Q. A dioecious flowering plant prevents both :
A) Autogamy and xenogamy
B) Autogamy and geitonogamy
C) Geitonogamy and xenogamy
D) Cleistogamy and xenogamy
Explanation
[Solution] With male and female flowers on different plants, both autogamy and geitonogamy are impossible. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.