Botany - Sexual Reproduction in Flowering Plants Question with Solution | TestHub

BotanySexual Reproduction in Flowering PlantsPre-fertilisation Structures and EventsMedium2 minPYQ_2023
BotanyMediumsingle choice

In angiosperms the correct sequence of events in formation of female gametophyte in the ovule is (A) 3 successive free nuclear divisions in functional megaspores. (B) Degeneration of 3 megaspores. (C) Meiotic division in megaspore mother cell. (D) Migration of 3 nuclei towards each pole. (E) Formation of wall resulting in seven celled embryo sac. Choose the correct answer from the options given below.NEET 2023 (Manipur)

Options:

Answer:
B
Solution:

In angiosperms the correct sequence of events in formation of female gametophyte in the ovule is - The megaspore mother cell undergoes meiosis and forms four haploid megaspores.(C) - One remains functional and three degenerate.(B) - 3 successive free nuclear divisions in functional megaspore take place.(A) - Migration of 3 nuclei towards each pole.(D) - Formation of wall resulting in seven celled embryo sac.(E) The correct sequence is

Stream:NEETSubject:BotanyTopic:Sexual Reproduction in Flowering PlantsSubtopic:Pre-fertilisation Structures and Events
⏱ 2mℹ️ Source: PYQ_2023

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