Bihar Board BSEB Answer Key 2026 for Class 10th and 12th

The Bihar School Examination Board (BSEB) conducts the annual Secondary (Class 10th) and Intermediate (Class 12th) examinations for students across Bihar. The BSEB Answer Key 2026 is released after the completion of board examinations to help students cross-verify their responses and estimate their probable scores. This is not a recruitment exam but an educational assessment conducted by the Bihar Board for lakhs of students appearing for their board examinations. Students can download subject-wise answer keys from the official BSEB website and raise objections if they find discrepancies. The final answer key is published after considering valid objections, and results are declared based on the revised keys.

Important Dates

Vacancy Breakdown

Not Applicable - This is a board examination for students, not a recruitment process.

Eligibility Details

Educational Qualification

• For Class 10th Exam: Students must be registered with Bihar Board for Class 10th/Matric examination for the academic year 2025-26
• For Class 12th Exam: Students must be registered with Bihar Board for Class 12th/Intermediate examination for the academic year 2025-26
• Both regular and private/compartment candidates are eligible to appear

Age Limit

Typical/Indicative Age Range for Board Examinees:

Nationality

• Indian nationals who are registered students with Bihar School Examination Board
• Students from Bihar domicile get preference for regular admissions, but answer key is applicable to all registered examinees

Application Process

Note: The answer key download process is separate from the examination registration process.

Steps to Download BSEB Answer Key 2026:

1. Visit the official Bihar Board website at biharboardonline.bihar.gov.in or biharboardonline.com
2. Navigate to the 'Latest Notifications' or 'Answer Key' section on the homepage
3. Click on the relevant link - "BSEB Class 10th Answer Key 2026" or "BSEB Class 12th Answer Key 2026"
4. Select your subject from the dropdown menu or subject list provided
5. Download the PDF file containing question-wise answers and solutions
6. Save the PDF for future reference and score estimation
7. To raise objections, click on the 'Raise Objection' link (if available) within the stipulated timeframe
8. Fill the objection form with question number, your answer, and supporting documents/reference materials
9. Pay the objection fee (if applicable) through the online payment gateway
10. Submit the form and save the acknowledgment receipt

Objection Fee Structure (Typical/Indicative)

Selection Process

Note: This is not a recruitment selection but an examination evaluation process.

1. Written Examination: Students appear for theory and practical examinations in their respective subjects as per the BSEB curriculum and syllabus

1. Answer Script Evaluation: Trained evaluators and subject experts check answer sheets following the official marking scheme provided by BSEB

1. Provisional Answer Key Release: BSEB releases subject-wise provisional answer keys based on the official marking scheme prepared by subject experts

1. Objection Review Process: Expert committees review all objections raised by students with supporting documents and academic references

1. Final Answer Key Publication: After accepting valid objections, BSEB publishes the final answer key which becomes the basis for result preparation

1. Result Compilation: Marks are calculated based on the final answer key, and results are compiled with grade allocation as per BSEB marking scheme

1. Result Declaration: Final results are declared on the official BSEB website with marks, grades, and pass/fail status for each student

Examination Pattern

Class 10th Exam Pattern (Typical/Indicative)

Class 12th Exam Pattern (Typical/Indicative)

Negative Marking: No negative marking in Bihar Board examinations. Partial marking is awarded for step-wise answers in mathematics and science subjects as per the detailed marking scheme.

Syllabus Coverage

Class 10th Syllabus (Key Subjects)

Mathematics

• Real Numbers and Number Systems
• Polynomials and Algebraic Expressions
• Linear Equations in Two Variables
• Quadratic Equations
• Arithmetic Progression
• Coordinate Geometry
• Triangles and Similarity
• Trigonometry and Heights & Distances
• Circles and Tangents
• Areas Related to Circles
• Surface Areas and Volumes
• Statistics and Probability

Science

• Chemical Reactions and Equations
• Acids, Bases and Salts
• Metals and Non-metals
• Carbon and its Compounds
• Periodic Classification of Elements
• Reflection and Refraction of Light
• Human Eye and Colourful World
• Electricity and Electric Current
• Magnetic Effects of Current
• Sources of Energy
• Life Processes
• Control and Coordination
• Heredity and Evolution
• Our Environment and Ecosystem

Social Science

• History: Nationalism in Europe, Nationalist Movement in Indo-China, Indian Nationalism, Industrialization, Urbanization, Print Culture
• Geography: Resources and Development, Forest and Wildlife, Water Resources, Agriculture, Minerals and Energy, Manufacturing Industries, Transport and Communication
• Political Science: Power Sharing, Federalism, Democracy and Diversity, Gender and Politics, Popular Struggles, Political Parties, Outcomes of Democracy
• Economics: Development, Sectors of Indian Economy, Money and Credit, Globalization

