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Chemistry · 2023 · 2 marks
CBSE 2023 · Region 3 · Set 1 · Q22
(a) (i) How are carbohydrates stored in animal body? Mention any one organ where they are present. (ii) What is the basic structural difference…
(a)(i)
How are carbohydrates stored in animal body ? Mention any one organ where they are present.
(ii)
What is the basic structural difference between starch and cellulose ?
OR
(b)
Differentiate between :
(i)
Peptide linkage and Glycosidic linkage
(ii)
Nucleoside and Nucleotide
Marking-scheme solution
(a) (i) Glycogen
liver/muscles/brain
(ii)
Starch is a polymer of \(\displaystyle \alpha\)-Glucose whereas Cellulose is a polymer of \(\displaystyle \beta\)-Glucose.
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CBSE Class 12 Chemistry past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.