Live

CBSE 10th Science Exam 2026 Live: New Exam Pattern, CBSE Guidelines for Answer Sheets, Important Instructions and Sample Questions

Anisha Mishra
Feb 25, 2026, 00:35 IST

The CBSE Class 10 Science exams scheduled for tomorrow i.e., February 25, exam scheduled from 10:30 AM to 1:30 PM. Students will get an extra 15 minutes to read the paper before beginning the exam. New Exam Pattern, Expert analysis, revision tips, and sample papers will be available to help students prepare for upcoming exams. After each exam, the question papers and expert reviews will be shared for further reference.

CBSE 10th Science Exam 2026 Live: New Exam Pattern. CBSE Guidelines for Answer Sheets, Important Instructions and Sample Questions
CBSE 10th Science Exam 2026 Live: New Exam Pattern. CBSE Guidelines for Answer Sheets, Important Instructions and Sample Questions

HIGHLIGHTS

  • The CBSE 10th Science exam is scheduled on 25th February, 2026
  • Check out the new exam pattern and other important resources to score high
  • The exam duration will be of 3 hours starting from 10:30 am to 1:30 pm, with 15 min reading time for the question paper.

The much-awaited CBSE Class 10 Science Board Exam is just around the corner, scheduled for tomorrow, February 25th, 2026. This paper is a critical one for students, covering fundamental concepts in Physics, Chemistry, and Biology that form the base for future studies. The exam is set to be conducted from 10:30 AM to 1:30 PM, giving students three hours to complete the paper, with an additional 15 minutes provided at the start to carefully read through the question paper. The CBSE will conduct class 10 science exam 2026 with a changed pattern. The board released an advisory for students, guiding them to understand the latest paper format which is explained below. 

This live blog is your ultimate resource for all things related to the CBSE Class 10 Science exam. We will bring you the latest updates on the new exam pattern, crucial last-minute revision tips, and expert-curated resources like sample papers to help you score high. Once the exam is over, stay tuned for a quick analysis of the paper's difficulty level, student feedback, and a thorough expert review of the questions. Bookmark this page and keep checking back for live, real-time information to guide you through this important milestone.

CBSE Class 10 Science New Question Paper Format

The Science theory paper will carry 80 marks and will consist of 39 compulsory questions divided into three sections—Biology, Chemistry, and Physics. Each section has questions of varying difficulty levels and formats, such as MCQs, assertion–reasoning, short answer, long answer, and case-based questions.

Section-Wise Question Distribution and Marks

Section

Marks per Question

No. of Questions

Question Type

Question Numbers

Total Marks

A – Biology

1 mark

9

MCQs / Assertion–Reason

Q1–9

9

 

2 marks

3

Short Answer

Q10–12

6

 

3 marks

2

Short Answer (Diagram / Reasoning)

Q13–14

6

 

4 marks

1

Case / Experiment-Based

Q15

4

 

5 marks

1

Long Answer (Descriptive)

Q16

5

Total

 

16 Questions

 

 

30 Marks

B – Chemistry

1 mark

8

MCQs / Assertion–Reason

Q17–24

8

 

2 marks

1

Short Answer

Q25

2

 

3 marks

2

Short Answer / Practical-Based

Q26–27

6

 

4 marks

1

Case / Activity-Based

Q28

4

 

5 marks

1

Long Answer (Application-Based)

Q29

5

Total

 

13 Questions

 

 

25 Marks

C – Physics

1 mark

3

MCQs / Assertion–Reason

Q30–32

3

 

2 marks

2

Short Answer / Numerical

Q33–34

4

 

3 marks

3

Short Answer (Diagram / Conceptual)

Q35–37

9

 

4 marks

1

Case / Practical Application

Q38

4

 

5 marks

1

Long Answer (Numerical / Conceptual)

Q39

5

Total

 

10 Questions

 

 

25 Marks

Overall Total

 

39 Questions

80 Marks

In short: While the total marks remain the same (80 + 20), the 2025-26 paper is more streamlined, allowing students to focus on each science branch independently.

Keep refreshing this page for more insights and latest updates on CBSE 10th Science Exam:

LIVE UPDATES
Click here to refreshRefresh
  • Feb 25, 2026, 00:35 IST

    Before Sleeping Tonight: Final Checklist for Science Exam

    As the CBSE Class 10 Science Exam 2026 will be held tomorrow, students should relax and focus on light revision before going to bed. Proper rest and a calm mind will help you stay confident and perform well in the examination.

    Before sleeping tonight, make sure to:

    • Keep your admit card and stationery ready for the exam

    • Revise important formulas, diagrams, and definitions briefly

    • Check your exam centre location and reporting time

    • Set an alarm to reach the centre before 10:00 AM

    • Avoid studying new topics at the last moment

    • Get proper sleep to stay fresh and focused

    Stay confident and trust your preparation. Best wishes to all students appearing for the CBSE Class 10 Science Board Exam 2026 tomorrow.

