REPRODUCTION
SEXUAL REPRODUCTION IN FLOWERING PLANTS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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After a pollen grain has reached the stigma, it travels through the ____ to reach the ovary.
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style
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stalk
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stigma
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stem
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Explanation:
Detailed explanation-1: -A pollen grain on the stigma grows a tiny tube, all the way down the style to the ovary. This pollen tube carries a male gamete to meet a female gamete in an ovule.
Detailed explanation-2: -When the pollen grain lands on the stigma, chemical communication occurs between the pollen grain and the pistil, helping the pistil recognize the right type of pollen. After acceptance, pollen begins to germinate and the pollen tube develops towards the ovary carrying the male gamete.
Detailed explanation-3: -The transfer of pollen grains from the anther to stigma of a flower is called pollination.
There is 1 question to complete.