The formation of embryo sac is called

Choose correct sentences

$(i)$ The gynoecium represents the female reproductive part of the flower

$(ii)$ Ovule is located in Anther

$(iii)$ Each pistil has three parts the stigma, style, and ovary

$(iv)$ The upper most part of gynoecium is Anther

In angiosperms, the following events occur during megasporogenesis and megagametogenesis

$(i)$ Differentiation of megaspore mother cells

$(ii)$ Meiosis of the megaspore mother cell

$(iii)$ Formation of a linear tetrad

$(iv)$ Mitotic division of the functional megaspore

$(v)$ Degeneration of 3 megaspores

$(vi)$ Formation of embryo sac

$(vii)$ Fusion of polar nuclei

The correct sequence is

The functional megaspore undergoes

Location and Function :

$1.$ Ovary

$2.$  Placenta

Definations / Explanation :

$1.$ Micropyle

$2.$ Chalaza