CBSE 2026 · Region 3 · Set 2 · Q4 · 1 mark
Consider the following statements and choose the correct option : Statement I : Using vaccination and immunization programmes, we have been able to eradicate smallpox. Statement II : Vaccines are available for diphtheria and polio.
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Both Statements I and II are true.
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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.