Pinus seed is originated in

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(D) Seeds are formed after fertilization and the subsequent development of the ovule.In $Pinus$,two ovules or megasporangia are present on the adaxial

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Megasporophyll

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(D) Seeds are formed after fertilization and the subsequent development of the ovule.In $Pinus$,two ovules or megasporangia are present on the adaxial surface of the ovuliferous scale.The ovuliferous scale and the bract scale together constitute the megasporophyll (or female cone scale).Therefore,the seed originates on the megasporophyll.

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