With the CBSE Class 10 Science board exam 2025 just around the corner, students are busy revising concepts and practicing sample papers. Science is one of the most scoring subjects if approached strategically, and mastering the sample paper provided by CBSE is an excellent way to enhance your performance.
Let’s dive into the details of the CBSE Class 10 Science sample paper for 2025 and find out how you can aim for full marks by understanding its structure, marking scheme, and key preparation tips.
CBSE Class 10 Science Sample Paper 2025 — Overview
| Exam Board | Central Board of Secondary Education (CBSE) |
|---|---|
| Subject | Science |
| Academic Year | 2024–2025 |
| Exam Type | Theory Paper |
| Maximum Marks | 80 |
| Time Allowed | 3 Hours |
| Official Website | cbse.gov.in |
Structure of the Sample Paper
The Science sample paper for CBSE Class 10 is divided into four sections, catering to different levels of complexity:
- Section A: Very Short Answer Questions (1 mark each)
- Questions are direct and test conceptual clarity.
- Example: Define the term “isotopes.”
- Section B: Short Answer Questions-I (2 marks each)
- Focus on brief explanations, diagrams, or reasoning.
- Example: Write the balanced chemical equation for the reaction of aluminum with hydrochloric acid.
- Section C: Short Answer Questions-II (3 marks each)
- Questions require in-depth explanations or multiple steps.
- Example: Explain the process of budding in yeast with a neat diagram.
- Section D: Long Answer Questions (5 marks each)
- Comprehensive questions testing analytical skills and application.
- Example: Explain the working of an electric motor with a labeled diagram.
Additionally, there are internal choices in certain questions to reduce stress and accommodate diverse learning styles.
Marking Scheme for 2025
The marking scheme follows the NCERT syllabus strictly, ensuring fair evaluation. Here’s a breakdown of the marks:
| Type of Question | Number of Questions | Marks Per Question | Total Marks |
|---|---|---|---|
| Very Short Answer | 6 | 1 | 6 |
| Short Answer-I | 6 | 2 | 12 |
| Short Answer-II | 7 | 3 | 21 |
| Long Answer | 3 | 5 | 15 |
- Practical Knowledge Integration: 6 questions include lab-based scenarios to test practical understanding.
- Internal Choice: Provided in 33% of the questions.
How to Score Full Marks on the CBSE Class 10 Science Sample Paper 2025?
Here’s a roadmap to help you maximize your score:
1. Understand the Blueprint
- Review the sample paper to understand the types of questions and weightage for each topic.
- Focus more on high-weightage chapters, such as Electricity, Carbon and Its Compounds, and Life Processes.
2. Master NCERT
- Read every chapter thoroughly.
- Solve all NCERT in-text and end-of-chapter questions.
3. Practice Numerical Problems
- Topics like Ohm’s Law, Lens Formula, and Work, Power, Energy have numerical questions that carry significant weight.
- Practice numerical questions step-by-step to avoid calculation errors.
4. Make Diagrams Your Best Friend
- Draw neat and labeled diagrams for topics like the Human Digestive System, Magnetic Effects of Current, and Electrolysis of Water.
- Diagrams can help fetch marks even if your theoretical explanation lacks precision.
5. Revise Regularly
- Allocate time for weekly revisions.
- Create a cheat sheet with important formulas, definitions, and concepts.
6. Solve Sample Papers and Previous Papers
- Take mock tests under exam conditions to improve speed and accuracy.
- Analyze your mistakes and focus on weak areas.
Key Topics to Focus On
| Unit | Important Chapters | Expected Question Type |
|---|---|---|
| Chemical Substances—Nature and Behaviour | Chemical Reactions and Equations, Periodic Table | Balancing equations, reasoning |
| World of Living | Life Processes, Heredity | Diagram-based questions |
| Effects of Current | Electricity, Magnetic Effects | Numerical, application |
| Natural Phenomena | Light, Human Eye | Ray diagrams, formulas |
| Natural Resources | Environment, Management | Conceptual questions |
Tips for Exam Day
- Time Management:
- Allocate time to each section and stick to it.
- Keep the last 10 minutes for review.
- Answer Presentation:
- Write concise answers.
- Use bullet points, headings, and subheadings for clarity.
- Use Internal Choices Wisely:
- Attempt the question you are most confident about.
- Check Your Work:
- Recheck numerical problems and diagrams for accuracy.
FAQs
Q1. Can I get full marks on the Science paper?
Yes, by thoroughly preparing from the NCERT textbook, practicing sample papers, and maintaining good answer presentation, you can achieve full marks.
Q2. Is there negative marking in the CBSE Science exam?
No, there is no negative marking.
Q3. Are diagrams necessary in Science exams?
Yes, labeled diagrams enhance your answer and can fetch extra marks.
Q4. How many sample papers should I practice?
Practice at least 5–7 sample papers and analyze your performance to improve.
Conclusion
Scoring full marks on the CBSE Class 10 Science sample paper 2025 is achievable with disciplined preparation, consistent practice, and strategic answering. Use the sample paper as a tool to identify your strengths and weaknesses, and focus on improving your weak areas.
Remember, confidence and clarity in your answers are the keys to success. Best of luck for your Science exam!
