Unisexuality of flowers prevents;

Question

YESPYQ · Accepted Answer

Correct answer: c) autogamy, but not geitonogamy.. Unisexual flowers have either stamens (male) or carpels (female), so a single flower cannot self-pollinate, preventing autogamy. However, a plant with multiple unisexual flowers (especially monoecious plants) can still have pollen from male flowers reach female flowers on the same plant, allowing geitonogamy. Xenogamy (cross-pollination between different plants) is still possible. Thus, unisexuality specifically prevents self-pollination within the same flower but does not stop pollination between different flowers of the same plant.

Unisexuality of flowers prevents;

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