Q. Assertion : The megaspore mother cell undergoes mitosis to produce four megaspores.
Reason : Megaspore mother cells and the megaspores are both haploid.

 2429  193 AIIMSAIIMS 2002 Report Error

Solution:

The diploid megaspore mother cell has a large nucleus and dense cytoplasm. This cell undergoes meiosis (reduction division) to produce a group of four haploid cells called megaspores.