BSEB Half-Yearly Exam: Check 9, 10, 12 answer key by 26 Sep 2026

The Bihar School Examination Board (BSEB) today, 19 September 2026, released the Half-Yearly Exam Answer Key for the 2026-27 session, covering Class 9, 10, and 12 subjects. This release coincides with the ongoing Half-Yearly examinations, which commenced on 18 September 2026 and are scheduled so on 26 September 2026.

The Half-Yearly examination serves as a preparatory assessment for students, indicating their readiness for the annual examination in 2027 and familiarizing them with the board’s question pattern. Participation and a passing grade in these exams are mandatory for students to be eligible for the final annual examination.

Half-Yearly Examination Structure and Schedule

The Half-Yearly examinations are being conducted in an offline mode across two sittings daily. The first sitting runs from 09:30 AM to 12:45 PM, while the second sitting is from 02:00 PM to 05:15 PM. Students are allotted a 15-minute ‘Cool Off Time’ during the examination.

Question papers for these exams were prepared and dispatched by the board to schools and colleges through a confidential agency between 07 September 2026 and 15 September 2026. The 12th Chemistry Half Yearly Exam, specifically, was held on 18 September 2026. The final annual examination for Inter (Class 12) is scheduled to take place between 01 February and 12 February 2027.

Answer Key Availability and Examination Pattern

The Bihar Board 12th Chemistry Half Yearly Exam Answer Key 2026, applicable for the 2025-27 session, includes solutions for questions 1-50. This answer key is accessible on biharboard.co, with the official download portal being biharboardonline.com. Answer keys for Class 9th half-yearly exams have also been made available.

The Half-Yearly exam is a 100-mark examination. For the 12th Half-Yearly exam, students are required to answer 50 objective questions out of 80 provided, plus 50 marks of subjective questions. Dr. Tyag Rajan Sam M, the current chairman of the Bihar Board, stated that the Class 12th Half-Yearly examination will be conducted in a manner similar to the final examination, with question papers prepared and sent by the board.

Resources and Support for Students

The Bihar School Examination Board (BSEB) provides thorough Bihar Board Text Books Solutions for classes 1 to 12, available in both Hindi and English Medium. The syllabus for all classes is prescribed by the State Government of Bihar. New (2022-2023) Edition of SCERT BTBC Bihar Board Books are also available for free PDF download, with the Bihar State Text Book Publishing Corporation Ltd. Dedicated to providing online books.

Students can download the 12th Half Yearly Exam Routine 2026 from intermediate.biharboardonline.com or www.biharboard.co. To access the 12th Chemistry Half Yearly Exam Answer Key 2026, students should visit biharboardonline.com, click on the relevant download link, and then view the answer key on the subsequent page.

Further reading

• BSEB half-yearly exam dates 2025 released for classes 9, 10, 11 and 12
• Bihar Board 12th half yearly exam answer key 2026-27: unofficial keys available as exams continue
• CBSE Class 10 Half Yearly Exam Paper 2025-26 with Answer Key Released for Mid-Term Preparation
• Bihar Board half-yearly exams for classes 9, 10, 11, 12 begin September 18

Written by Nishit Kumar

Nishit Kumar is a senior EdTech industry leader with over a decade of experience in building and scaling education platforms, shaping their product, content, and growth strategy. At FindMyCollege, Nishit oversees content and editorial strategy, guiding topic selection and content frameworks to ensure accuracy, relevance, and student-first value across the website.

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