Plant reproduction

Question 1

Name the parts of a flower and describe the function of them

Answer 1

Petal: attracts insects
Sepal: protects bud
Carpel: female part
Stamen: male part
Stigma: catches polen
Ovary: contains ovules
Pollen: male sex cell
Ovule: female sex cell
Filament: supports anther
Anther: makes pollen

Question 2

Describe the different features of both insect and wind pollinated flowers

Answer 2

Insect flowers: colourful, nice smell to attract insects

Pollinated flowers: small flowers, lack of colour, produce lightweight powdery pollen, carried by the wind

Question 3

Explain how we can decide if pollen grains are carried by wind or insects by looking at their structure

Answer 3

Insect pollinated flowers: large pollen grains with a rough surface to help stick to insects body

Wind pollinated: small pollen grains with smooth surface

Question 4

What is fertilisation?

Answer 4

Joining of the pollen, and of you nuclei to form a seed

Question 5

Draw a flowchart to show the different steps in plant reproduction

Answer 5

Seed —> produce a plant —> mature plant flower —> pollinating

Question 6

Can you label a diagram of the parts of a seed?

Answer 6

Plumule Testa

New plant—>
Radicle Cotyledon

Question 7

What are the three conditions for seed germination?

Answer 7

Water, oxygen and warmth