Sexual Reproduction in Flowering PlantsMedium
Question
Which one of the following types of pollination brings genetically different types of pollen grains to the stigma?
Options
A.Autogamy
B.Xenogamy
C.Geitonogamy
D.Cleistogamy
Solution
Sol. [Key Concept: Xenogamy brings genetically different pollen (cross-pollination)]
Transfer of pollen grains from anther to stigma of a different plant is known as Xenogamy. This is the only type of pollination which brings genetically different types of pollen grains to stigma. Cleistogamy flowers are invariably autogamous.
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