  • Feb 24, 2026, 23:54 IST

    CBSE Class 10 Science Question Papers

    We will also share the CBSE Class 10 Science Question Papers 2026 for all sets along with expert answer keys in this live blog after the examination tomorrow.

    Students will get access to:

    • All sets of CBSE Class 10 Science question papers

    • Expert-verified answer keys for all sets

    • Correct answers for objective and short questions

    • Detailed solutions for important questions

    These updates will help students cross-check their answers and estimate their expected scores after the exam.

  • Feb 24, 2026, 23:51 IST

    CBSE Class 10 Science Exam 2026 Live Updates

    Stay tuned to this live blog tomorrow for detailed CBSE Class 10 Science Exam 2026 paper analysis and student feedback after the examination. We will share section-wise exam analysis and expert reviews based on students’ reactions and teachers’ opinions.

    Students will get to know:

    • Overall difficulty level of tomorrow’s Science paper

    • Section-wise exam analysis

    • Students’ reactions and feedback

    • Teachers’ expert review of the question paper

    • Important and tricky questions asked in the exam

    • Expected good attempts and scoring trends

  • Feb 24, 2026, 23:46 IST

    Last-Minute Revision Tips to Follow Before the Science Exam

    Students appearing for the CBSE Class 10 Science Exam can use the time before reaching the examination centre for quick and effective revision. A short revision session can help refresh important concepts and boost confidence before the exam.

    Quick Revision Tips for Tomorrow Morning:

    • Revise important formulas, definitions, and key concepts from Physics and Chemistry chapters.

    • Quickly go through important diagrams such as electric circuits, human eye, magnetic field lines, and ray diagrams.

    • Review chemical equations and reactions, especially frequently asked ones.

    • Read NCERT summary points and highlighted keywords instead of starting new topics.

    • Keep your hall ticket, stationery, and required items ready to avoid stress.

    • Stay calm and reach the exam centre early so you have time to relax before the exam starts.

    These quick revision steps can help students stay confident and perform better in the CBSE Class 10 Science Board Exam 2026.

  • Feb 24, 2026, 23:41 IST

    Follow Toppers' Strategy for Answer Writing to Score Full Marks

    Students appearing for the CBSE Class 10 Science Exam 2026 can improve their scores by following topper answer-writing strategies. Reviewing Class 10 Science topper answer sheets helps students understand how to present answers effectively and meet the CBSE marking criteria.

    Key Tips from Toppers:

    • Write answers in a clear and structured format using points or short paragraphs.

    • Use important scientific terms and keywords to match the marking scheme.

    • Draw neat and properly labelled diagrams wherever required.

    • Show step-wise solutions with formulas and units in numerical questions.

    • Keep answers neat and properly numbered for easy evaluation.

    Following these topper strategies can help students avoid common mistakes and secure better marks in the CBSE Class 10 Science board examination.

  • Feb 24, 2026, 23:36 IST

    CBSE Issues Advisory on New Question Paper Format for Class 10 Science Exam 2026

    The Central Board of Secondary Education (CBSE) will conduct the CBSE Class 10 Science Board Exam 2026 with an updated question paper pattern. The board has released an official advisory to help students understand the latest Science question paper format and important exam-writing guidelines.

    The advisory document explains the new answer book structure, types of questions, and proper method of answering questions. It is intended to help students become familiar with the latest exam pattern and avoid common mistakes during the board examinations.

    The board has also provided detailed instructions to ensure proper evaluation of answer scripts. Students appearing for the CBSE Class 10 Board Exams 2026 are advised to carefully study the official advisory to understand the new Science question paper pattern and answer-writing format.

    Check New Question Paper Pattern for CBSE Class 10 Science Exam 2026

    Important Instructions for CBSE Class 10 Students

    CBSE has issued the following important instructions for students appearing in the Class 10 Board Examinations 2026:

    Section-wise Answer Writing

    • Students must divide the answer book into three sections while writing answers.

    • Each section will correspond to a particular group of questions in the question paper.

    Write Answers in the Correct Section

    • Students must write answers only within the space identified for the respective section in the answer book.

    • Answers should be written clearly under the correct section heading.

    Do Not Mix Answers Between Sections

    • Answers belonging to one section must not be written in another section.

    No Marks for Mixed Sections

    • If answers are written in the wrong section or mixed across sections, they will not be evaluated and no marks will be awarded.

    • Such errors will not be considered even during verification or re-evaluation after the results are declared.

  • Feb 24, 2026, 18:00 IST

    CBSE Class 10 Science Exam Pattern 2025-26 (Revised)

    Science Theory Paper Structure: 

    Feature Details
    Total Marks 80 Marks
    Total Questions 39 Questions (Compulsory)
    Subject Sections Biology, Chemistry, and Physics
    Question Formats MCQs, Assertion–Reasoning, Short Answer, Long Answer, and Case-based Questions
    Difficulty Level Varying difficulty levels across all sections
  • Feb 24, 2026, 17:34 IST

    CBSE Two-Exam Policy for Board Exams 2026

    1. Exam Schedule and Participation: Class X and XII board exams start the first Tuesday after February 15. In 2026, an estimated 26.60 lakh students will take Class X exams and 20 lakh will take Class XII exams.

