CBSE 2026 · Region 1 · Set 3 · Q13 · 1 mark
Assertion (A) : Fossils provide direct evidence for evolution.
Reason (R) : Fossils help to trace evolutionary relationships among organisms over time.
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation for Assertion (A).
EvolutionWhat are the Evidences for Evolution?Understandassertion_reasonmedium
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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.