Which of the following is not functionally analogous with others in the group

Megasporangium is equivalent to

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

Filiform apparatus is found in which part of angiosperms

Definations / Explanation :

$1.$ Micropyle

$2.$ Chalaza

The nutritive tissue present in the ovule is called