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 × 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 × 1) (a) HI (b) Br₂ water (c) Conc. HNO₃
3 marks· C· Reactions of D-Glucose