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Question: Answered & Verified by Expert
In a fertilised embryo sac, the haploid, diploid and triploid structure are:
BiologySexual Reproduction in Flowering Plants
Options:
  • A
    synergid, zygote and primary endosperm nucleus
  • B
    synergid, antipodal and polar nuclei
  • C
    antipodal, synergid and primary endosperm nucleus
  • D
    synergid, polar nuclei and zygote
Solution:
1264 Upvotes Verified Answer
The correct answer is:
synergid, zygote and primary endosperm nucleus
(i) Synergid - haploid
(ii) Polar nuclei-haploid
(iii) Antipodal-haploid
(iv) Zygote-diploid
(v) Primary Endosperm Nucleus (PEN).
Diploid secondary nucleus fertilises with a haploid male gamete to form a triploid PEN.

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