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Bihar Board Class 10 Science Syllabus 2025-26 will be released very soon on the official website of the Bihar School Examination Board. The syllabus of BSEB Class 10 Science is divided into 5 main units. These units together contain a total of 16 chapters. The theory paper for the science subject will be conducted only for 60 marks. 20 marks will be allotted for the Practical Examination and the other 20 marks will be provided for the internal assessment. The students will be awarded marks based on VIVA and the project file that they have made according to the instructions given by the teachers. The most important chapters for the Science syllabus are Chemical Compound and The Living World.
Bihar Board Class 10 Exams 2026 will be conducted in February or March 2026. The dates regarding the practical exams will be communicated by the school authorities. Theory examination dates will be uploaded on the official website of the Bihar School Examination Board in December 2025. Students can download the previous year's syllabus from the direct PDF link given below. We have also shared the information about the exam pattern as per the previous year's board exams in the article given below. Check out more information about the Bihar Board Class 10 Science Syllabus 2025-26 here:
Bihar Board Class 10 Science Syllabus 2025-26 PDF
The BSEB Class 10 Physics syllabus is available on the official website of the Bihar School Examination Board (BSEB). Students can click the link below to download the PDF of the syllabus.
How to Download Bihar Board Class 10 Science Syllabus 2025-26?
You can download Bihar Board Class 10 Science Syllabus 2025-26 by following the procedure given below:
- Step 1: Students need to first visit the official website of the Bihar School Examination Board at secondary.biharboardonline.com
- Step 2: Click on the Syllabus option present on the menu bar on the homepage.
- Step 3: A drop-down menu will appear, select “Class 10th”
- Step 4: The list of PDFs will open on the screen.
- Step 5: Click on the Science option to download the syllabus and prepare accordingly.
Bihar Board Class 10 Science Syllabus 2025-26
Students can check out the major information regarding the units that will be coming in the Bihar Board Class 10 Science Syllabus 2025-26 as per the previous year from the table given below:
Bihar Board Class 10 Science Syllabus 2026
The BSEB Class 10th Biology syllabus consists of a total of 6 chapters. A total of 28 marks have been assigned to the BSEB Class 10th Biology Syllabus. Students can check the chapter names and topics of the Bihar School Examination Board class 10th Biology syllabus given below:Name of the Chapter | Topics Included |
Life Processes | What are Life Processes? |
Nutrition | |
Respiration | |
Transportation | |
Excretion | |
Control and Coordination | Animals - Nervous System |
Coordination in Plants | |
Hormones in Animals | |
How do Organisms Reproduce? | Do organisms create Exact copies of Themselves? |
Modes of Reproduction used by single organisms | |
Sexual Reproduction | |
Heredity and Evolution | Accumulation of Variation during reproduction |
Heredity | |
Evolution | |
Speciation | |
Evolution and Classification | |
Evolution should not be equated with ‘Progress’ | |
Our Environment | What Happens when we add our waste to the environment? |
Ecosystem - What are its components? | |
How do our activities affect the environment? | |
Management of Natural Resources | Why do we need to manage our resources? |
Forests and Wildlife | |
Water For All | |
Coal and Petroleum | |
An Overview of Natural Resource Management |
BSEB Class 10 Chemistry Syllabus 2026
The BSEB Chemistry syllabus for 2025–26 is designed to help students develop a strong understanding of key scientific concepts. It covers all essential topics in a structured and comprehensive manner. Below is the chapter-wise list of topics included in the Class 10 BSEB Chemistry syllabus.| Name of Chapter | Topics Included |
| Chapter 1 “Chemical Reactions and Equations” | Types of chemical reactions, characteristics, equations sums |
| Chapter 2 “Acids, Bases and Salt” | Properties of Acids and Bases, Reaction of Acids and Bases, Indicators, Salts, Chemicals derived from Salts, and Salt crystals |
| Chapter 3 “Metals and Non-Metals | Physical and Chemical Properties of Metals and Non-Metals, Electronic Configuration of Metals and Non-Metals, Metallurgy, Metalloids, etc |
| Chapter 4 “Carbon and Its Compounds” | Covalent bonding, Chemical Properties, Saturated and Unsaturated Carbon Compounds, Isomers, Branches, Chains, and Rings. |
| Chapter 5 “Periodic Classification of Elements” | Periodic table, Element classifications, Mendeleev’s Periodic Table, Modern Periodic Table, and position of elements. |
Bihar Board Class 10 Physics Syllabus 2026
The key topics covered in the Bihar Class 10 Physics syllabus are listed below. Students preparing for the exam are encouraged to review each topic thoroughly to ensure they don’t miss any important concepts.Name of Chapter | Topics Included |
Light: Reflection and Refraction | Laws of Reflection, Image formation by Plane and Spherical Mirrors, Refraction of Light, Lenses |
Human Eye | Structure and Functioning of the Human Eye, Functioning, Defects of Vision, Dispersion of Light, Scattering |
Electricity | Electric Current, Ohm’s Law, Seris and Parallel Circuit, Heating Effect of Electric Current |
Magnetic Effects of Electric Current | Magnetic Field, Electromagnetism, Electric Motor, Electromagnetic Induction |
Bihar Board Class 10 Science Syllabus 2025-26- Marking Scheme
The Bihar Board Class 10 Science examination holds a total weightage of 100 marks. The marks are distributed across different components as follows:- Science Theory Paper: The 60-mark paper is dedicated to theory work. This section of the examination assesses the theoretical knowledge and comprehension of scientific topics by the students. It covers various topics and concepts from the Science syllabus, and students are required to provide written responses to questions based on these topics.
