From among the situations given, choose the one that prevents both autogamy and geitonogamy.

Monoecious plant bearing unisexual flowers

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Dioecious plant bearing only male or female flowers

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Monoecious plant with bisexual flowers

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Dioecious plant with bisexual flowers

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Solution

The correct option is B Dioecious plant bearing only male or female flowers
Monoecious(bisexual)plant bearing either bisexual or unisexual flowers can exhibit both autogamy as well as geitonogamy. Dioecious(unisexual) plants bearing only male or female flowers will not show autogamy or geitonogamy and only xenogamy is possible.

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From among the situations given below, choose the one that prevents both autogamy and geitonogamy.

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