CBSE 2025 · Region 6 · Set 1 · Q12 · 1 mark
In his observations of small black birds in the Galapagos Islands, Darwin found that all the finches arose from the original ancestor :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Seed-eating finches
EvolutionWhat Is Adaptive Radiation?Remembermcqmedium
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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.