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