Winged pollen grains are found in
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Cycas
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Pinus
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Pteris
-
Selaginella
B
Correct answer
Explanation
In Pinus, the pollen grains at maturity are protected by a three-layered wall; outermost is exine, the second exointine forms two balloon-like outgrowths called wings and the third is intine. Wings help in the transportation of pollen grains from one place to another place.