Bihar Board 12th Biology Answer Key 2026 (Feb 2) - Download Set-Wise PDF
The Bihar School Examination Board (BSEB) will conduct the Class 12 Biology theory exam on Monday, February 2, 2026. Many institutes and subject experts will release the unofficial BSEB Class 12 biology answer key after the exam. The board releases the official Bihar Board 12th biology 2026 answer key after all examinations are fully completed in the last week of February 2026. We will upload the official and unofficial Bihar Board Class 12 answer key for all sets (A, B, C, D, E, F, G, H, I, and J) once they are out.
This Story also Contains
- Important Dates for BSEB 12th Biology Answer Key 2026
- How to Download the Official Bihar Board 12th Biology Answer Key?
- Objection with Bihar Board Class 12 Biology Answer Key
- Bihar Board 12th Biology Exam Pattern 2026
Students will be able to use the MCQ answers to estimate their scores before the official BSEB 12th results are declared. If there is any discrepancy in the official BSEB 12th Biology answer key, candidates are also allowed to raise objections within the specified time window.
Important Dates for BSEB 12th Biology Answer Key 2026
Students can prepare using the recently released official BSEB 12th model papers and Bihar Board inter previous year solutions to understand the marking scheme and expected answers. Soon, students will be able to download the 2026 Bihar Board Class 12 Biology answer key for the latest exam for sets A-J in PDF format.
| Event | Date (Expected) |
|---|---|
Bihar Board 12th Biology exam date | February 2, 2026 (9:30 AM - 12:45 PM) |
Unofficial BSEB 12th Biology answer key | February 2, 2026 (Afternoon) |
Official Bihar Board Class 12 Biology Answer Key | Last week of February 2026 |
Bihar Board 12th objection window date | First week of March 2026 |
Last week of March 2026 |
Set Wise BSEB 12th Biology Answer Key 2026
| Set | Answer Key Link |
|---|---|
BSEB Class 12 Biology answer key link for Set A | Available soon |
BSEB Class 12 Biology answer key link for Set B | Available soon |
BSEB Class 12 Biology answer key link for Set C | Available soon |
BSEB Class 12 Biology answer key link for Set D | Available soon |
BSEB Class 12 Biology answer key link for Set E | Available soon |
BSEB Class 12 Biology answer key link for Set F | Available soon |
BSEB Class 12 Biology answer key link for Set G | Available soon |
BSEB Class 12 Biology answer key link for Set H | Available soon |
BSEB Class 12 Biology answer key link for Set I | Available soon |
BSEB Class 12 Biology answer key link for Set J | Available soon |
How to Download the Official Bihar Board 12th Biology Answer Key?
Once released, the official BSEB Class 12 biology answer key PDF can be downloaded from the Bihar Board’s website. Follow these steps to get the official Bihar Board 12th Biology answer key PDF from the BSEB portal:
Visit the official website: biharboardonline.bihar.gov.in.
Look for the link "Register objection regarding answer key (Inter exam 2026)".
Enter the roll code and roll number.
Select 'Biology' from the subject list.
The Bihar Board 12th answer key for all sets (Sets A to J) will appear in PDF format.
Objection with Bihar Board Class 12 Biology Answer Key
BSEB 12th biology answer key release date and PDF links are added after all exams are over. BSEB 12th Biology answer keys will be released on the board’s portal (e.g., objection.biharboardonline.com). Students will be able to raise objections against the Bihar Board 12th provisional answer key. After checking and fixing any errors reported by students, the board will issue the final version of the Class 12 Bihar Board Biology answer key.
Bihar Board 12th Biology Exam Pattern 2026
The Bihar Board 12th Bio exam consists of 100 marks (70 Theory + 30 Practical). The theory paper is divided into two sections:
Section A (MCQs): It contains 70 objective questions; students must answer any 35. Each carries 1 mark.
Section B (Subjective): It includes short and long-answer questions totalling 35 marks.
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 NowFrequently Asked Questions (FAQs)
Q: What is the Bihar Board 12th Biology Answer Key 2026?
A:
The Bihar School Examination Board (BSEB) releases the answer key for the Class 12 Biology exam to help students check and match their answers after the exam. Students can use it to estimate their score before the official BSEB 12th result comes out.
Q: What does the Bihar Board biology answer key 2026 include?
A:
The Bihar Board Class 12 Biology answer key provides objective (MCQ) answers for each set of the Biology question paper. It will cover only the objective section. The BSEB 12th biology subjective answers are evaluated by examiners later.
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Questions related to Bihar Board 12th
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Have a question related to Bihar Board 12th ?
The Bihar Board Class 12th exam centre list will be released soon on the official website at secondary.biharboardonline.com. You can get the details of your centre from the BSEB 12th admit card 2026 as well. It includes the exam centre name, centre code, and other important details as well.
Hello Kajal
From this link you can download the PDF of time table for the bihar board 2026.
https://school.careers360.com/boards/bseb/bihar-board-9th-11th-time-table
The exams will be held in two shifts
1st shift - from 9:30 Am to 12:45 Pm
2nd shift - from 2 Pm to 5:15 Pm
All the best for you
Hello,
Here is the link where you can get the syllabus : Bihar Board Class 12th Chemistry Syllabus 2025-26
Hope it helps !
Hi dear candidate,
You can easily download the Bihar board class 11th physics question paper for practice from our official website. The answer key is also available, kindly open the link attached below:
BEST REGARDS
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.
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