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Chemistry · 2026 · 2 marks
CBSE 2026 · Region 4 · Set 1 · Q20
What are the hydrolysis products of the following? (a) Lactose (b) DNA containing Thymine
What are the hydrolysis products of the following ?
(a)
Lactose
(b)
DNA containing Thymine
Marking-scheme solution
(a)
Glucose and Galactose
(b)
Deoxyribose sugar, Thymine base and Phosphoric acid
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CBSE Class 12 Chemistry past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.