Q. 144.0( 2 Votes )
In a fertilised e
Synergids, antipodal, polar nuclei are haploid in nature.
Zygote is diploid cell.
Primary endosperm nucleus is triploid in nature.
Antipodal are haploid in nature
So in a fertilised embryo sac, the haploid, diploid and triploid structures are Synergid, zygote and primary endosperm nucleus respectively.
Therefore the correct answer is option (a).
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