CBSE 2023 · Region 1 · Set 1 · Q13 · 1 mark
Assertion (A) : A patient of ADA deficiency undergoing treatment for gene therapy requires periodic infusion of genetically engineered lymphocytes.
Reason (R) : Lymphocytes are immortal.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true, but Reason (R) is false.
Biotechnology and its ApplicationsBiotechnological Applications in MedicineAnalyseassertion_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.