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Double Fertilisation

Why does the ...

Question

Why does the development of endosperm preceeds that of embryo?

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Solution

The development of endosperm precedes that of the embryo because the endosperm cells provide nutrition to the developing embryo. Endosperm exists as storage and nourishing tissue, it stores starch and fat.

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Q. Why does endosperm development precede embryo development in angiosperm seeds? State the role of endosperm in mature albuminous seeds.

Q. Endosperm development precedes embryo development because_____________.

Q. Describe the development of endosperm after double fertilization in an angiosperm. Why does endosperm development preceeds that of zygote?

Q. Assertion :In angiosperms, endosperm development precedes embryo development. Reason: Double fertilisation ensures that the nutritive tissue is formed before the zygote starts cleaving so that the energy spent on the formation of endosperm does not get wasted.

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Double Fertilisation

Standard XII Biology

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