The embryo sac of an angiosperm is made up of

1.  8 cells

2.  7 cells and 8 nuclei

3.  8 nuclei

4.  7 cells and 7 nuclei

(b) Embryo sac in angiosperm is a female gametophyte. It contains 2 synergids, 1 egg cell, 3 antipodal cells and one secondary nucleus.