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Biology · PYQ NEET UG 2019(1)

हिन्दी

Extrusion of second polar body from egg nucleus occurs:

  1. A
    before entry of sperm into ovum
  2. B
    simultaneously with first cleavage
  3. C
    after entry of sperm but before fertilization
  4. D
    after fertilization
View Answer & Solution

Correct answer · Option C

after entry of sperm but before fertilization

Explanation

The entry of sperm into the secondary oocyte stimulates the completion of meiosis II, leading to the extrusion of the second polar body before syngamy (fertilization).

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