CUET UG Biology Unit Test 2

#1. Arrange the following stages of female gametophyte development in the correct order. (A) Organization of the 8 nuclei into the 7-celled embryo sac. (B) Nucleus of functional megaspore divides mitotically into two nuclei moving to opposite poles. (C) Formation of the 4-nucleate and then 8-nucleate stages. (D) Meiotic division of the Megaspore Mother Cell (MMC) to produce four megaspores.