CBSE - X

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Sexual Reproduction in Plants

Sexual Reproduction in Plants

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Pollen is yellowish pollen grains produced by anther. Parts of a Flower consists of sepals, petals, stamens and carpel. A flower with either male or female reproductive organs is termed unisexual flower. A flower with both male and female reproductive organs in the same flower is Bisexual Flower. Stamen is the male reproductive organ consists of filament and anther. Pollination is a phenomenon that transfers of pollen grains from anther to stigma of carpel. Self pollination is a process in which pollen of a flower reach the stigma of same flower.

Cross pollination is a process in which transfer of pollen grain of one flower to stigma of another flower of same kind.  Insects, animals , wind, birds and water are known as Agents of Pollination. Carpel is a female reproductive organ consists of  ovary, style and stima. Pollen tube is tube that grows out from pollen to reach the ovum in ovary. Syngamy is a fusion of male and female gametes. Germination is the growing of a seed by using endosperm stored in the seed to gives rise to shoot and root systems.

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