CBSE 12 Chemistry · U10
Biomolecules
Carbohydrates, proteins, enzymes, vitamins, nucleic acids and hormones. Theory weightage: 7 marks.
Test yourself
A focused, distraction-free run through 25 multiple-choice questions. Hints if you need them; your score at the end.
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Topic 10.1
Carbohydrates
Classification, reducing and non-reducing sugars, hydrolysis products, and polysaccharide roles.
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Topic 10.2
Amino Acids and Proteins
Zwitterions, peptide bonds, protein structure levels, and denaturation.
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Topic 10.3
Enzymes and Vitamins
Enzyme action, specificity, denaturation, vitamin classes, functions, and deficiencies.
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Topic 10.4
Nucleic Acids
Nucleosides, nucleotides, DNA/RNA composition, base pairing, and genetic information.
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Topic 10.5
Hormones and Integrated Biomolecule Reasoning
Elementary hormone idea excluding structures, and integrated identification across biomolecule classes.
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