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Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS

हिन्दी

In flowering plants, the zygote situated at the micropylar end generally divides only after a certain amount of endosperm is formed. What is the primary evolutionary significance of this adaptation?

  1. A
    To prevent polyspermy during double fertilisation
  2. B
    To ensure that the developing embryo receives an assured supply of nutrition
  3. C
    To induce dormancy in the early stages of embryogeny
  4. D
    To facilitate cell wall formation around the antipodal cells
View Answer & Solution

Correct answer · Option B

To ensure that the developing embryo receives an assured supply of nutrition

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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