First slide

Pre-fertilisation : Structures and Events

Question

Which one of the following statements is correct?

Easy

A

Cleistogamous flowers are always autogamous
B

Xenogamy occurs only by wind pollination
C

Chasmogamous flowers do not open at all
D

Geitonogamy involves the pollen and stigma of flowers of different plants

Solution

Xenogamy can take place using abiotic (wind, water) as well as biotic (animals) agents but mostly uses biotic agents.
Chasmogamous flowers remain open.
Geitonogamy involves the pollen and stigma of flowers of same plant.

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