CBSE 2025 · Region 2 · Set 2 · Q11 · 1 mark
During gel electrophoresis migration of DNA fragments leading to their separation takes place on the agarose gel. Choose the correct option :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
The smaller the fragment size, the farther it moves.
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CBSE Class 12 Biology past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.