Bihar Board Class 10 Science Weightage 2026 Unit and Chapter-Wise Mark Distribution

Pratha Shishodia

Updated On: January 09, 2026 02:47 PM

Bihar Board Class 10 Science Weightage 2026 is provided here in detail. Check out the marks weightage for all chapters and focus more on the chapters with the maximum marks. 

Bihar Board Class 10 Science Weightage 2026

Bihar Board Class 10 Science Weightage 2026 Unit and Chapter-Wise Mark Distribution gives students an idea about the most important chapters. As per the marks allocation, students can prepare a schedule and complete the important chapters first. In the exam, 80 objective questions, 24 short questions, and 6 long questions will be asked. There will be internal choices available in each section of the question paper. After completing the syllabus, students can go through the Bihar Board Class 10 Science Previous Year Question Papers and get familiar with the variety of questions and marks allocation for different topics. This guides students to prepare the syllabus well and focus on performing their best in the exam. For more information about the Bihar Board Class 10 Science Weightage 2026 Unit and Chapter-Wise Mark Distribution, check details here.

Bihar Board Class 10 Science Weightage 2026

Go through the table below to find out the names of chapters included in the syllabus and the marks allotted to them. Accordingly, prepare a study schedule and complete all the chapters in advance.

Chapter Name

Weightage

Reflection of Light

27

Refraction of Light

Human Eye and the Colorful World

Electricity

Magnetic effect of electric current

Sources of Energy

Chemical Reactions and Equations

26

Acids, Bases, and Salts

Metals and Non-metals

Carbon and its Compounds

Periodic Classification of Element

Our Environment

Life Processes

27

Respiratory

Transportation

Excretion

Control and Coordination

Reproduction

Heredity and Evolution

Our Environment

Total

80

Also Read - Bihar Board Class 10 Science Syllabus 2025-26

Bihar Board Class 10 Science Question Paper Blueprint 2026

When preparing for the exam, students should carefully follow the points given below to check the Bihar Board Class 10 Science Exam Pattern 2025-26 :

  • The exam will be conducted for 80 marks and students will get 2 hours and 45 minutes to solve the questions.
  • The question paper will be divided into two sections and it will consist of 110 questions in total.
  • Section A will include 80 objective-type questions, out of which 40 questions are to be attempted for 1 mark each. If all the questions are answered, the marks will be given for the first 40 questions.
  • In Section B, there will be different types of questions, including short answer type questions and long answer type questions.
    • 8 short questions each from Physics, Chemistry and Biology will be asked. Each question carries 2 marks. Four questions from each part will have to be answered.
    • In addition, there will be 6 Long Answer type questions carrying two 5 marks each. Out of the two questions each from Physics, Chemistry, and Biology, students will have to answer one question each from all three parts.

Keep visiting the page for the latest information about the Bihar Board Class 10 Science Weightage 2026 Unit and Chapter-Wise Mark Distribution.

Are you feeling lost and unsure about what career path to take after completing 12th standard?

Say goodbye to confusion and hello to a bright future!

news_cta
/articles/bihar-board-class-10-science-weightage-2026-brd/

Do you have a question? Ask us.

  • Typical response between 24-48 hours

  • Get personalized response

  • Free of Cost

  • Access to community

Recent Articles

Recent News

Subscribe to CollegeDekho News

By proceeding ahead you expressly agree to the CollegeDekho terms of use and privacy policy