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