CBSE 2023 · Region 5 · Set 1 · Q14 · 1 mark
Assertion (A) : Synthetic oligonucleotide polymers are used during Annealing in a PCR.
Reason (R) : The primers bind to the double stranded DNA at their complementary regions.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true, but Reason (R) is false.
Biotechnology : Principles and ProcessesProcesses of Recombinant DNA TechnologyAnalyseassertion_reasonmedium
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CBSE Class 12 Biology past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.