5
Question
In gymnosperms, pollination is exclusively by
In gymnosperms, pollination is exclusively by
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Solution
The correct option is D Wind
In gymnosperms, the microspores or pollen grains are wind borne and enter the ovule directly through the micropylar canal. The micropyle in almost all gymnosperms secretes a sugary exudate called as the 'pollination drop' which not only receives the pollen grains but also transports them to nucellus of ovule.So, the correct answer is 'Wind'
In gymnosperms, the microspores or pollen grains are wind borne and enter the ovule directly through the micropylar canal. The micropyle in almost all gymnosperms secretes a sugary exudate called as the 'pollination drop' which not only receives the pollen grains but also transports them to nucellus of ovule.
So, the correct answer is 'Wind'
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