Megasporangium is equivalent to
Draw the diagram of a mature embryo sac and show its $8-$ nucleate, $7-$ celled nature. Show the following parts : antipodals, synergids, egg, central cell, polar nuclei.
Describe about pistil (gynoecium).
Definations / Explanation :
$1.$ Micropyle
$2.$ Chalaza
An orthotropous ovule is one in which micropyle and chalaza are