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Rameshvaram
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Asked: 2021-10-10T09:18:34+00:00 In:

Why does the zygote begin to divide only after the division of primary endosperm cell?

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Class 12 Science Important Syllabus Questions Answers
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Class 12 Biology Extra Questions Answers

class 12 science biology solutionsclass 12th science session 2021-2022
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    1. The zygote needs nourishment during its development. As the mature, fertilised embryo sac offers very little nourishment to the zygote, the PEC divides and generates the endosperm tissue which nourishes the zygote.
      Hence, the zygote always divides after division of PEC.

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