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Chemistry · 2025 · 2 marks
CBSE 2025 · Region 7 · Set 2 · Q20
Write two differences between Amylose and Amylopectin components of starch.
Write two differences between Amylose and Amylopectin components of starch.
Marking-scheme solution
Amylose
Amylopectin
Linear polymer of α-glucose
Branched polymer of α-glucose
C1-C4 glycosidic linkage
C1-C4 and C1-C6 glycosidic linkages
Water soluble
Water insoluble
It constitutes $\displaystyle 15$-$\displaystyle 20$% of starch
It constitutes $\displaystyle 80$-$\displaystyle 85$% of starch
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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.