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In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are:
A
Synergids, antipodals and Polar nuclei
B
Synergids, Primary endosperm nucleus and zygote
C
Antipodals, synergids, and primary endosperm nucleus
D
Synergids, Zygote and Primary endosperm nucleus
Explanation
Synergids are haploid, the zygote is diploid, and the primary endosperm nucleus is triploid.
Detailed Solution
In angiosperms, the haploid, diploid and triploid structures of a fertilised embryo sac sequentially are: Synergids, Zygote and Primary endosperm nucleus.