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Biomolecules

Maharashtra Board · Class 11 · Biology

Complete topic list for Biomolecules in Maharashtra Board Class 11 Biology. Key concepts, sub-topics, and what to focus on for board exams.

45 questions26 flashcards5 concepts

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4 Topics · Maharashtra Board Class 11 Biology

Topics in Biomolecules

1

Carbohydrates

  • Carbohydrates are 'hydrates of carbon' with general formula Cx(H2O)y containing C, H, O in 1:2:1 ratio
  • Classification: Monosaccharides (glucose, fructose, galactose), Disaccharides (sucrose, lactose, maltose), Polysaccharides (starch, cellulose, glycogen)
  • Monosaccharides are building blocks - cannot be hydrolyzed further, have free aldehyde/ketone groups making them reducing sugars
2

Lipids

  • Lipids contain C, H, O with H:O ratio greater than 2:1, insoluble in water but soluble in organic solvents
  • Fatty acids are hydrocarbon chains ending in carboxyl group (-COOH)
  • Saturated fatty acids have no double bonds (palmitic, stearic acids), unsaturated have one or more double bonds (oleic, linoleic acids)
3

Proteins

  • Proteins are polymers of amino acids linked by peptide bonds, containing C, H, O, N and sometimes S
  • 20 naturally occurring amino acids serve as building blocks
  • Primary structure: Linear sequence of amino acids
4

Nucleic Acids

  • Nucleic acids are polynucleotides composed of nucleotides (sugar + phosphate + nitrogenous base)
  • Two types: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid)
  • Nitrogenous bases: Purines (Adenine, Guanine - double ring), Pyrimidines (Cytosine, Thymine in DNA/Uracil in RNA - single ring)

Key Concepts

Organic compounds with the general formulaWaterLarge molecules made of amino acidsPolynucleotides composed of nucleotides (sugar +Biological catalysts that are primarily proteins

Frequently Asked Questions

What are the important topics in Biomolecules for Maharashtra Board Class 11 Biology?
Biomolecules covers several key topics that are frequently asked in Maharashtra Board 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 — Maharashtra Board Class 11 Biology?
Understand the core concepts first, then work through the 45 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.

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All 16 chapters — Maharashtra Board Class 11 Biology Syllabus

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