CBSE Class 10 Science Board Papers
Previous-year CBSE board exam question papers, 2020–2026. One paper per set — tap any to open the PDF.
Papers by year
Most-tested chapters in Class 10 Science
Chapter weightage across all 24 papers below (1243 questions), by how often each NCERT chapter appears.
- Acids, Bases and Salts136 questions11%
- Carbon and its Compounds121 questions10%
- Life Processes118 questions9%
- Electricity117 questions9%
- Light - Reflection and Refraction112 questions9%
- Chemical Reactions and Equations99 questions8%
- Control and Coordination91 questions7%
- How do Organisms Reproduce87 questions7%
- Magnetic Effects of Electric Current82 questions7%
- The Human Eye and the Colourful World79 questions6%
- Our Environment70 questions6%
- Metals and Non-metals66 questions5%
- Heredity and Evolution65 questions5%
Class 10 Science exam pattern (80 marks)
The theory paper carries 80 marks over 3 hours (39 questions, with internal choice in some). Section-wise structure:
| Section | Questions | Marks each | Total | Type |
|---|---|---|---|---|
| A | 20 | 1 | 20 | MCQ + Assertion–Reason |
| B | 6 | 2 | 12 | Very Short Answer |
| C | 7 | 3 | 21 | Short Answer |
| D | 3 | 5 | 15 | Long Answer |
| E | 3 | 4 | 12 | Case-study / source-based |
| Total | 39 | 80 | 3 hours |
Structure per the CBSE 2023-24 sample-paper design; question wording varies by set.
These are the actual CBSE Class 10 Science board exam papers from 2020–2026. CBSE issues each year’s exam in several sets across regions. We list one representative paper per set so you practise every distinct version without duplicates. Looking for textbooks instead? See NCERT Books.
Study Class 10 Science alongside the papers
Why solve previous-year papers?
- See the real exam — the actual difficulty, phrasing and marking scheme, not a publisher's guess.
- Spot high-frequency chapters that repeat year after year, so you revise what matters most.
- Build exam-hall speed — full papers under a real timer expose where you lose minutes.
- Diagnose weak areas before the board exam, while there is still time to fix them.
How to use these papers
- 1Start chapter-wise early in the year — solve only the Science questions from a chapter you have just finished.
- 2Switch to full timed papers 2–3 months before the exam: one complete set in the real time limit, no notes.
- 3Self-mark against the marking scheme, then fix every mistake with our free NCERT solutions.
- 4Re-attempt your weakest chapters until the recurring question types feel routine.
Before you practise older papers: some topics were removed from the rationalised CBSE syllabus in recent years. Skip any question on a deleted topic — it will not appear in your board exam.
CBSE Class 10 Science papers — FAQ
How many CBSE Class 10 Science previous-year question papers can I download here?
25 papers spanning 2020–2026 — one representative paper per set/series each year, free to open as a PDF.
Are these the real CBSE Class 10 Science board exam papers?
Yes. Each is an actual question paper issued by CBSE for the Class 10 Science board examination, taken from the official board release — not a sample or mock paper.
Why are there several sets for the same year?
CBSE issues each year's exam in multiple sets/series across regions. They follow the same syllabus, difficulty and marking scheme, so practising one paper per series covers every distinct version without duplicates.
Do these papers include answers or solutions?
These are the question papers themselves. For step-by-step chapter solutions and the textbook, use our NCERT Solutions and NCERT Books for Class 10.
How should I use previous-year papers to prepare?
Solve each paper in one sitting under the real time limit, then review every mistake against the textbook. Working through several years builds familiarity with how CBSE frames questions for Science.