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Question
Megasporophyll of Cycas is homologous to
Megasporophyll of Cycas is homologous to
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Solution
The correct option is A Carpel
Gynoecium is megasporophyll. Megasporophyll has stigma, style and ovary. In Gymnosperms (plants with naked seeds like Conifers, Cycads, Ginkgos), the ovules are not enclosed in an ovary but lie exposed on leaf like structures, the megasporophylls. A long time span separates pollination and fertilization, and the ovules begin to develop into seeds long before fertilization has been accomplished.Carpels are thought to be phylogenetically derived from ovule-bearing leaves or leaf homologues (megasporophylls), which evolved to form a closed structure containing the ovulesSo, the correct answer is 'Carpel'
Gynoecium is megasporophyll. Megasporophyll has stigma, style and ovary. In Gymnosperms (plants with naked seeds like Conifers, Cycads, Ginkgos), the ovules are not enclosed in an ovary but lie exposed on leaf like structures, the megasporophylls. A long time span separates pollination and fertilization, and the ovules begin to develop into seeds long before fertilization has been accomplished.
Carpels are thought to be phylogenetically derived from ovule-bearing leaves or leaf homologues (megasporophylls), which evolved to form a closed structure containing the ovules
So, the correct answer is 'Carpel'
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