CBSE Class 10 Important Questions
Chapter-wise important questions with model answers for CBSE Class 10 Maths and Science — the questions most likely to appear in your board exam, aligned to the NCERT 2026–27 syllabus.
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- Theory marks
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CBSE Class 10 important questions are the questions most likely to appear in the exam, picked chapter-by-chapter from the CBSE Class 10 syllabus, past papers and marks weightage. Classmate AI gives them free for Maths and Science, each with a model answer. Jump to a subject below.
Subject-wise important questions
Pick a chapter to open its free important questions. Chapters follow the CBSE Class 10 syllabus order.
CBSE Class 10 Maths Important Questions
Open Maths hub →| Chapter | Class 10 Maths — Important Questions by chapter |
|---|---|
| Chapter 1 | Real Numbers |
| Chapter 2 | Polynomials |
| Chapter 3 | Pair of Linear Equations in Two Variables |
| Chapter 4 | Quadratic Equations |
| Chapter 5 | Arithmetic Progressions |
| Chapter 6 | Triangles |
| Chapter 7 | Coordinate Geometry |
| Chapter 8 | Introduction to Trigonometry |
| Chapter 9 | Some Applications of Trigonometry |
| Chapter 10 | Circles |
| Chapter 11 | Areas Related to Circles |
| Chapter 12 | Surface Areas and Volumes |
| Chapter 13 | Statistics |
| Chapter 14 | Probability |
CBSE Class 10 Science Important Questions
Open Science hub →| Chapter | Class 10 Science — Important Questions by chapter |
|---|---|
| Chapter 1 | Chemical Reactions and Equations |
| Chapter 2 | Acids, Bases and Salts |
| Chapter 3 | Metals and Non-metals |
| Chapter 4 | Carbon and its Compounds |
| Chapter 5 | Life Processes |
| Chapter 6 | Control and Coordination |
| Chapter 7 | How do Organisms Reproduce? |
| Chapter 8 | Heredity |
| Chapter 9 | Light: Reflection and Refraction |
| Chapter 10 | The Human Eye and the Colourful World |
| Chapter 11 | Electricity |
| Chapter 12 | Magnetic Effects of Electric Current |
| Chapter 13 | Our Environment |
CBSE Class 10 marks weightage
Both subjects carry 80 theory marks + 20 internal. Spend your revision time where the marks are — our important questions are weighted the same way.
| Class 10 Maths unit | Marks |
|---|---|
| Number Systems | 6 |
| Algebra | 20 |
| Coordinate Geometry | 6 |
| Geometry | 15 |
| Trigonometry | 12 |
| Mensuration | 10 |
| Statistics & Probability | 11 |
| Theory total | 80 |
| Class 10 Science unit | Marks |
|---|---|
| Chemical Substances — Nature & Behaviour | 25 |
| World of Living | 25 |
| Natural Phenomena (Light) | 12 |
| Effects of Current | 13 |
| Natural Resources | 5 |
| Theory total | 80 |
Why Class 10 important questions matter
Class 10 is your first board exam — the marks follow you into streams and admissions. With several full subjects to revise, working through the right questions beats re-reading everything. Important questions concentrate your effort on what the board actually asks.
How to use them to score more
- Learn first, then test. Finish the chapter from your textbook before opening its important questions.
- Attempt before you peek. Solve each question on paper, then compare with the model answer.
- Fix the misses same-day. Re-attempt anything you got wrong — that is where marks are won.
- Weight your time. Give the high-weightage chapters the most revision passes, not the ones you already know.
- Ask when stuck. If a concept still will not click, let the Classmate AI tutor walk you through it step by step.
Important questions for other classes
Frequently asked questions
Are CBSE Class 10 important questions free?
Yes. Every CBSE Class 10 important-questions page — for Maths and Science — is completely free, with no login or payment required.Which subjects are covered for Class 10?
Maths and Science, chapter by chapter. Each subject page lists the important questions for every chapter of the CBSE Class 10 syllabus.Are these Class 10 important questions updated to the latest syllabus?
Yes. Every chapter maps to the latest CBSE (NCERT) syllabus for Class 10, so you never revise dropped or outdated topics.What is the marks weightage for CBSE Class 10?
Class 10 Maths and Science each carry 80 marks for the theory board exam plus 20 for internal assessment. Maths is weighted towards Algebra (20) and Geometry (15); Science towards Chemistry and Biology (25 marks each). Our important questions follow this weightage.How should I use Class 10 important questions to prepare?
Finish each chapter from your textbook, attempt its important questions on your own, then check the model answers. Re-do anything you get wrong, and revise all of them once more before the exam.
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