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Chemistry · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 1 · Q3
Two among the three components of DNA are β -D-2-deoxyribose and a heterocyclic base. The third component is:
Two among the three components of DNA are $\displaystyle \beta$-D-$\displaystyle 2$-deoxyribose and a heterocyclic base. The third component is :
Official answer
(B)
Phosphoric acid
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CBSE Class 12 Chemistry past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.