First slide
Pre-fertilisation : Structures and Events
Question

Which of the following is a mismatched pair?

1Storage of pollen grains-1960C
2Pollen allergyCarrot grass
3Chasmogamous flowersExposed anthers and stigmas
4XenogamySelf pollination

Easy
Solution

When the pollination takes place in between the two different flowers of two different plants of the same species then it is called xenogamy. Genetically, as well as ecologically, it is cross-pollination.

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