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

Synergids are a pair of haploid cells present at the micropylar end of embryo sac and constitute egg apparatus along with haploid egg. Zygote is a diploid structures formed by fusion of male and triploid, formed by fusion of one gamete with the secondary nucleus.