In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are:

In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are:
  1. Synergids, antipodals and Polar nuclei
  2. Synergids, Primary endosperm nucleus and zygote
  3. Antipodals, synergids, and primary endosperm nucleus
  4. Synergids, Zygote and Primary endosperm nucleus

Solution

Synergids are pairs of haploid cells present at the micropylar end of embryo sac. Zygote which is a diploid structure undergoes divisions to form an embryo. Antipodal and polar nuclei are also haploid in nature. Primary endosperm nucleus is triploid in nature. In a fertilized embryo sac the haploid, diploid and triploid structures are synergid, zygote and primary endosperm respectively.

Asked in: NEET 2023 (All India)

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