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Question
Pollen grain wings of Pinus are outgrowths of
Pollen grain wings of Pinus are outgrowths of
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Solution
The correct option is B Exine
In the Pinus, winged pollen grains exist.
It is an outgrowth of exine on the two lateral sides to make the wings of
pollen. It is the characteristic feature, only in Pinus. In Pinus, some surface
tissues of the ovuliferous scale are still attached to the seed. Thus forming a
membranous wing.
Thus the correct answer is Exine.
The correct option is B.
In the Pinus, winged pollen grains exist. It is an outgrowth of exine on the two lateral sides to make the wings of pollen. It is the characteristic feature, only in Pinus. In Pinus, some surface tissues of the ovuliferous scale are still attached to the seed. Thus forming a membranous wing.
Thus the correct answer is Exine.
The correct option is B.
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