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Q95 (NDA-II/2023) Science & Technology › Basic Science (Physics, Chemistry, Biology) Official Key

Which one of the following is the correct sequence during sexual reproduction in Angiosperms ?

Explanation

In Angiosperms (flowering plants), the sexual reproduction process follows a specific chronological order of development:

  • Egg: The process begins with the female gamete (egg cell) located inside the ovule of the flower's ovary.
  • Zygote: Upon pollination, a male gamete fuses with the egg cell through a process called syngamy (fertilization), resulting in a diploid zygote.
  • Embryo: The zygote then undergoes mitotic cell divisions and differentiation to develop into an embryo, which is the young plant in its earliest stage.
  • Seed: Finally, the ovule containing the embryo matures and develops a protective coat, transforming into a seed.

Thus, the correct developmental sequence is Egg → Zygote → Embryo → Seed, as represented in Option A.

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