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The endosperm cells in angiosperms are
a) Why does endosperm development precede development in angiosperm seeds? State the role of endosperm in mature albuminous seeds. b) Describe with the help of three labelled diagrams the different embryonic stages that include mature embryo of dicot plants.
(a) A capsicum flower has 240 ovules in its ovary . But , it produces a fruit with only 180 viable seeds. Explain giving a reason that could be responsible for such a result. (b) Describe the development of an endosperm in a viable seed. Why does endosperm development precedes embryo development ? (c) Give an example of an angiosperm seed that has a perisperm . Name the part the perisperm develops from.
Describe the development of endosperm after double fertilization in an angiosperm. Why does endosperm development preceeds that of zygote ?
Describe the development of endosperm after double fertilization in an angiosperm. Why does endosperm development preceeds that of zygote ?
The gymnospermic endosperms differs form an angiospermic endosperm because in gymnosperms it is
The endosperm in angiosperm is
XII BOARDS PREVIOUS YEAR-XII BOARDS-Delhi Board : Set II Section - C
