The diagram is of a flower - Leaving Cert Biology - Question b - 2021
Question b
The diagram is of a flower.
(i) Name the structures labelled A, B and C.
(ii) Is this flower insect or wind-pollinated?
(iii) Using the diagram, give two reasons ... show full transcript
Worked Solution & Example Answer:The diagram is of a flower - Leaving Cert Biology - Question b - 2021
Step 1
Name the structures labelled A, B and C.
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Answer
A: Anther
B: Filament
C: Ovary
Step 2
Is this flower insect or wind-pollinated?
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Answer
Wind
Step 3
Using the diagram, give two reasons to support your answer at part (ii) above.
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Answer
The flower has a large stigma (or anther) that is designed to catch pollen from the wind.
The filament is long, allowing for better exposure to the wind.
Step 4
What is the role of each of the parts labelled A and D?
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Answer
A (Anther): Produces pollen.
D: Traps pollen (or catches pollen).
Step 5
Give one disadvantage of self-pollination.
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Answer
Less genetic variation in offspring, which may make them more susceptible to disease.
Step 6
Which labelled part develops into the fruit?
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Answer
C (Ovary)
Step 7
Give one way seedless fruits may develop.
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Answer
Spraying with growth regulators (auxin) or selective breeding.
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