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Biology · 2026 · 1 mark
Biotechnology : Principles and ProcessesProcesses of Recombinant DNA Technology1 markAnalyseassertion reason
CBSE 2026 · Region 5 · Set 1 · Q16
Assertion (A): The use of chitinase enzyme is necessary for the separation of DNA from yeast cells but not in the case of Spirogyra. Reason (R):…
Assertion (A): The use of chitinase enzyme is necessary for the separation of DNA from yeast cells but not in the case of Spirogyra.
Reason (R) : Fungal cell wall is made up of fungal chitin.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the 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.