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Question : Exaplain the types of entry of pollen tube into the ovule.

Answer»

Solution :ENTRY of POLLEN TUBE into the ovule . There are three types of pollen tube entry into the ovule.
Porogamy : when the pollen tube enters through the MICROPYLE.
Chalazogamy : when the pollen tune enters through the CHALAZA.
Mesogamy : when the pollen tube enters through the integument.


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