Class 11 Biology — Chapter 9: BIOMOLECULES
Free AI tutor + NCERT notes for Chapter 9: BIOMOLECULES. 6 topics covered. Ask any question by voice or text in Hindi or English.
What you'll learn
- ▸Chemical Analysis of Living Tissues
- ▸Amino Acids: Structure and Classification
- ▸Simple Lipids: Fatty Acids and Glycerol
- ▸Complex Lipids: Triglycerides and Phospholipids
- ▸Nitrogenous Bases, Nucleosides, and Nucleotides
- ▸Introduction to Carbohydrates (Sugars)
Chapter Summary
--- PAGE 1 --- 11080CH09 CHAPTER 9 BIOMOLECULES 9.1 How to Analyse There is a wide diversity in living organisms in our biosphere. Now a Chemical question that arises in our minds is: Are all living organisms made of the Composition? same chemicals, i.e., elements and compounds? You have learnt in chemistry how elemental analysis is performed. If we perform such an 9.2 Primary and analysis on a plant tissue, animal tissue or a microbial paste, we obtain a Secondary list of elements like carbon, hydrogen, oxygen and several others and Metabolites their respective content per unit mass of a living tissue. If the same analysis is performed on a piece of earth's crust as an example of non-living matter, 9.3 Biomacromolecules we obtain a similar list. What ar…
Practice Questions from this Chapter
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- Identify the main types of biomolecules? Get Solution →
- Unravel the secret of protein shapes? Get Solution →
- Discover how cells use different lipids? Get Solution →
- What chemical is used to grind a living tissue in order to perform a chemical analysis for organic compounds? Get Solution →
- The fraction obtained from chemical analysis that is acid-soluble is also known as what? Get Solution →
- Compared to the Earth's crust, what two elements have a higher relative abundance in living organisms? Get Solution →
- What is the term for the remaining substance after a living tissue is fully burnt, which contains inorganic elements? Get Solution →
- How many types of amino acids are mentioned to occur in proteins? Get Solution →
Did you know?
- 💡 Spider silk, a protein, is stronger than steel by weight.
- 💡 Your brain is about 60% fat, making it the body's fattiest organ.
- 💡 Humans cannot produce 9 essential amino acids; we must eat them.
- 💡 Every atom of carbon in your body originated from a star.
- 💡 Some fish prevent freezing using special antifreeze proteins in their blood.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 6 key topics: Chemical Analysis of Living Tissues, Amino Acids: Structure and Classification, Simple Lipids: Fatty Acids and Glycerol, Complex Lipids: Triglycerides and Phospholipids, Nitrogenous Bases, Nucleosides, and Nucleotides, and more. The BrainWeave AI tutor explains each one with examples.
Is Chapter 9: BIOMOLECULES important for board exams?
Class 11 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.
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