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Biology · PYQ NEET UG 2025

हिन्दी

How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?

  1. A
    2 Meiosis and 3 Mitosis
  2. B
    1 Meiosis and 2 Mitosis
  3. C
    1 Meiosis and 3 Mitosis
  4. D
    No Meiosis and 2 Mitosis
View Answer & Solution

Correct answer · Option C

1 Meiosis and 3 Mitosis

Explanation

Megaspore mother cell undergoes 1 meiotic division to form 4 megaspores, and the functional megaspore undergoes 3 successive mitotic divisions to form a 7-celled, 8-nucleate embryo sac.

Related questions

Which of the following is an example of a zygomorphic flower?→Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : A typical unfertilised, angiosperm embryo sac at maturity is 8 nucleate and 7-celled. Reason (R) : The egg apparatus has 2 polar nuclei. In the light of the above statements, choose the correct answer from the options given below :→Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Cells of the tapetum possess dense cytoplasm and generally have more than one nucleus. Reason (R) : Presence of more than one nucleus in the tapetum increases the efficiency of nourishing the developing microspore mother cells. In light of the above statements, choose the most appropriate answer from the options given below :→
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