In embryo sac, n, 2n, 3n conditions are found respectively in :-
= Following components are haploid, diploid or triploid (a) Oosphere (b) Microspore (c) Synergids (d) Antipodals (e) Oospore (f) nucellus (g) Placenta (h) Chalaza (i) Endosperm (j) Tapetum