ICSE Class 10 Science Weightage 2026 Unit and Chapter-Wise Marks Distribution
ICSE Class 10 Science Weightage 2026 is divided between Biology, Physics, and Chemistry. Check the detailed marks for each chapter and the exam pattern followed by the board. Carefully go through all the details.
ICSE Class 10 Science Weightage 2026 includes three subjects - Physics, Chemistry, and Biology. For each subject, students will have to appear for theory as well as practical exams. The theory papers will be of 80 marks and the remiaining marks will be awared based on the practical exam. The marks weightage provided here will help you to prioritize the topics and focus on performing better in board exams. Along with that, you can also check ICSE Class 10 Science Syllabus 2025-26 to check the topics in detail. You can go through the article in detail to understand blueprint of the question paper and weightage of ICSE Class 10 Science topics.
ICSE Class 10 Science Weightage 2026 Theory Exam - Unit Wise
ICSE Class 10 Science can be checked here for all three parts, including Physics, Chemistry and Biology. You can check out the approximate weightage of marks provided based on the ICSE Class 10 Science Previous Year Question Papers . Check the marks for each chapter and prepare the topics accordingly.
ICSE Class 10 Physics Marks Weightage 2026
Topic | Key Concepts | Expected Weightage (Marks) |
Force, Work, Power, and Energy | Laws of motion, types of forces, concepts of work, power, and energy, conservation of energy | 16-19 Marks |
Light | Reflection, refraction, lenses, optical instruments | 20-25 Marks |
Sound | Nature of sound waves, characteristics, resonance, musical instruments | 11-18 Marks |
Electricity and Magnetism | Electric circuits, Ohm’s law, magnetic fields, electromagnetism, electromagnetic induction | 20-21 Marks |
Heat | Thermal expansion, temperature scales, specific heat capacity, latent heat | 14-18 Marks |
Modern Physics | Atomic structure, radioactivity, basic concepts of fission and fusion, applications of radioactivity | 7-11 Marks |
ICSE Class 10 Chemistry Marks Weightage 2026
Chapter Name | Weightage | |
Chapter 1: Periodic Properties and variations of Properties – Physical and Chemical | 10 marks | |
Chapter 2: Chemical Bonding | 8 marks | |
Chapter 3: Study of Acids, Bases and Salts | 12 marks | |
Chapter 4: Analytical Chemistry | 5 marks | |
Chapter 5: Mole Concept and Stoichiometry | 12 marks | |
Chapter 6: Electrolysis | 8 marks | |
Chapter 7: Metallurgy | 10 marks | |
Chapter 8: Study of Compounds | 20 marks | |
Chapter 9: Organic Chemistry | 15 marks | |
ICSE Class 10 Biology Marks Weightage 2026
Unit | Chapter Names | Section A Weightage | Section B Weightage | Total Weightage |
Unit 1: Basic Biology | Structure of Chromosomes, Cell Division | 2 | 9 | 11 marks |
Genetics | 2 | 11 | 13 marks | |
Unit 2: Plant Physiology | Absorption by Roots | 3 | 1 | 4 marks |
Transpiration | 1 | 0 | 1 marks | |
Photosynthesis | 3 | 10 | 13 marks | |
Chemical Co-ordination of Plants | 1 | 3 | 4 marks | |
Unit 3: Human Anatomy & Physiology | The Circulatory System | 3 | 5 | 8 marks |
The Excretory System | 5 | 0 | 5 marks | |
The Nervous System | 11 | 5 | 16 marks | |
Sense Organs | 5 | 4 | 9 marks | |
The Endocrine System | 2 | 0 | 2 marks | |
The Reproduction System | 2 | 6 | 8 marks | |
Unit 4 | Human Evolution | 1 | 5 | 6 marks |
Unit 5 | Population | 1 | 0 | 1 mark |
Unit 6 | Pollution | 3 | 5 | 8 marks |
Also Check ICSE Class 10 Science Sample Papers 2025-26
ICSE Class 10 Science Weightage 2026 Practical Exam
For all three subjects including Physics, Chemistry, and Biology, the board will conduct a practical exam of 20 marks. The students will have to submit the practical file, conduct the given experiment and appear for viva-voce.
ICSE Class 10 Science Question Paper Blueprint 2026
Go through the exam pattern mentioned here in detail for Physics, Chemistry and Biology. Prepare the questions accordingly and focus on performing best in board exams.
ICSE Class 10 Physics Question Paper Pattern 2026
The following table includes the number of questions, marks per questions and total marks for each section in Physics.
Type of Questions | Number of Questions | Marks |
Question 1 | 15 questions | 15 × 1 = 15 marks |
Question 2 | 6 + 1 questions | (6 × 2 = 12) + (1 × 3 = 3) = 15 marks |
Question 3 | 5 questions | 5 × 2 = 10 marks |
Question 4 | 3 + 1 questions | (3 × 3 = 9) + (1 × 4 = 4) = 13 marks |
Question 5 | 2 + 1 questions | (2 × 3 = 6) + (1 × 4 = 4) = 10 marks |
Question 6 | 1 + 1 questions | (1 × 3 = 3) + (1 × 4 = 4) = 7 marks |
Question 7 | 2 + 1 questions | (2 × 3 = 6) + (1 × 4 = 4) = 10 marks |
Question 8 | 2 + 1 questions | (2 × 3 = 6) + (1 × 4 = 4) = 10 marks |
Question 9 | 2 + 1 questions | (2 × 3 = 6) + (1 × 4 = 4) = 10 marks |
ICSE Class 10 Chemistry Question Paper Pattern 2026
Check the table to know the total questions asked in the exam, marks allotted to each section, and types of questions asked in the exam.
Question Type | Weightage per Question | Marks |
Multiple-choice questions (MCQs) | 1 marks | 1 x 15 =15 Marks |
Short Answer Type Question | 5 marks | 5 x 5 = 25 Marks |
Mix of Short and Long Answer Type questions (Any 4 questions to be attempted) | 10 marks | 10 x 4=40 Marks |
Total | 80 Marks | |
ICSE Class 10 Biology Question Paper Pattern 2026
The following table presents the question paper pattern for Biology. Check the details.
Section | Type of Questions | Marks |
Section A | Short-answer questions | 40 |
Section B | Long-answer questions with choices | 40 |
Keep visiting the page to get the latest updates about the ICSE Class 10 Science Weightage 2026.