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CBSE Class 10 Science Question Paper Set 1 (31/1/1) 2025 – Official PDF & Answers

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How to Download CBSE Class 10 Science 2025 Board Paper Set 1 with Answer Key and Marking Scheme

Looking for the CBSE Class 10 Science Question Paper Set 1 31/1/1 2025? Download the official CBSE question paper PDF for free right here! This Set 1 paper was given to students during the CBSE board exam, making it perfect for real exam practice.


The CBSE Science board exam was conducted in March 2025 across schools in India. The 2025 board date sheet is usually announced by CBSE in December, so stay alert for exam pattern updates and new question types for the upcoming 2026 session.


Use this official CBSE paper to get familiar with the latest science exam pattern. Practicing with real board questions is the best way to improve your speed and boost confidence for your 2026 CBSE Science board exam.

How to Download CBSE Class 10 Science 2025 Board Paper Set 1 with Answer Key and Marking Scheme

Vedantu offers authentic CBSE previous year question papers so you can practice with actual board exam material and boost your exam strategy. Practicing directly from these official papers helps reinforce understanding of concepts while preparing for CBSE’s focus on analytical skills and application-based learning—key to maximising your confidence and performance.


ParameterDetails
ClassClass 10
SubjectScience
Set NumberSet 1
Paper Code31/1/1
Exam Year2025
Total Marks80
Time Allowed3 Hours

Why Solving CBSE Class 10 Science Question Paper Set 1 31/1/1 2025 is Important

Attempting real previous year papers sharpens familiarity with CBSE’s official pattern and recurring topics, improves time management, and helps you identify focus areas for revision. Practising genuine question papers on Vedantu deepens understanding, enhances accuracy, and helps develop exam temperament under real conditions—an essential step for scoring high in your Science board exam.


How to Access CBSE Class 10 Science Question Paper Set 1 31/1/1 2025 on Vedantu

Getting the official CBSE Science board paper for your practice is simple on Vedantu.

  • Visit Vedantu’s website.
  • Open the “Previous Year Question Papers” section for CBSE Class 10 Science.
  • Select 2025, Set 1, and Paper Code 31/1/1.
  • Click “Download PDF” to get the previous year question paper.

Question Paper Structure & Format — CBSE Class 10 Science Set 1 31/1/1 2025

This official CBSE Science paper features a blend of sections and internal choices, including MCQs, short-answer, and long-answer formats to assess conceptual grasp and application, consistent with current CBSE trends.


SectionNo. of QuestionsMarks per QuestionTotal Marks
Section A616
Section B6212
Section C10330
Section D8432

Expert Tips for Attempting CBSE Class 10 Science Question Paper Set 1 31/1/1 2025

Begin by scanning the entire question paper, tackle the sure-shot questions first, and manage time for lengthier sections. Always reserve a few minutes for quick revision at the end. Consistent practice with Vedantu’s previous year papers improves speed and boosts confidence ahead of the board exam.


Common Mistakes to Avoid in CBSE Class 10 Science Question Paper Set 1 31/1/1 2025

Be careful not to misread data or miss out steps in multi-part questions, and watch your time allocation for each section. Prioritize neat presentation and accuracy in diagrams or units, as clarity and stepwise working are valued by CBSE examiners.


FAQs on CBSE Class 10 Science Question Paper Set 1 (31/1/1) 2025 – Official PDF & Answers

1. Where can I get CBSE Class 10 Science Set 1 31/1/1 paper?

You can download the official CBSE Class 10 Science Set 1 (31/1/1) 2025 question paper PDF and answer key after the exams conclude.

- Visit the official CBSE academic website or trusted exam preparation platforms
- Look for “CBSE Class 10 Science Question Paper Set 1 2025 PDF Download” links
- Ensure you access both question paper and solved answer key PDFs for comprehensive exam practice
- Always use the latest 2025 set to match the current syllabus pattern

2. Was the science paper easy in 2025?

The CBSE Class 10 Science Paper Set 1 (2025) was considered of moderate difficulty by most students.

- The paper included a balanced mix of MCQs, case-based questions, and application-based numericals
- Assertion-reason and HOTS questions required strong conceptual clarity
- Students reported no major surprises but advised thorough revision of key chapters
- Practicing with previous year papers is highly recommended to handle such levels of difficulty

3. How to download Science Set 1 PDF?

You can easily download the CBSE Class 10 Science Set 1 31/1/1 2025 PDF by following these steps:

- Check the official CBSE academic website for "Question Paper" downloads
- Visit trusted exam resource pages with the official 2025 science set PDFs
- Download the file for offline practice and revision
- PDFs are usually uploaded soon after the exam date and include question set and answer key

4. How many questions were there and how was the paper divided?

The CBSE Class 10 Science 2025 Set 1 paper had a total of 39 questions divided into five sections.

- Section A: 20 MCQs/objective questions (1 mark each)
- Section B: 6 Very Short Answer Questions (2 marks each)
- Section C: 7 Short Answer I (3 marks each)
- Section D: 3 Long Answer/Short Answer II (5 marks each)
- Section E: 3 Case-based/Source-based Questions (4 marks each)
- The paper covered Physics, Chemistry, and Biology per CBSE blueprint

5. Does the marking scheme follow stepwise marks for long questions?

Yes, the CBSE marking scheme for Class 10 Science 2025 uses stepwise marking for 3-mark and 5-mark descriptive questions.

- Marks are awarded for each correct step, even if the final answer has an error
- This benefits students who show correct methodology
- Refer to the official marking scheme PDF for model step-by-step answers
- Always structure your answers as directed to maximize partial credit

6. Where can I find detailed Science Set 1 answers?

You can access detailed CBSE Class 10 Science Set 1 (31/1/1) 2025 answer solutions through:

- The official CBSE answer key and marking scheme (after exam)
- Exam resource platforms providing stepwise solution PDFs and model answers
- These solutions include diagrams, alternate correct approaches, and examiner tips
- Always compare your attempts to these for accurate self-assessment

7. Are all sets of the science paper equally difficult?

Yes, the CBSE prepares all sets (Set 1, 2, 3, etc.) of the Class 10 Science paper to be of equal difficulty.

- All sets follow the same blueprint, syllabus and marking pattern
- The questions test similar concepts, though the order or wording may vary
- CBSE ensures fairness for all students regardless of the distributed set

8. Is there a difference in question types between English and Hindi medium in Set 1?

No, the question types and difficulty level for Science Set 1 are identical for both English and Hindi medium students.

- Only the language of instruction changes
- Content, question formats, marking scheme, and weightage remain exactly the same
- All students receive an equivalent exam experience

9. What is CBSE Class 10 Science Question Paper Set 1 31/1/1 2025?

The CBSE Class 10 Science Question Paper Set 1 (31/1/1) 2025 is the official board science exam paper for March 2025.

- It contains 39 compulsory questions from Physics, Chemistry, and Biology
- Designed per the latest CBSE syllabus and blueprint
- Includes various question types: MCQs, short answer, long answer, and case-based questions
- Used for exam practice, revision, and benchmarking

10. How does the weightage of practical-based questions compare to previous years?

The weightage of practical-based and application questions in CBSE Science 2025 has slightly increased compared to previous years.

- More case-based, source-based, and assertion-reason questions are present
- Practical and real-life application scenarios are regularly asked
- Practicing with recent sample papers and previous year sets helps in adapting to this trend