CBSE 2024 · Region 2 · Set 1 · Q3 · 1 mark
In humans, the secondary oocyte completes meiotic division when :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
it is penetrated by the sperm cell.
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CBSE Class 12 Biology past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.