    2. Syllabus and Pattern: Both exams will cover the full, current syllabus without reduction or bifurcation.

    3. Subject Grouping and Exam Days: Core subjects (Science, Maths, Social Science, Hindi, English) have fixed dates. Other subjects are split: Regional and Foreign Languages are on a single day; Other Elective Subjects are offered 2-3 times for flexibility.

    4. Multiple Exam Opportunities: Some subjects (e.g., Data Science) will be conducted 2-3 times to offer flexibility and reduce student burden.

    5. Practical & Internal Assessment: Practical/Internal Assessment will be conducted only once per academic year.

    6. Result Policy: First exam results are available in DigiLocker and can be used for provisional Class XI admission. Final passing documents are issued after the second exam. The Mark Sheet will show scores from both exams (with the better mark highlighted), Practical/Internal Assessment scores, and Grades. Students failing 1-5 subjects in the first exam are in the "Improvement Category" and can reappear in the second. A Merit Certificate is issued after the second exam. Students must pass all five subjects.

  • Feb 24, 2026, 15:56 IST

    Unit-Wise Weightage for CBSE Class 10 Science 2025–26

    Unit

    Title

    Marks

    I

    Chemical Substances – Nature & Behaviour

    25

    II

    World of Living

    25

    III

    Natural Phenomena

    12

    IV

    Effects of Current

    13

    V

    Natural Resources

    5

    Total

     

    80 Marks

  • Feb 24, 2026, 14:18 IST

    CBSE Class 10 Science Exam 2026: Top 50 MCQs with Answers

    The CBSE class 10th Science exam is scheduled for 25th Feb, 2026. The important 50 MCQs are here. Students must solve all important MCQs to secure high marks in exams.

    Check: CBSE Class 10 Science Exam 2026: Top 50 MCQs with Answers

  • Feb 24, 2026, 13:56 IST

    CBSE 10th Scinece Chapter-wise Weightage for Board Exam 2026

    To provide a clear overview of your exam preparation, here is the combined table showing the chapter-wise weightage for Biology, Chemistry, and Physics for the CBSE Class 10 Science Exam 2026.

    CBSE Class 10 Science: Comprehensive Chapter-Wise Weightage

    Section Chapter Name Weightage (Marks) Total Section Marks
    Biology Life Processes 10 Marks 30 Marks
      Control & Coordination 5 Marks  
      How Do Organisms Reproduce? 5 Marks  
      Our Environment 5 Marks  
      Heredity & Evolution 5 Marks  
    Chemistry Metals & Non-metals 12 Marks 25 Marks
      Acids, Bases & Salts 7 Marks  
      Carbon & its Compounds 6 Marks  
    Physics Electricity 10 Marks 25 Marks
      Light – Reflection & Refraction 8 Marks  
      Human Eye & Colourful World 4 Marks  
      Magnetic Effects of Electric Current 3 Marks  
    GRAND TOTAL     80 Marks
  • Feb 24, 2026, 13:22 IST

    CBSE 10th Science Exam Live: CBSE Guidelines for Answer Sheets and Examination Hall

    1. Exam Day Essentials: Carry original Admit Card and stationery. No smartwatches/electronics.
    2. Reading Time (10:15 - 10:30 AM): Use 15 minutes solely for reading and planning; do not write on the answer sheet.
    3. Presentation: Ensure neat handwriting, clear headings, and bullet points.
    4. Answer Sheet: Double-check all entries (Roll Number, Subject Code) on the main and supplementary sheets.
    5. Strategy: Experts suggest attempting in order (A, B, C) but prioritize known questions first for confidence.

     

The CBSE Class 10 Science exam tomorrow is a big step, but with the new, structured paper pattern, you are well-equipped. Focus on applying your concepts, especially in Physics and for the new case-based questions. Use your final hours to quickly review high-weightage topics, practice key diagrams, and memorize essential formulas and chemical equations. Stay calm, manage your time wisely during the exam, and read every question carefully during the 15-minute reading time. Good luck!

Anisha Mishra
Anisha Mishra

Content Writer

Anisha Mishra is a mass communication professional and content strategist with a total 2.5 years of experience. She's passionate about creating clear, results-driven content—from articles to social media posts—that genuinely connects with audiences. With a proven track record of shaping compelling narratives and boosting engagement for brands like Shiksha.com, she excels in the education sector, handling CBSE, State Boards, NEET, and JEE exams, especially during crucial result seasons. Blending expertise in traditional and new digital media, Anisha constantly explores current content trends. Connect with her on LinkedIn for fresh insights into education content strategy and audience behavior, and let's make a lasting impact together

... Read More

Trending

Latest Education News