Development of female gametophyte directly from megaspore mother cell without meiosis is called

Answer: Option B

Development of female gametophyte directly from megaspore mother cell without meiosis is called Apospory.
Apospory is the development of 2n gametophytes, without meiosis and spores, from vegetative, or nonreproductive, cells of the sporophyte.
Apospory develops in pteridophytes that have a mineral nutrition shortage due to insufficient minerals in the soil.