Which of the following is the result of double fertilization?
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Cortyledon
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Nucellus
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Endosperm
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Both (a) and (b)
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None of these
C
Correct answer
Explanation
Double fertilization in angiosperms involves one sperm fertilizing the egg (forming zygote) and another fertilizing the two polar nuclei (forming triploid endosperm). The endosperm serves as nutritive tissue for the developing embryo. Cotyledon is part of embryo, and nucellus is part of ovule.