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Question

In gymnosperms, pollination is exclusively by

A
Animals
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B
Wind
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C
Water
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D
Insects
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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'

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