Class 12th Syllabus (Subject-wise Examples)

Physics (Science Stream)

• Electrostatics and Current Electricity
• Magnetic Effects and Magnetism
• Electromagnetic Induction and Alternating Current
• Electromagnetic Waves
• Optics: Ray Optics and Wave Optics
• Dual Nature of Matter and Radiation
• Atoms and Nuclei
• Semiconductor Electronics
• Communication Systems

Chemistry (Science Stream)

• Solid State and Solutions
• Electrochemistry
• Chemical Kinetics
• Surface Chemistry
• General Principles of Metallurgy
• p, d and f Block Elements
• Coordination Compounds
• Haloalkanes and Haloarenes
• Alcohols, Phenols and Ethers
• Aldehydes, Ketones and Carboxylic Acids
• Amines and Biomolecules
• Polymers and Chemistry in Everyday Life

Mathematics (Science/Commerce Stream)

• Relations and Functions
• Inverse Trigonometric Functions
• Matrices and Determinants
• Continuity and Differentiability
• Applications of Derivatives
• Integrals and Applications of Integrals
• Differential Equations
• Vectors and Three Dimensional Geometry
• Linear Programming
• Probability

Accountancy (Commerce Stream)

• Accounting for Partnership Firms
• Admission, Retirement and Death of Partners
• Dissolution of Partnership
• Accounting for Share Capital
• Issue and Redemption of Debentures
• Financial Statements of Companies
• Cash Flow Statement
• Ratio Analysis and Comparative Statements

Note: Complete detailed syllabus is available on the official BSEB website for all subjects and streams.

Salary Details

Not Applicable - This is a board examination for students, not a recruitment process with salary structure.

However, for BSEB employees and evaluators (Typical/Indicative):

Students qualifying Class 10th and 12th become eligible for higher education and subsequent government job opportunities where salary structures apply.

For students appearing in Bihar Board examinations, successful completion of Class 10th opens doors to Intermediate education, vocational courses, and ITI programs. Passing Class 12th enables admission to undergraduate programs (B.A., B.Sc., B.Com., Engineering, Medical, Law etc.), competitive exam preparation (UPSC, SSC, Banking, Railways), and direct recruitment to government posts requiring 12th qualification. Higher marks improve chances for merit-based scholarships and admission to premier institutions.

BSEB releases admit cards for Class 10th and 12th examinations approximately 7-10 days before the commencement of board exams. Students can download their admit cards from the official Bihar Board website by logging in with their registration number and date of birth. The admit card contains essential details including exam center, roll number, exam schedule, photograph, and important instructions. Students must carry the admit card along with a valid photo ID to the examination center.

Bihar Board typically declares Class 10th and 12th results within 45-60 days after the completion of examinations, usually in March-April. Results are published on the official BSEB website and can be checked using roll number or registration number. The result displays subject-wise marks, total marks, percentage, division/grade, and pass/fail status. Students can download their marksheets online and collect original certificates from their respective schools after verification.

For Bihar Board examinations, the passing cutoff is 33% in each subject for Class 10th and 12th (30% in theory + aggregate 33%). First Division requires 60% and above, Second Division requires 45-59%, and Third Division requires 33-44% marks. The cutoff remains consistent across categories as this is an educational assessment, not a competitive selection. Toppers typically score above 90-95% aggregate, with subject-wise high scores varying between 95-100 marks in individual papers.

Examination Centres

BSEB conducts examinations across Bihar and in select cities outside Bihar for registered students.

Within Bihar: Patna, Gaya, Bhagalpur, Muzaffarpur, Darbhanga, Purnia, Arrah, Begusarai, Katihar, Munger, Chapra, Saharsa, Samastipur, Sasaram, Hajipur, Dehri, Siwan, Motihari, Nawada, Buxar, Jehanabad, Aurangabad, Bettiah, Sitamarhi, Madhubani, Gopalganj, Vaishali, Nalanda, Jamui, Khagaria, Sheikhpura, Kishanganj, Araria, Supaul, Madhepura, and all district headquarters

Outside Bihar (for migrant students, if applicable): Delhi, Mumbai, Kolkata, Ranchi, Jamshedpur, and other major cities where sufficient Bihar Board students are registered

Students are allotted exam centers based on their school location or chosen center during registration, subject to availability.