A dioecious flowering plant prevents both HomeMedical Entrance ExamA dioecious flowering plant prevents bothMedical, NEETA dioecious flowering plant prevents bothOption 1 : Cleistogamy and xenogamyOption 2 : Autogamy and xenogamyOption 3 : Geitonogamy and xenogamyOption 4 : Autogamy and geitonogamy
