________________
iii. _____________________________________
i) Name the pollination agent of the following:

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