Cell: The Building Block of Life
Free CBSE Class 9 Science Chapter 2 (Exploration) notes with 29 practice questions: cell membrane, osmosis, organelles, prokaryotic vs eukaryotic cells, mitosis, meiosis and Cell Theory.
All Chapter Notes
Exploration: Entering the World of Secondary Science
Free CBSE Class 9 Science Chapter 1 (Exploration) notes: scientific models, laws vs theories vs principles, prediction, estimation and the branches of science, in English medium.