Bihar Board Exam Pattern 2027: Marking Scheme, Question Paper Pattern and Total Marks

The Bihar Board 2027 exams are conducted by the Bihar School Examination Board (BSEB) in offline pen-paper mode for Class 10 (Matric) and Class 12 (Intermediate) students across Bihar. Each subject paper carries 100 marks and a duration of 3 hours 15 minutes, with a total of 500 marks across five compulsory subjects per stream. The Bihar Board 2027 exam pattern follows a hybrid structure that combines objective-type (MCQ) and subjective questions, with no negative marking in any section.

• Bihar Board 2027 is an offline pen-paper exam held in two shifts: 9:30 AM–12:45 PM and 2:00 PM–5:15 PM.
• Each paper carries 100 marks with a 50-50 split: 50 marks for MCQ and 50 marks for subjective questions.
• For 100-mark subjects (no practical), you attempt 50 out of 60 MCQs; for practical subjects (70-mark theory), you attempt 35 out of 42 MCQs.
• No negative marking applies to any question type — wrong answers and unattempted questions both carry zero marks.
• Class 12 Science subjects (Physics, Chemistry, Biology) have 70 marks theory and 30 marks practical; Mathematics carries 100 marks theory.
• Class 10 Science and Social Science carry 80 marks theory and 20 marks for practical or internal assessment.
• Students must score at least 30% per subject and 33% in aggregate (150 out of 500) to pass Bihar Board 2027.

Bihar Board Exam Pattern 2027: Overview

The Bihar Board 2027 exam pattern is set by the Bihar School Examination Board (BSEB) and applies uniformly to Matric (Class 10) and Intermediate (Class 12) annual examinations. The pattern follows a consistent hybrid format — every paper combines a compulsory objective section (OMR-based MCQs) with a subjective section (short and long written answers). Students can expect the 2027 pattern to continue the 50-50 MCQ-subjective split established in recent years, pending any official revision on biharboardonline.bihar.gov.in.

Bihar Board Exam Pattern 2027: Important Dates

Bihar Board 2027 follows a calendar that runs from mid-2026 to April 2027. Class 10 theory exams are expected from February 17 to 25, 2027, while Class 12 theory exams are expected in early February 2027. Practical exams for both classes are expected in January 2027. Official date sheets will be released by BSEB on biharboardonline.bihar.gov.in.

Source: Bihar School Examination Board (BSEB) — Official Website

Bihar Board 2027: Detailed Exam Pattern

The Bihar Board 2027 detailed exam pattern is structured differently for Class 10 and Class 12, and also varies based on whether a subject includes a practical component. All theory papers follow the same 50-50 split between the objective and subjective sections. Students receive both an OMR answer sheet (for MCQs) and a written answer booklet (for subjective questions) in every exam.

Bihar Board Class 12 Exam Pattern 2027 — Non-Practical Subjects (100-Mark Theory)

Subjects without a practical component carry a full 100 marks in theory. The objective section has 60 MCQs — you attempt 50 for 50 marks. The subjective section tests analytical and writing skills through short and long answers for 50 marks.

Note: Students must attempt 50 out of 60 MCQs in Section A. In Section B, attempt 15 out of 25 short-answer questions. In Section C, attempt 5 out of 8 long-answer questions.

Bihar Board Class 12 Exam Pattern 2027 — Practical Subjects (70 Marks Theory + 30 Marks Practical)

Science subjects such as Physics, Chemistry, Biology, and Computer Science carry 70 marks in theory and 30 marks in the practical exam. The theory paper follows the same 50-50 split within its 70-mark structure. Practical exams are conducted separately, typically in January.

Bihar Board Class 10 Exam Pattern 2027 — Theory-Only Subjects (100-Mark Papers)

Class 10 papers such as Hindi, English, Mathematics, and Sanskrit are fully theory-based. Section A has 100 MCQs, but you attempt only 50. The remaining 50 marks come from short and long written answers.

Bihar Board Class 10 Exam Pattern 2027 — Science and Social Science (80 Marks Theory + 20 Marks Practical / Internal Assessment)

Science and Social Science carry 80 marks for the theory paper and 20 marks for practical work or internal assessment. The theory paper maintains the same three-section structure but within 80 marks.

Bihar Board Marking Scheme 2027

The Bihar Board 2027 marking scheme is straightforward and student-friendly. There is no negative marking in any section of the Bihar Board exam — this applies to both MCQs and subjective questions. Subjective answers use step-wise marking, meaning you earn partial credit even if your final answer is incorrect.

No negative marking applies to any section of Bihar Board 2027 — attempt every MCQ, short answer, and long answer to maximize your score.

Bihar Board Passing Marks 2027

You must meet both the per-subject and aggregate passing thresholds to be declared passed. If you appear for an optional subject, its marks can replace the marks of the lowest-scoring compulsory subject in the final calculation.

