Class 11 Biology Notes, Chapter 17 Exchange of Gases, PDF Free To Download.
- Chapter 1 The Living World
- Chapter 2 Biological Classification
- Chapter 3 Plant Kingdom
- Chapter 4 Animal Kingdom
- Chapter 5 Morphology of Flowering Plants
- Chapter 6 Anatomy of Flowering Plants
- Chapter 7; Structural Organisation in Animals
- Chapter 8 Cell The Unit of Life
- Chapter 9 Biomolecules
- Chapter 10 Cell Cycle and Cell Division
- Chapter 11 Transport in Plants
- Chapter 12 Mineral Nutrition
- Chapter 13 Photosynthesis in Higher Plants
- Chapter 14 Respiration in Plants
- Chapter 15 Plant Growth and Development
- Chapter 16 Digestion and Absorption
- Chapter 17 Breathing and Exchange of Gases
- Chapter 18 Body Fluids and Circulation
- Chapter 19 Excretory Products and their Elimination
- Chapter 20 Locomotion and Movement
- Chapter 21 Neural Control and Coordination
- Chapter 22 Chemical Coordination and Integration