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Chemistry · 2025 · 2 marks
CBSE 2025 · Region 7 · Set 1 · Q21
The two strands in DNA are not identical but complementary. Explain. What products would be formed when DNA is hydrolysed?
The two strands in DNA are not identical but complementary. Explain. What products would be formed when DNA is hydrolysed ?
Marking-scheme solution
Because the hydrogen bonds are formed between specific pairs of bases
$\displaystyle 2$-deoxyribose sugar , base and phosphoric acid
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CBSE Class 12 Chemistry past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.