Bihar Board Subject-Wise Exam Pattern 2027

The Bihar Board subject-wise exam pattern for 2027 varies by stream in Class 12, while Class 10 follows a uniform structure across all subjects. Each subject carries 100 marks in total, with theory marks ranging from 70 to 100 depending on whether the subject has a practical component.

Bihar Board Class 12 Science Stream — Subject-Wise Pattern

Bihar Board Class 12 Commerce Stream — Subject-Wise Pattern

Bihar Board Class 12 Arts Stream — Subject-Wise Pattern

Bihar Board Class 10 (Matric) — Subject-Wise Pattern

Bihar Board Question Types 2027

Bihar Board 2027 papers include three distinct question types in the theory exam, plus a separate practical component for select subjects. Knowing the exact format of each section helps you allocate your 3 hours 15 minutes efficiently and avoid losing marks through poor time management.

• MCQs (Section A): You fill a bubble on the OMR sheet using a black or blue ball-point pen. Do not overwrite or use correction fluid — the OMR scanner cannot read corrected bubbles. Bihar Board does not use a virtual or separate pencil-fill OMR; responses go directly on the main answer sheet.
• Short Answer Questions (Section B): Aim for 30–50 words per answer. Use subject-specific keywords to earn full marks. Avoid lengthy explanations — the marker awards 2 marks based on key points, not word count.
• Long Answer Questions (Section C): Bihar Board uses step-wise marking for long answers. In Mathematics, every correct step carries marks even if the final answer is wrong. In Science, labeled diagrams carry separate marks — always include them where relevant.
• Competency-Based Questions (Class 10): BSEB introduced competency-based questions in Class 10 in 2025, testing application and analysis rather than rote recall. These appear within the existing sections and do not change the overall marks or format.
• Practical Exams: Conducted separately in January 2027 before the theory exams begin. Practical marks count toward the final result and toward the passing threshold. Missing the practical exam can result in failing the subject.

Bihar Board Exam Pattern: Changes in 2027 vs Previous Year

The Bihar Board 2027 exam pattern is expected to follow the structure established in 2026. No major official changes to the 2027 pattern have been announced by BSEB as of July 2026. The table below compares the 2026 (confirmed) and 2027 (expected) patterns. Any revision will be published on biharboardonline.bihar.gov.in via an official circular.

The Bihar Board exam pattern has been stable across consecutive years — if BSEB revises the 2027 pattern, the change will be officially notified well before the registration deadline.

Source: Bihar School Examination Board (BSEB) — Official Notifications

How to Prepare Based on Bihar Board Exam Pattern

Your preparation for Bihar Board 2027 should map directly to the exam structure. The 50-50 MCQ-subjective split means equal time and effort must go into both formats — students who only practice MCQs or only write long answers consistently underperform in one half of every paper.

1. Practice MCQs from Bihar Board model papers: BSEB releases official model question papers for both Class 10 and Class 12. Solving these is the most direct preparation for Section A. The MCQ pool tends to draw from a predictable set of topics — identify these repeat areas and focus there first.
2. Attempt all MCQs without skipping: Bihar Board has no negative marking. Every unattempted MCQ is a guaranteed zero, while a guess gives you a 25% chance of earning +1 mark. In a 50-MCQ section, even 10 educated guesses can add several marks to your total. Never leave an MCQ blank.
3. Build keyword-based answers for Section B: Short-answer questions carry 2 marks and reward precision over length. Study the key terms and definitions for every chapter, and practice writing 2–3 sentence answers that include the subject’s standard terminology. These answers are marked by subject teachers who look for keywords.
4. Use step-wise writing for Section C: Long-answer questions (4–5 marks) in Bihar Board follow step-wise marking. In Mathematics, write every step of a calculation, even obvious ones — each carries marks. In Science and Social Science, structure your answer with a brief introduction, main points, and a conclusion.
5. Prepare practicals before December 2026: Practical exams for Bihar Board 2027 are expected in January 2027. Complete all required experiments, maintain your lab notebook, and revise the theory behind each experiment for the viva. Practical marks directly contribute to your subject total and to the passing threshold.
6. Plan your reading time (15 minutes): Bihar Board gives 15 minutes to read the question paper before the 3-hour writing window begins. Use this time to scan all three sections, identify which optional MCQs, short answers, and long answers you will attempt, and circle them. Deciding during the exam wastes writing time.
7. Focus on choice strategy: You never attempt every question in a Bihar Board paper. In Section A you skip 10 MCQs (or 7 for practical subjects), in Section B you skip 10–15 short-answer questions, and in Section C you skip 3–4 long-answer questions. Know your strongest topics per section before exam day so your choices are made from preparation, not panic.