Question

what is the part played by stamens and carpel in sexual reproduction

Answer 1

stamen produces Male gametes(pollen grains) and carpel produces female gametes(eggs)
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Answer 2

Stamen is the male reproductive organ of the plant which consists of an anther and a filament. Anther produces male gametes in the pollen grains. The anthers release the pollens which fertilize the eggs after pollination. Carpel is the female reproductive organ of the plant which consists of the stigma, the style and the ovary. The stigma is sticky and receives pollens. Ovary contains ovules which has female gametes (eggs). After pollination on stigma, pollen is sent to ovary. The fertilization of male gamete and female gamete takes place within the ovule which becomes a seed and ovary becomes the fruit.