Megasporangium is equivalent to:
Ovule
The correct option is option D.
Explanation of the correct answer:
Explanation of the incorrect options:
Option A:
The female gametophyte of a seed plant, within the nucellus, s called the embryo sac.
Option B:
Fruit is an ovary that is matured and its associated parts.
Option C:
The nucellus is the ovary's central part which contains the embryo sac.
Final answer: Megasporangium is equivalent to the ovule.