CBSE Class 12 Chemistry — Biomolecules

All previous year questions from Chapter: Biomolecules

4 questions found

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2026(4 questions)

12
$The deficiency of which of the following vitamins causes increased fragility of red blood cells and muscular weakness:$
1 mark· A· $Vitamin deficiency diseases$
16
$Assertion (A): The pentaacetate of glucose does not react with H₂N - OH. Reason (R): It indicates the presence of free - CHO group in glucose.$
1 mark· A· $Structure of glucose (pentaacetate test)$
20
$Differentiate between the following: (2 \times 1) (i) Peptide linkage and Glycosidic linkage (ii) Essential amino acids and Non-essential amino acids$
2 marks· B· $Linkages and amino acids in biomolecules$
25
$Write the reactions of D-Glucose with the following: (3 \times 1) (a) HI (b) Br₂ water (c) Conc. HNO₃$
3 marks· C· $Reactions of D-Glucose$