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Question
List the changes observed in an angiosperm flower subsequent to pollination and fertilisation.
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Solution
Post-fertilisation events
Changes observed in an angiosperm flower subsequent to pollination and fertilisation are as follows:-
* The petals, sepals, stamen and style are shed. Sometimes, the sepals remain, for example in pineapple.
*The synergids and antipodal cells degenerate.
*Diploid zygote develops into the embryo.
* The central cell becomes the endosperm, which provides nutrition to the growing embryo.
*The ovules develop into seeds.
*Outer and inner integuments of the ovule become the seed coat (testa and tegmen respectively).
* The ovary develops into a fruit and the ovary wall becomes a fruit wall.
Changes observed in an angiosperm flower subsequent to pollination and fertilisation are as follows:-
* The petals, sepals, stamen and style are shed. Sometimes, the sepals remain, for example in pineapple.
*The synergids and antipodal cells degenerate.
*Diploid zygote develops into the embryo.
* The central cell becomes the endosperm, which provides nutrition to the growing embryo.
*The ovules develop into seeds.
*Outer and inner integuments of the ovule become the seed coat (testa and tegmen respectively).
* The ovary develops into a fruit and the ovary wall becomes a fruit wall.
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