Sexual Reproduction in Flowering Plants Question 9
9. A dioecious flowering plant prevents both :
(a) Autogamy and geitonogamy [2017]
(b) Geitonogamy and xenogamy
(c) Cleistogamy and xenogamy
(d) Autogamy and xenogamy
Show Answer
Answer : a
Hints & Solutions
(a) Autogamy occurs in bisexual flowers. Geitonogamous flowers are unisexual but present in the same plant. Dioecious condition is observed when unisexual male and female flowers are present on different plants and it prevents both autogamy and geitonogamy.
