Exam On - 17 Feb '26 - 11 Mar '26
Students can check here the CBSE Class 10 Science chapters, which will help them, score high in the board exams. Check CBSE Class 10 Science scoring chapters here for Physics, Chemistry and Biology. Also, check out the CBSE Class 10 Science marking scheme and more…
CBSE Class 10 Science: Most Scoring Chapters – The Central Board of Secondary Education (CBSE) will conduct the CBSE Class 10 board exams 2026 between February 17 and March 11, 2026 in pen and paper format. The CBSE 10th Science exam 2026 is scheduled on February 25, 2026.
Students preparing for the CBSE 10th Science exam 2026 must go through the CBSE Class 10 Syllabus 2026 for Science. This article shares the most scoring chapters in CBSE 10th Science subject. Students can check out the distribution of marks to various Science chapters (Physics, Chemistry and Biology) and plan a preparation strategy on finishing the chapters with high weightage first. However, they must remember that to ace the exams, they must study all the topics and chapters mentioned in the CBSE Class 10 Science syllabus.
Also read: Check detailed Phase 1 CBSE Class 10 exam dates 2026
CBSE Class 10 Science Marking Scheme 2026
Students can check the marking scheme followed in CBSE Class 10 Science exam 2026 in the table below.
| Section A: Objective-type Questions (20 Marks)
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| Section B: Short-Answer-Type Questions-I (12 Marks)
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| Section C: Short-Answer-Type Questions-II (21 Marks)
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| Section D: Long-Answer-Type Questions (15 Marks)
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| Section E: Source-Based/Case-Based Questions (12 Marks)
|
Also read: CBSE Class 10 exam pattern 2026
CBSE Class 10 Science: Most Scoring Chapters
For CBSE Class 10 Science, the most scoring chapters, based on high weightage (approx.25+) marks each for Chem/Bio) and direct questioning, are Life Processes, Metals and Non-metals, Light - Reflection and Refraction, and Electricity. Focusing on these, along with Acid, Bases & Salts and Magnetic Effects, ensures maximum marks efficiently.
Given below are the highest-scoring chapters in CBSE Class 10 Science.
Key Scoring Chapters (Unit-wise Weightage):
Unit 1: Chemical Substances-Nature and Behaviour (approx 25 Marks)
- Metals and Non-metals: High scoring due to direct, factual questions.
- Acids, Bases and Salts: Focus on pH, common salt, and chemical formulas.
- Chemical Reactions and Equations: Focus on balancing and types of reactions.
Unit 2: World of Living (approx 25 Marks)
- Life Processes: The most important, high-weightage chapter; focus on diagrams (nutrition, respiration, excretion).
- Control and Coordination / How do Organisms Reproduce: Important for diagrams and processes.
Unit 3: Natural Phenomena (approx 12 Marks)
- Light – Reflection and Refraction: High-weightage, numerical-heavy, and key ray diagrams.
Unit 4: Effects of Current (approx 13 Marks)
- Electricity: Focus on Ohm's law, numerical problems, and circuit diagrams.
- Magnetic Effects of Electric Current: Important for understanding motors/generators and magnetic field lines.
CBSE Class 10 Science: Most Scoring Chapters: Preparation Tips
- Prioritize Diagrams: Life Processes and Light chapters heavily favor diagram-based questions.
- Chemistry Equations: Practice balancing and the reactivity series.
- Numerical Practice: Focus on Electricity and Light numericals.
- NCERT Exemplar: Solve to tackle higher-order thinking skills (HOTS) questions.
- Do not skip solving CBSE 10th Sample papers and previous years' ques papers
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Anything you would want to ask experts?Answered a week ago
To participate in JCECE nursing counselling, a candidate must submit all the documents which are mentioned in the official prospectus. Class 10th documents are mandatory at the time of document verification. The applicants are advised to arrange for the documents before proceeding for admission form
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Beginner-Level 5
Answered 3 weeks ago
The exam paper consists of four section which includes Section A, Section B, Section C and Section D. The exam is of 80 marks and each section consists of 20 marks.Each section consists of the following question.
It contains 1marks mcqs/assertion-reason, 2marks very short answer, 3marks short answ
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Contributor-Level 6
I don't have Class 10th documents, can I apply for JCECE counselling?