- Science Practicals: Practical evaluations are worth 20 marks. This section evaluates students' practical knowledge and their capacity to use concepts from science in practical situations. Students are required to complete practical activities or experiments, and their performance is assessed depending on how well they can apply practical knowledge and analyze experimental data.
- Internal Assessment: 20 marks are added to the total score in the Science exam for internal assessments. This section is dedicated to assessing how well students have understood the subject and have progressed over the academic year. It may include components such as class participation, assignments, projects, or any other form of assessment conducted within the school.
The way that marks are distributed for the Bihar Board Class 10 Exam in Science makes sure that students' theoretical knowledge, practical skills, and overall performance in the subject are all thoroughly assessed. It allows students to showcase their understanding of scientific concepts through both theoretical and practical aspects, while the internal assessment component considers their continuous progress and engagement in the subject.
Bihar Board Class 10 Science Syllabus 2025-26- Preparation Tips
Students appearing for the Bihar Board Class 10 Science exam should follow the below tips to score good marks:- Examine the comprehensive Bihar Board 10th Science Syllabus and schedule your study according to the marks weightage.
- Select the topics that carry the most weightage first, and begin studying for them well in advance of your final exams.
- To practice more and more questions, read books other than the required textbooks.
- Read the chapters thoroughly from the prescribed textbooks and prepare notes for each chapter.
- Work through previous years' question papers and Bihar Board 10th Science Sample Papers to get an idea of the exam's pattern and difficulty level.
- Solving practice papers under time-pressure will also help students in increasing their speed and accuracy.
Bihar Board Class 10 Science Syllabus 2025-26 will help the students to be familiar with the topics coming in the board exams. Make sure to start your preparations as soon as possible to achieve a good score.
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FAQs
Students will need at least 6 months to prepare for the BSEB Class 10 Science Syllabus 2025-26. They also have to take at least 2 months for revision so that they can check whether or not they are fully prepared for the board exam.
To revise the BSEB Class 10 Science Syllabus 2025-26, you can focus on downloading the sample papers available on the internet and also check out the previous year's question papers.
The least important chapter in the Bihar Board Class 10 Science Syllabus 2025-26 is Light and Communication. The total weightage allotted for this chapter is 2 marks. A short question can be asked from the chapter so you must prepare accordingly.
The most important chapters in the Bihar Board Class 10 Science Syllabus 2025-26 are Chemical Compound and The Living World. 20 marks each are allocated to both of these chapters.
BSEB 10th Science Syllabus 2024-25 is very important for the students because it will help them to know more about the topics that are included in each and every chapter.
There are no major changes expected in the BSEB 10th Science Syllabus 2025-26. Students can consider the previous year's syllabus from the details mentioned above and start their preparations accordingly.
Bihar Board Class 10 Science Syllabus 2024-25 is not yet released. Students will be able to download the syllabus in PDF format by visiting the official website at secondary.biharboardonline.com.
Five chapters are included in the Bihar Board Class 10 Science Syllabus 2025-26. Students must allocate enough time for all these chapters and prepare accordingly for the board exams.
Bihar Board Class 10 Science Syllabus 2025-26 is listed for 60 marks. The theory paper for the science subject will be conducted only for 60 marks and 40 marks will be allotted for practical and internal assessment.
Bihar Board Class 10 Science Syllabus 2025-26 will be listed on the official website of the Bihar School Examination Board and it can be downloaded by clicking on the syllabus option present on the menu bar.
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