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प्रश्न
Define siphonogamy.
व्याख्या
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उत्तर
The pollen tube carrying male gametes penetrates one of the synergids. Watery contents of the synergid are absorbed by the pollen tube, which then ruptures and releases the contents, including the two non-motile male gametes. As non-motile male gametes are carried through a hollow pollen tube, it is known as siphonogamy that ensures fertilization takes place.
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