The Bihar School Examination Board (BSEB) has officially released the answer keys for the Bihar Board of Open Schooling and Examination (BBOSE) Class 10 and Class 12 examinations conducted in June 2025 and December 2025. Candidates who appeared for the BBOSE Matric and Intermediate exams can now download the answer keys from the official website biharboardonline.com.
To maintain transparency in evaluation, BSEB has also opened the online objection window for candidates and other stakeholders who wish to challenge any answer provided in the provisional answer keys. The objection facility will remain active till January 9, 2026, up to 5:00 PM.
BBOSE Answer Key 2025 – Important Highlights
According to the Board, the BBOSE Class 10 and 12 answer keys have been prepared by teams of subject experts appointed by the evaluation committee. The answer keys were uploaded on the official website from January 7, 2026, enabling candidates to review their responses and raise objections, if any, within the stipulated timeline.
The Board has clearly stated that objections submitted after the prescribed date and time or through any offline mode will not be accepted under any circumstances.
BBOSE 2025 Answer Key – Key Dates
| Event | Date |
| Answer Key Release Date | January 7, 2026 |
| Objection Window Open | January 7, 2026 |
| Last Date to Raise Objection | January 9, 2026 (till 5:00 PM) |
| Official Website | biharboardonline.com |
How to Download BBOSE Class 10, 12 Answer Key 2025
Candidates can follow these steps to download the answer key:
- Visit the official website biharboardonline.com
- Click on the link for BBOSE Answer Key 2025 (Class 10 / Class 12)
- Select the relevant June or December 2025 examination
- Download the answer key PDF for the required subject
- Compare your responses with the official answers
How to Challenge BBOSE Answer Key 2025
Candidates who find discrepancies can raise objections by following the steps below:
- Visit biharboardonline.com
- Click on “Objection regarding Answer Key BBOSE (10th/12th) June & December Exam 2025”
- Select the examination (Class 10 or 12) and subject
- Enter the required candidate details
- Choose the question number for which the objection is being raised
- Submit the objection as per the on-screen instructions
- Complete the process and take a printout for future reference
Important Instructions for Submitting Objections
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- Objections must be submitted only through the official online link
- Ensure objections are filed before January 9, 2026, 5 PM
- Late or offline objections will not be considered
- Candidates must follow all guidelines mentioned on the website carefully
Why Checking the BBOSE Answer Key is Important
- Helps estimate probable scores before result declaration
- Ensures fair evaluation of objective-type questions
- Provides transparency in the examination process
- Allows candidates to challenge incorrect answers with valid proof
Frequently Asked Questions (FAQs)
| Who released the BBOSE Answer Key 2025? |
| The answer key has been released by the Bihar School Examination Board (BSEB). |
| For which exams is the BBOSE Answer Key released? |
| For BBOSE Class 10 and Class 12 exams held in June and December 2025. |
| Where can I download the BBOSE answer key? |
| From the official website biharboardonline.com. |
| What is the last date to raise objections? |
| January 9, 2026, till 5:00 PM. |
| Can objections be submitted offline? |
| No, objections are accepted only through the online mode. |
| Who prepared the BBOSE answer keys? |
| The answer keys were prepared by subject experts appointed by the evaluation committee. |
| Will objections submitted after the deadline be accepted? |
| No, late submissions will not be considered. |
| When were the answer keys uploaded? |
| The answer keys were uploaded from January 7, 2026. |
The release of the BBOSE Class 10 and 12 Answer Key 2025 marks an important step toward transparent and fair evaluation. Candidates are advised to download the answer keys promptly, review them carefully, and submit objections—if required—before January 9, 2026, 5 PM. For official updates and further announcements, always rely on biharboardonline.com and bookmark this page for the latest BBOSE-related information, for more details CLICK HERE
