In a fertilised embryo sac, the haploid, diploid and triploid structures are

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.

Answer

A

Explanation

In a fertilised embryo sac, the haploid, diploid and triploid structures are synergids, zygote and primary endosperm nucleus respectively.