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The diagram shows some details of sexual reproduction in a flowering plant - Leaving Cert Biology - Question 5 - 2016

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The diagram shows some details of sexual reproduction in a flowering plant. (a) Name the parts labelled A, B and C. A _____________________________________ B ____... show full transcript

Worked Solution & Example Answer:The diagram shows some details of sexual reproduction in a flowering plant - Leaving Cert Biology - Question 5 - 2016

Step 1

Name the parts labelled A, B and C.

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Answer

A: Stigma B: Pollen tube C: Egg (or female gamete or ovum)

Step 2

Suggest two ways by which the structure labelled D could have arrived at its position on the structure labelled A.

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Answer

(i) Wind (ii) Insect (or animal)

Step 3

By what process does the structure labelled D give rise to the two structures labelled E?

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Answer

Mitosis

Step 4

What is the fate of each of the two structures labelled E?

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Answer

(i) One fuses with the egg (nucleus)

(ii) The other fuses with the polar nuclei

Step 5

Name the structure labelled F and say what it develops into after fertilisation.

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Answer

Name: Ovule

Develops into: Seed

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