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CBSE Class 9 Science Important Questions
CBSE Class 9 Science blends definitions, diagrams, reasoning and numericals. These important questions cover all four so you are ready whether the paper asks you to label a diagram, explain a process, or solve for a value. Chapter-wise, with model answers, aligned to the NCERT 2026–27 syllabus.
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Quick answer
CBSE Class 9 Science important questions are the chapter-wise questions most likely to appear in the exam, picked from the CBSE Class 9 Science syllabus and past papers. Classmate AI gives all 13 chapters free, each with a model answer. Pick a chapter below to start.
Syllabus reference (2026–27): NCERT (National Council of Educational Research and Training) · CBSE (Central Board of Secondary Education)
All 13 chapters — Class 9 Science
In syllabus order. Open any chapter for its free important questions with model answers.
| Chapter | CBSE Class 9 Science — Important Questions by chapter |
|---|---|
| Chapter 1 | Exploration: Entering the World of Secondary Science |
| Chapter 2 | Cell: The Building Block of Life |
| Chapter 3 | Tissues in Action |
| Chapter 4 | Describing Motion Around Us |
| Chapter 5 | Exploring Mixtures and their Separation |
| Chapter 6 | How Forces Affect Motion |
| Chapter 7 | Work, Energy and Simple Machines |
| Chapter 8 | Journey Inside the Atom |
| Chapter 9 | Atomic Foundations of Matter |
| Chapter 10 | Sound Waves: Characteristics and Applications |
| Chapter 11 | Reproduction: How Life Continues |
| Chapter 12 | Patterns in Life: Diversity and Classification |
| Chapter 13 | Earth as a System: Energy, Matter and Life |
Why these Science questions help
- Precise definitions and neat, labelled diagrams carry easy, reliable marks.
- Reasoning and assertion–reason questions reward understanding, not rote learning.
- Numericals in Physics need practice under time — these build that speed.
Class 9 Science exam tips
- Practise labelled diagrams until you can draw them from memory.
- Write definitions in the exact keywords the marking scheme expects.
- For numericals, always write the formula, units and final answer clearly.
- When a chapter still will not click, let the Classmate AI tutor walk you through it step by step.
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Frequently asked questions
Are CBSE Class 9 Science important questions free?
Yes. Every chapter's important-questions page for CBSE Class 9 Science is completely free — no login, no payment.How many chapters are covered in Class 9 Science?
All 13 chapters of the CBSE Class 9 Science syllabus have their own important-questions page.Do these follow the latest CBSE Class 9 Science syllabus?
Yes — every chapter is mapped to the NCERT 2026–27 syllabus for CBSE Class 9 Science, so nothing is outdated or dropped.How should I use these Science important questions?
Finish each chapter from your textbook, attempt its important questions on paper, then check the model answers and re-do anything you got wrong.
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