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Biology · 2026 · 1 mark
CBSE 2026 · Region 1 · Set 1 · Q10
The idea of use and disuse of organs for evolution of organism was proposed by
The idea of use and disuse of organs for evolution of organism was proposed by
Official answer
(D)
Lamarck
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CBSE Class 12 Biology past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.