Science Class 9 Solutions, MCQ, Notes, Book FREE PDF Download

Think It Over (Page No. 28) 1. How is the study of cells and tissues significant for understanding the life processes and human welfare? Answer: The study of cells and tissues helps us understand how living organisms function and grow. Cells are the basic units of life, and similar cells form tissues that perform specific […]

Pause and Ponder (Page No. 4) 1. Think of a prediction you or your family made recently (for example, the outcomeof a cricket match). Was it based on evidence and reasoning, or mainly on guesswork? How can scientific thinking improve such predictions? Answer: A recent prediction in my family was about the result of a […]

Chapter 1 Exploring: Entering the World of Secondary Science Intext Question & Answers Chapter 2 Cell: The Building Block of Life Intext Question & Answers Revise, Reflect, Refine (Exercise) Chapter 3 Tissues in Action Intext Question & Answers Revise, Reflect, Refine (Exercise) Chapter 4 Describing Motion Around Us Chapter 5 Exploring Mixtures and their Separation […]

Revise, Reflect, Refine 1. Differentiate between the following pairs of terms based on the clues given in parentheses: (i) Cell membrane and cell wall (permeability) (ii) RER and SER (structure) (iii) Chloroplasts and chromoplasts (pigments) Answer: (i) Cell membrane and Cell wall (Permeability) Feature Cell Membrane Cell Wall Permeability Selectively permeable – allows some substances […]

Think It Over (Page No. 8) 1. Where does a cell come from? Answers: A cell comes from a pre-existing cell. According to cell theory, new cells are formed by the process of cell division from already existing cells. 2. How have technological interventions facilitated the creation of new knowledge in understanding the world beyond […]

MCQ Science Exploration Class 9 – 2026 MCQ Class 9 Science Exploration MCQ Science Class 9 Old Book MCQ Class 9 Science