BBOSE Answer Key 2025 (Released) – Class 12 Dec Exam Solutions, Objection Window

Garima SihagUpdated on 19 Sep 2025, 01:20 PM IST

The Bihar Board Open Schooling and Examination has released the BBOSE answer key for the December 2024 session class 12th theory examination on September 17, 2025. Students can find the BBOSE answer key for the 12th class December 2024 session online at biharboardonline.com. The board offers the facility to raise objections to the answer key. To object, students will have to visit the “Objection regarding BBOSE 12th December Exam 2024” link till September 19, 2025, 5 pm. Below, we have provided the direct link for the BBOSE December 2024 Exam answer key objection window. To register, students will need to enter their study centre code and roll number, which can be found on the BBOSE admit card.
BBOSE December 2024 Exam Answer Key Objection Login Window

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BBOSE Answer Key 2025 Highlight
BBOSE Answer Key 2025 Date
BBOSE Answer Key 2025 Objection Window

BBOSE Answer Key 2025

The BBOSE answer key includes the correct answer to all the objective-type questions asked in the examination. Students can use the Bihar Board Open School exam answer key to count the expected scores. Those who wish to object to the BBOSE December 2024 exam answer key must do it before the last date. The board will not entertain any request after the objection window closes. Scroll further to learn more about the BBOSE answer key 2025.

BBOSE Answer Key 2025 Highlight

Students can refer to the BBOSE answer key highlight below.

Exam name	Bihar Board Open Schooling and Examination (BBOSE) 2024
Answer key release date	Class 10th: To be released Class 12th: September 17, 2025
Objection window	September 19, 2025 (Till 5 PM)
Login credentials	Study centre code Roll number
Website	biharboardonline.com

BBOSE Answer Key 2025 Date

Below, we have provided the BBOSE exam date 2025 related to the release of the answer key to keep students updated.

Event	Date
BBOSE 10th December 2024 exam	August 25 to September 3, 2025
BBOSE 12th December 2024 exam	August 25 to September 10, 2025
BBOSE 10th December 2024 answer key release date	September 2025
BBOSE 12th December 2024 answer key release date	September 17, 2025
BBOSE December 2024 Class 12 Objection window	September 19, 2025

BBOSE Answer Key 2025 Objection Window

The Bihar board offers the facility to raise objections against the answer key. This facility allows students to challenge the answer key if they believe it is incorrect. To apply for an objection against the BBOSE answer key, students can visit the official website, objmatric.biharboardonline.com. The last date to raise objections against the BBOSE December 2024 answer key is September 19, 2025. The window will stay open until 5 pm. Students must note that no request will be entertained by the board after the last date.

How to Raise Objections Against BBOSE Answer Key 2025?

Visit the official website of the Bihar School Examination Board at biharboardonline.com
On the homepage, the students will find the objection link 'Objection regarding BBOSE(10th) Dec Exam 2024'.
Now, enter the study centre code and roll number on the login portal and submit.

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