MEDIUM
Lower Secondary Stage 9
IMPORTANT
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The diagram shows the flower of a lily plant. Write the names of the structures labelled A and B.

Important Questions on Sexual Reproduction in flowering Plants

MEDIUM
Lower Secondary Stage 9
IMPORTANT

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The diagram shows the flower of a lily plant. 

What is the function of the part labelled B?

MEDIUM
Lower Secondary Stage 9
IMPORTANT

The diagram shows the flower of a lily plant. This lily is pollinated by insects.

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Which of the following are common characteristics of insect-pollinated plants? 
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Explain how insects are able to pollinate a plant. 
MEDIUM
Lower Secondary Stage 9
IMPORTANT

The seeds of lily are light, flat and slightly winged. Use this information to suggest how the seeds are dispersed.

Method of dispersal:_____

The reason you think this: _____

MEDIUM
Lower Secondary Stage 9
IMPORTANT
Explain why it is an advantage to the lily's offspring to disperse its seeds.
MEDIUM
Lower Secondary Stage 9
IMPORTANT

The life cycle of the lily involves pollination, fertilisation and germination. Draw a line to match each word with its correct meaning.

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MEDIUM
Lower Secondary Stage 9
IMPORTANT
Explain why dry lily seeds kept in a seed packet do not germinate.
MEDIUM
Lower Secondary Stage 9
IMPORTANT

Imran has three different seeds, each with a different shape. He wants to investigate which seed will be dispersed over the furthest distances. He drops each seed from a height of 2 metres and measures how far the seed travels horizontally.

Seed Distance travelled (cm) Distance travelled (cm) Distance travelled (cm)
A 74 48 68
B 3 6 4
C 0 1 1

Use the results to predict which seed is normally dispersed by the wind. Explain your answer.