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From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
a. A monoecious plant bearing unisexual flowers
b. A dioecious plant bearing only male or female flowers
c. Monoecious plant with bisexual flowers
d. Dioecious plant with bisexual flowers
Answers (1)
The answer is the option (b). A dioecious plant bearing only male or female flowers
Monoecious (bisexual) plants, whether bearing bisexual or unisexual flowers, are capable of both autogamy and geitonogamy. In contrast, dioecious (unisexual) plants with either male or female flowers do not exhibit autogamy or geitonogamy.
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