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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 |
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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 ?
Hi Aman Kumar
For the Bihar Board Class 12 English Half-Yearly Question Paper 2026-27, you can check the Careers360 page. The question paper and answer key will be updated on this page
Hi Garima,
Sorry, currently we do not have an agriculture question paper, but I'm providing you with a link to an article. This article will be updated from time to time; keep checking the article. The question paper will be updated in the article.
https://school.careers360.com/boards/bseb/bihar-board-class-11-quarterly-exam-question-paper-2026
Hi Sakshi Raj
Check the links given below for last 5 years' Bihar Board final exam question papers
Hi Anshu Kumar
You can find the Bihar Board Class 11 Half-Yearly Question Papers 2025-26 for different subjects on Careers360, including Maths, Physics, Chemistry and Biology.
Click on the link below:
https://school.careers360.com/boards/bseb/bihar-board-class-11-half-yearly-question-paper-2025-26
If you need a particular subject, you can also use the Maths paper
Hi Akanksha,
You can download the half-yearly physics question paper.
If you need more resources, please let us know.
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