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NEETBotanySexual Reproduction in Flowering Plants

Read the following statements regarding the development of a typical female gametophyte in angiosperms: (A) The method of embryo sac formation from a single megaspore is termed monosporic development. (B) The mitotic divisions of the functional megaspore are strictly free-nuclear. (C) Cell wall formation occurs immediately after every mitotic division. (D) Six of the eight nuclei are surrounded by cell walls and orga

Options

  1. AOnly two
  2. BOnly three
  3. CAll four
  4. DOnly one

Correct answer

B. Only three

Step-by-step solution

Statement (A) is correct as the development of an embryo sac from a single functional megaspore is called monosporic development. Statement (B) is correct because the mitotic divisions during megagametogenesis are strictly free-nuclear, meaning nuclear divisions are not immediately followed by cell wall formation. Statement (C) is incorrect because cell walls are not laid down immediately after every division; they are formed only after the 8-nucleate stage is reached, leading to the organization of the typical fem

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