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Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS

हिन्दी

In angiosperms, what is the primary biological significance of the delay in zygote division until a certain amount of endosperm has developed?

  1. It facilitates the entry of oxygen and water through the micropyle.
  2. It is an adaptation to provide assured nutrition to the developing embryo.
  3. It prevents polyembryony in flowering plants.
  4. It triggers cell wall formation in the primary endosperm cell immediately.

Correct answer · Option 2

It is an adaptation to provide assured nutrition to the developing embryo.

Explanation

Most zygotes divide only after a certain amount of endosperm is formed. This is an adaptation to provide assured nutrition to the developing embryo.
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