Preparing for the Bihar School Examination Board (BSEB) Class 12 Exam 2025? Then you must understand the new paper pattern introduced by the Bihar Board. Knowing the latest structure of question papers is the key to scoring well in the upcoming board exams.
In this blog, we will provide a detailed subject-wise Class 12 Bihar Board Paper Pattern 2025 for Science, Commerce, and Arts streams. Along with that, we will explain marking schemes, question types, and important exam guidelines.
Why Understanding the New Bihar Board Class 12 Exam Pattern is Important?
The Bihar Board revises its exam pattern from time to time to match NCERT standards and ensure concept-based learning. Students who are aware of the updated paper design can:
- Plan their study strategy effectively.
- Focus more on high-weightage sections.
- Improve their time management skills in the exam hall.
- Score better by attempting questions smartly.
You can also check our guide on Bihar Board Class 10 Exam Pattern 2025 if you are preparing for matriculation.
Bihar Board Class 12 Exam Pattern 2025 – Overview
- Mode of Exam: Offline (Pen & Paper)
- Total Marks per Subject: 100 Marks (Theory + Practical/Project)
- Duration: 3 Hours + 15 minutes reading time
- Types of Questions: Objective (MCQ), Short Answer, Long Answer
- Internal Choices: Available in long answer questions
- Passing Marks: Minimum 33% in each subject
Bihar Board Class 12 Science Stream Paper Pattern 2025
The Science stream includes Physics, Chemistry, Biology/Mathematics, and English. Here is the subject-wise paper structure:
1. Physics
- Theory Marks: 70
- Practical Marks: 30
- Question Types:
- 20% Objective (MCQs) – 14 Marks
- 40% Short Answer Questions – 28 Marks
- 40% Long Answer Questions – 28 Marks
2. Chemistry
- Theory Marks: 70
- Practical Marks: 30
- Question Types:
- MCQs: 20%
- Short Answer: 40%
- Long Answer: 40%
3. Biology
- Theory Marks: 70
- Practical Marks: 30
- Question Types:
- MCQs: 20%
- Short Answer: 40%
- Long Answer: 40%
4. Mathematics (Alternative to Biology)
- Total Marks: 100 (No practicals)
- Question Types:
- Objective: 30 Marks
- Short Answer: 35 Marks
- Long Answer: 35 Marks
Check our in-depth breakdown of Bihar Board Class 12 Physics Exam Pattern for more clarity.
Bihar Board Class 12 Commerce Stream Paper Pattern 2025
Commerce students focus on subjects like Accountancy, Business Studies, and Economics.
1. Accountancy
- Theory Marks: 80
- Project/Practical Marks: 20
- Structure:
- MCQs: 25% (20 Marks)
- Short Answer: 35% (28 Marks)
- Long Answer: 40% (32 Marks)
2. Business Studies
- Theory Marks: 80
- Project Work: 20
- Structure:
- Objective: 20 Marks
- Short Answer: 30 Marks
- Long Answer: 30 Marks
3. Economics
- Theory Marks: 80
- Project Work: 20
- Structure:
- Objective: 20 Marks
- Short Answer: 30 Marks
- Long Answer: 30 Marks
Read also: Bihar Board Class 12 Commerce Preparation Strategy
Bihar Board Class 12 Arts Stream Paper Pattern 2025
Arts stream includes History, Political Science, Geography, Sociology, Psychology, and Languages.
1. History
- Theory Marks: 80
- Project/Assignment: 20
- Question Types:
- Objective: 20 Marks
- Short Answer: 30 Marks
- Long Answer: 30 Marks
2. Political Science
- Theory Marks: 80
- Assignment: 20
- Structure:
- Objective: 20 Marks
- Short Answer: 30 Marks
- Long Answer: 30 Marks
3. Geography
- Theory Marks: 70
- Practical/Project: 30
- Structure:
- Objective: 20%
- Short Answer: 40%
- Long Answer: 40%
4. Sociology & Psychology
- Similar structure with Theory (80 Marks) + Assignment/Project (20 Marks).
You can also explore our detailed Bihar Board Class 12 Arts Exam Pattern Guide.
Common Features of All Bihar Board Class 12 Papers
- Objective Questions (MCQs): Compulsory, OMR sheet-based, worth 30% of marks.
- Short Answer Questions: Concept and application-based.
- Long Answer Questions: Analytical, descriptive, and explanation-based.
- Practical/Project Work: Applied in Science, Commerce, and Arts (except Mathematics & English).
- Internal Choice: Provided in long answers to reduce student stress.
Important Preparation Tips for Bihar Board Class 12 Exam 2025
- Understand NCERT & Bihar Board Books Thoroughly – Most questions come directly or indirectly from textbooks.
- Practice Previous Year Papers – Helps in understanding the trend of questions.
- Focus on Objective Questions – Since 30% weightage is from MCQs, practice OMR sheets regularly.
- Time Management – Divide 3 hours wisely among all sections.
- Revise Formulas, Theorems & Dates – Especially in Science and Arts subjects.
For a subject-specific guide, check Bihar Board Class 12 Preparation Tips.
Final Words
The Bihar Board Class 12 Paper Pattern 2025 is designed to test both knowledge and analytical skills. Whether you are from Science, Commerce, or Arts, knowing the latest exam format will help you prepare smartly and score higher.
Keep revising, practicing, and focusing on concept clarity. With proper planning, you can achieve excellent results in the upcoming Bihar Board Inter Exam 2025.
