Bihar Board Biology Answer Key 2025 Out (1 Feb All Set PDFs), 12th Economics Solution
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The Bihar Board has released the official BSEB Class 12th Biology and Economics exam provisional answer key on February 28, 2025. Candidates can check it at - objection.biharboardonline.com. Objections can be submitted online until 5:00 PM on March 5, 2025. Late submissions will not be considered as mentioned in an official notification released by the Bihar School Examination Board.
Download - Official BSEB 12th Biology and Economics Answer Key 2025
The Bihar School Examination Board conducted the Economics and Biology exam on February 1, 2025. The Biology exam was over at 12:45 pm in the first shift, while the Economics exam was concluded at 5:15 pm in the second shift. After each shift, coaching institutes also provide the Bihar Board 12th Biology and Economics answer key 2025 through various online channels. We have also provided a direct link for the same in this article.
The official answer key of Bihar board 12th Class can be used by students to calculate their marks and compare it with BSEB passing marks to know how well they did in the MCQ section.
Bihar Board 12th Biology Answer Key 2025
The Biology exam got concluded at 12:45 pm on February 1, 2025. Now, students can get answers to the question paper. The paper had 70 objective questions, and each question had four options. Students need to choose the correct answer and mark it on the OMR sheet.
Unofficial Set-wise Biology Exam Solution (Feb 1)
| Set A Biology Answer Key | Set B Biology Answer Key |
| Set C Biology Answer Key | Set D Biology Answer Key |
| Set E Biology Answer Key | Set F Biology Answer Key |
| Set G Biology Answer Key | Set H Biology Answer Key |
| Set I Biology Answer Key | Set J Biology Answer Key |
BSEB Biology Exam Pattern 2025
| Question Type | Number of Questions | Per Question Mark | To be Attempted |
| Objective Type | 70 | 1 | Answer any 35 questions |
| Short Answers | 20 | 2 | Answer any 10 questions |
| Long Answers | 6 | 5 | Answer any 3 questions |
Bihar Board Biology Objective Question and Answer
Bihar Board 12th Economics Answer Key 2025
There are a total of 10 sets and each set will have separate answer keys. Here, we have provided answer keys for some sets. The BSEB 12th Economics exam solution official link can be accessed from the article above.
Unofficial Set-wise Economics Exam Solution (Feb 1)
| Set A Economics Answer Key | Set B Economics Answer Key |
| Set C Economics Answer Key | Set D Economics Answer Key |
| Set E Economics Answer Key | Set F Economics Answer Key |
| Set G Economics Answer Key | Set H Economics Answer Key |
| Set I Economics Answer Key | Set J Economics Answer Key |
Note: The above-given answer key links are for the videos of various coaching institutes as provided on YouTube.
BSEB Economics Exam Pattern 2025
| Question Type | Number of Questions | Per Question Mark | To be Attempted |
| Objective Type | 100 | 1 | Answer any 50 questions |
| Short Answers | 30 | 2 | Answer any 15 questions |
| Long Answers | 8 | 5 | Answer any 4 questions |
Bihar Board 1 Feb Answer Key 2025
On February 1, Economics (commerce and arts) and Biology (science) exams were conducted at around 1677 exam centres. 12.92 lakh students took part in Bihar intermediate exam across the state.
Unofficial Answer Key Release Time
| Subject | Answer Key Release Time |
|---|---|
| BSEB Biology Answer Key 2025 | 1 pm (Available) |
| BSEB Economics Answer Key 2025 | After 5:30 pm |
Bihar Board Class 12th Question Paper's 2025
Prepare smartly with BSEB 12th Question Papers 2025. Understand the exam pattern, marking scheme, and important questions.
Download NowAlso, check Bihar Board 12th result 2025 date
Frequently Asked Questions (FAQs)
Q: When will the board publish official BSEB 12th answer key?
A:
The official answer key has been published on February 28, 2025.
Q: Where can I check the BSEB 12th answer key?
A:
The BSEB 12th answer key can be checked at - http://objection.biharboardonline.com/
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Questions related to Bihar Board 12th
On Question asked by student community
Have a question related to Bihar Board 12th ?
Hello dear candidate,
In the link mentioned below you can find the question paper of Bihar board class 12th accountancy :-
https://school.careers360.com/download/ebooks/bihar-board-class-12-accountancy-question-paper-2025
I hope you find this helpful. Thank you.
Hello,
No , Bihar School Education Board (BSEB) , has not yet released the modal papers of class 12 th 2026. It is expected that these will be released in November and December 2025 .
Hope this information is useful to you.
If you’re preparing for the Bihar Board Class 11 half-yearly exams, this question paper will help you get familiar with the types of questions asked, format, and important topics to focus on. I will be attaching the link here for your reference.
https://school.careers360.com/boards/bseb/bihar-board-class-11-half-yearly-question-paper-2025-26
Hello, You have asked for the Biology question paper of class 12th of Bihar board.
I am sharing a link with you where you can download the Biology question paper of class 12th of Bihar board.
Here is the link: CLICK HERE
You can download the question paper by clicking on "CLICK HERE".
I hope you find this helpful.
Dear rahnuma!
You can find the the syllabus for class 11th quaterly examination 2025-26 from the link given here
https://school.careers360.com/boards/bseb/bihar-board-class-11-syllabus
It has syllabus for subjects like maths, physics, chemistry, english and biology. You can note it and start your preparation for exams.
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