What is the role of the stigma in the process of fertilisation?
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A.
Serving as the site where pollen lands
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B.
Fusing with the egg cell
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C.
Producing pollen
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D.
Developing into a seed
Correct Answer:
A. Serving as the site where pollen lands
Explanation:
The correct answer is Option A: Serving as the site where pollen lands.
The stigma is the receptive tip of the female reproductive organ in a flower, known as the carpel or pistil. Its primary function in fertilization is to capture and hold pollen grains transferred from anthers. Often sticky or covered in tiny hairs, the stigma provides the necessary surface for pollen to germinate and grow a pollen tube, which eventually delivers male gametes to the ovule for fertilization. While other parts of the flower handle pollen production or seed development, the stigma acts specifically as the entry point for the pollination process.
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