Question
Biology Question on Pre-Fertilisation: Structures And Events
The pollination of two flowers on different plants is known as
A
xenogamy
B
geitonogamy
C
cleistogamy
D
dichogamy
Answer
xenogamy
Explanation
Solution
Xenogamy is the cross pollination between two flowers of different plants. Geitonogamy is the cross pollination between two flowers of the same plant. Cleistogamy is the phenomenon in which group of plants, set seeds without exposing their sex organs. It is the most efficient floral adaptation for promoting self-pollination and it may be inherent or ecological. Dichogamy refers to the maturation of male and female sex organs at different times. It is a safeguard against self-pollination.