Revision Notes For For Class 11 Biology Chapter 9 Biomolecules

Biomolecules, which are also called the biological molecules, are the organic or the naturally occurring molecules in all living cells. They are the polymers of a high molecular weight of hydrogen and carbon molecules along with the oxygen, sulphur, nitrogen, and phosphorus. Biomolecules are large molecules composed of several atoms that are covalently bound together. There are four major classes of biomolecules:

  • Lipids
  • Proteins
  • Nucleic acids
  • Carbohydrates

These biomolecules have a common fundamental relationship between structure and its functions. They are essential for the proper functions of the body cells and tissues and are manufactured within the body cells.

Check here for the free CBSE Class 11 Biology revision notes for chapter 9- Biomolecules.

Class 11 Biology Chapter 9 - Biomolecules
Class 11 Biology Chapter 9 - Biomolecules

For more information about the Biomolecules, click on the below-mentioned links.


Practise This Question

Which of the following are products of anaerobic respiration?