Biology · PYQ NEET UG 2020
हिन्दीMeiotic division of the secondary oocyte is completed:
Correct answer · Option 3
At the time of fusion of sperm with an ovum
Explanation
The secondary oocyte is arrested in metaphase II of meiosis. Meiotic division is completed only when a sperm fertilizes the ovum, triggering anaphase II.