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Q.
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
Sexual Reproduction in Flowering Plants
Solution:
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 xenogmay is possible.