BSEB 12th Biology Question Paper 2026: According to the official schedule release by the Bihar School Examination Board, Patna, the Class 12 board exams were scheduled from February 2, 2026, and concluded on February 13, 2026. The BSEB Class 12 Biology examination was conducted on February 2, 2026, from 9:30 AM to 12:45 PM, which was the first subject of the Intermediate final board exam. Biology is one of the most important papers for students of the Biological Science stream, as its preliminary knowledge becomes essential for appearing in entrance exams for admission to various undergraduate programmes like medicine, nursing, pharmacy, life sciences, biotechnology, etc., in various universities. This year's BSEB intermediate biology exam paper was overall at a moderate level of difficulty.
This Story also Contains
In this article, students will get the BSEB 12th Biology Question Paper 2026 PDF; along with that, the students will be able to download the BSEB Intermediate Biology Answer Key 2026 PDF, along with detailed solutions. Students will also find a comprehensive breakdown of the exam overview, exam pattern and preparation tips in this article.
Must Read: Bihar Board Class 12 Question Paper 2026- All Subjects
Check the complete details of the Bihar Board Class 12 biology exam 2026, which was held on February 2, 2026.
| Particulars | Details |
|---|---|
Exam Name | Bihar Board Intermediate (Class 12) Examination 2026 |
Conducting Authority | Bihar School Examination Board (BSEB), Patna |
Class | 12th (Intermediate) |
Academic Session | 2025–26 |
Exam Type | Final Board Examination |
Exam Mode | Offline (Pen and Paper) |
Biology Exam Date | February 2, 2026 |
Exam Timings | First Sitting: 9:30 AM – 12:45 PM |
Question Paper Language | Hindi / English |
Official Website | biharboardonline.bihar.gov.in |
Result Mode | Online |
Students should follow the steps given below to download the Bihar Board 12th Biology question paper 2026:
Check the following table and click on the relevant link of the Bihar Board 12th Biology question papers.
It will open a new page, and click on the download button.
A PDF file that comprises Bihar Board 12th Biology question papers will start to download.
Start practising with the Bihar Board 12th Biology question papers for better preparation for the exams.
Get your results instantly with our calculator!
This Careers360 page provides the IBihar board intermediate Biology Question Paper 2026 PDF below. Students can download this official question paper so that they can analyse the pattern of the examination, the difficulty level of questions, and the weightage of different topics in the exam. Answering the question paper will also help students evaluate their overall performance.
BSEB 12th Biology Question Paper 2026 |

Note: To download the complete BSEB 12th Question Paper PDF 2026, click on the link given in the table above.
Related Link: Bihar Board Class 12 Economics Question Paper 2026
The BSEB 12th Biology Answer Key 2026 PDF is provided below. Students must check and download the Bihar Board Intermediate Biology answer key 2026 by going through the link given below. The BSEB 12th bio answer key 2026 will help to check the accurate answer of the questions which were asked in the final BSEB exam 2026.
BSEB 12th Biology Answer Key 2026 |
Bihar Board 12th Biology Answer
SET-I | |||
| Q no | Correct Option | Q no | Correct Option |
| 1 | A | 36 | D |
| 2 | A | 37 | C |
| 3 | B | 38 | D |
| 4 | A | 39 | A |
| 5 | A | 40 | A |
| 6 | B | 41 | A |
| 7 | C | 42 | B |
| 8 | D | 43 | C |
| 9 | B | 44 | D |
| 10 | D | 45 | D |
| 11 | D | 46 | A |
| 12 | C | 47 | D |
| 13 | A | 48 | D |
| 14 | B | 49 | C |
| 15 | D | 50 | B |
| 16 | C | 51 | A |
| 17 | D | 52 | A |
| 18 | B | 53 | A |
| 19 | D | 54 | C |
| 20 | A | 55 | C |
| 21 | D | 56 | B |
| 22 | C | 57 | A |
| 23 | D | 58 | B |
| 24 | D | 59 | D |
| 25 | D | 60 | C |
| 26 | D | 61 | B |
| 27 | A | 62 | A |
| 28 | B | 63 | D |
| 29 | D | 64 | C |
| 30 | A | 65 | B |
| 31 | C | 66 | A |
| 32 | A | 67 | A |
| 33 | A | 68 | D |
| 34 | D | 69 | A |
| 35 | B | 70 | A |
Bihar board 12th biology exam pattern for 2026 is given in the table below, which includes more weightage of MCQ questions of 50 per cent.
| Section | Type of Questions | Total Questions | Questions to Attempt | Marks per Question | Total Marks |
|---|---|---|---|---|---|
Section A | Objective (MCQs) | 70 | 35 | 1 | 35 |
Section B | Short Answer | 20 | 10 | 2 | 20 |
Section B | Long Answer | 6 | 3 | 5 | 15 |
Total | — | 96 | — | — | 70 Marks |
To achieve success in the final board examination, students appearing for the BSEB Intermediate Biology Exam 2026 should adopt a smart and focused preparation strategy.
Also Read –
On Question asked by student community
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.
Get Job Ready in Healthcare | Employability-Focused Programs