The diagram shows a flower - Leaving Cert Biology - Question 15 - 2018
Question 15
The diagram shows a flower.
(i) Name the parts labelled A, B, C.
(ii) What substance produced by flowers causes hay fever in some people?
(iii) Which labelled par... show full transcript
Worked Solution & Example Answer:The diagram shows a flower - Leaving Cert Biology - Question 15 - 2018
Step 1
Name the parts labelled A, B, C.
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Answer
The parts labelled are as follows:
A: Stigma
B: Anther
C: Ovary (or ovule)
Step 2
What substance produced by flowers causes hay fever in some people?
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Answer
The substance that causes hay fever in some people is pollen.
Step 3
Which labelled part will contain the seeds?
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Answer
The labelled part that will contain the seeds is C: Ovary (or ovule).
Step 4
Explain the term dormancy.
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Answer
Dormancy refers to a state of no germination or growth in seeds after dispersal. This period occurs despite the presence of necessary conditions for germination.
Step 5
Give two advantages of dormancy.
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Answer
Dormancy allows seeds to survive adverse conditions, such as extreme weather.
It helps seeds to wait for favorable conditions for germination, ensuring better chances of survival.
Step 6
Give one example of a seedless fruit.
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Answer
An example of a seedless fruit is grapes.
Step 7
Suggest one advantage of seedless fruits.
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Answer
One advantage of seedless fruits is that they allow for easier consumption and may also provide more energy for fruit development.
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