Question

Select the diploid structure present in the embryo sac

(a) Antipodal cells
(b) Definitive nucleus
(c) Zygote
(d) Synergid cells
(e) Egg cell

Answer 1

Central cell initially contains two polar nuclei which fuses just before fertilization to form diploid definitive nucleus.

Zygote is a diploid cell structure formed as a result of syngamy.

Antipodal cell, synergid cells and egg cell are all haploid.