Page 4 - 2._Lesson_Notes-Sexual_Reproduction_in_flowering_Plants
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Self pollination Cross pollination
1. It is the transfer of pollen grain It is the transfer of pollen grain from
from anther to stigma of the anther of one flower to stigma of
same flower or different flower another flower borne by another
of the same plant. plant.
2. It doesn’t require an external It requires an external agency for
agency for the transfer of pollen the transfer of pollen grains from
grains. one flower to another.
3. Such bisexual flowers produce Such flowers produce large no. of
small no. of pollen grains. pollen grains.
4. It does not bring variations. It brings about a large no. of
variations.
Depicting self-pollination and cross pollination
Fertilization
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