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Biomolecules

CBSE · Class 11 · Biology

Step-by-step guide to study Biomolecules in CBSE Class 11 Biology. Topics to cover, practice strategy, and time allocation.

131 questions96 flashcards5 concepts

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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 131 questions available for this chapter.

3
Day 4

Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Biomolecules after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • Acid-soluble pool contains small molecules.
  • Acid-insoluble fraction contains large biomolecules and membrane fragments.
  • Water is the most abundant chemical in living organisms.

  • Primary metabolites are common in animal tissues.
  • Secondary metabolites are abundant in plants, fungi, and microbes.
  • Secondary metabolites include alkaloids, flavonoids, rubber, essential oils, antibiotics, pigments, scents, gums, and spices.

  • Amino acids contain both amino and carboxyl groups on the same alpha-carbon.
  • Amino acids are substituted methanes.
  • Only 20 amino acids occur in proteins.

Common Mistakes to Avoid

Lipids are true macromolecules just like proteins, nucleic acids, and polysaccharides.

Cellulose and starch are the same because both are polysaccharides made of glucose.

The right end of a polysaccharide chain is the non-reducing end and the left end is the reducing end.

Memory Tips

Chemical composition of living organisms versus earth's crust

Acid-soluble pool and acid-insoluble fraction

Amino acid basic structure and alpha carbon

Only 20 amino acids occur in proteins

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Frequently Asked Questions

What are the important topics in Biomolecules for CBSE Class 11 Biology?
Biomolecules covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Biomolecules — CBSE Class 11 Biology?
Understand the core concepts first, then work through the 131 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Biomolecules

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