CBSE Class 9 Science Important Questions
CBSE Class 9 Science lays down the definitions, diagrams and numerical habits that Class 10 boards test directly. These important questions mix Physics, Chemistry and Biology so no single strand gets neglected before the syllabus gets heavier next year. Chapter-wise, with model answers, aligned to the NCERT 2026–27 syllabus.
- 13
- Chapters
- 13
- Live now
- 13–15
- Qs / chapter
- ₹0
- Free forever
CBSE Class 9 Science important questions are chapter-wise practice questions on the core ideas of the CBSE Class 9 Science syllabus, in the question formats used in the exam. Classmate AI gives all 13 chapters free, each with a model answer. Pick a chapter below to start.
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.
Keep going
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.Which Class 9 Science chapters get the most important-questions searches?
Motion (the equations of motion and distance-time/velocity-time graphs) and gravitation (Newton's law of gravitation and free fall) are consistently the most-searched Class 9 Science topics, followed closely by the cell and matter-related chapters. Pick the chapter you're revising from the list on this page; each one has its own important-questions page with full model answers.
Master Class 9 Science — free
No credit card · CBSE Class 9 Science · Chapter-wise practice with an AI tutor
Practise free with Classmate AI →