CBSE Class 10 Science Board Papers 2023
The actual CBSE Class 10 Science board exam paper from 2023 — 4 sets, free PDF. Tap any set to open it.
What was tested in Science 2023
Chapter breakdown across the 4 classified 2023 sets (213 questions) — a guide to what this exam emphasised.
- Life Processes28 questions13%
- Chemical Reactions and Equations23 questions11%
- Acids, Bases and Salts21 questions10%
- Light - Reflection and Refraction20 questions9%
- Carbon and its Compounds19 questions9%
- Magnetic Effects of Electric Current17 questions8%
- How do Organisms Reproduce16 questions8%
- Electricity15 questions7%
- Heredity and Evolution13 questions6%
- Control and Coordination13 questions6%
- The Human Eye and the Colourful World11 questions5%
- Metals and Non-metals9 questions4%
- Our Environment8 questions4%
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 real CBSE Class 10 Science board question papers for 2023. CBSE runs each exam in several sets across regions — same syllabus, difficulty and marking scheme. Solve under timed conditions, then check answers against the NCERT textbook and NCERT Solutions.
Other years of Class 10 Science
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.
CBSE Class 10 Science 2023 — FAQ
How many CBSE Class 10 Science 2023 question papers are there?
4 sets — CBSE issues the 2023 Science exam in several sets across regions, all on the same syllabus and marking scheme. Each is a free PDF.
Is this the real CBSE Class 10 Science 2023 board paper?
Yes — every set here is an actual 2023 board question paper issued by CBSE. None are sample or mock papers.
How should I use the 2023 Science paper?
Solve a full set in one sitting under the real time limit, then check each answer against the NCERT textbook. Comparing sets shows how CBSE varies the same syllabus across regions.
Which chapters were most tested in Science 2023?
Life Processes (13%), Chemical Reactions and Equations (11%), Acids, Bases and Salts (10%), Light - Reflection and Refraction (9%) led the 2023 Science paper — see the full chapter breakdown above.