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Biology · 2026 · 1 mark
CBSE 2026 · Region 1 · Set 2 · Q13
Assertion (A): When we see stars, we are apparently peeping into the past. Reason (R): What we see today is an object whose emitted light started its…
Assertion (A) : When we see stars, we are apparently peeping into the past.
Reason (R) : What we see today is an object whose emitted light started its journey millions of years back reaching our eyes now.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation for Assertion (A).
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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.