BSEB 12th Science Exam Pattern 2025: Know Marking Scheme & Exam Duration Here
Bihar School Examination Board 12th 2026 ( BSEB 12th )
Exam On - 2 May '26 - 11 May '26
The Bihar School Examination Board (BSEB) prescribes the BSEB 12th Science Exam Pattern 2024. Students preparing for the BSEB class 12 science exams 2024 can check the BSEB 12th exam pattern for the Science stream on the official website and on his page as well. We have also provided the detailed Bihar Board Class 12 Science Exam Pattern 2024 on this page. Knowing the exam BSEB Class 12 exam pattern 2024 in advance might help you become aware of how the actual exam will be held.
Students are advised to check the BSEB 12th Science Exam Pattern 2024 and prepare for the exam accordingly. The BSEB 12th exams will be conducted for a total of 3 hours and 15 minutes. BSEB 12th exams 2024 will have both subjective and objective type questions. The exams will have 50% multiple-choice questions, carrying 1 mark each. Subjects having both theory and practicals will only have 35 MCQs in the theory paper. Students must go through the entire BSEB Class 12 Science Syllabus 2024 thoroughly. They can also check the BSEB Class 12 Preparation to know the tips and tricks for better preparation for the BSEB Class 12 exams.
- BSEB Exam Pattern 2024 for Class 12 – Science Stream
- BSEB 12th Marking Scheme Subject-wise
- BSEB 12th Science Exam Pattern 2023- Marking Scheme for Physics
- Bihar Board 12th Exam Pattern Science 2024- Marking Scheme for Chemistry
- BSEB 12th Exam Pattern 2024 Science- Marking Scheme for Biology
- How to download BSEB 12th Pattern 2024 for Science?
BSEB Exam Pattern 2024 for Class 12 – Science Stream
| Subjects |
Full Marks |
Theory |
Pass Marks |
||
|---|---|---|---|---|---|
| Theory |
Practical |
Total |
|||
| RB -Non-Hindi |
50 |
50 |
15 |
||
| Alternative English |
50 |
50 |
15 |
||
| English/Hindi |
100 |
100 |
30 |
||
| Mathematics |
100 |
100 |
30 |
||
| Physics |
100 |
70 |
21 |
12 |
33 |
| Chemistry |
100 |
70 |
21 |
12 |
33 |
| Biology |
100 |
70 |
21 |
12 |
33 |
BSEB 12th Marking Scheme Subject-wise
Given below is the marking scheme of the BSEB 12th examinations:
| Subjects |
Total marks (Theory paper) |
|---|---|
| Computer science, Multimedia & Web Technology, Physics, Chemistry, Biology | 70 marks |
| English, Hindi, Sanskrit, Bengali, Bhojpuri, Maithili, Urdu and other languages |
100 marks |
Number of MCQs in the exam as per the BSEB 12th exam pattern is mentioned below:
| Subjects | Number of MCQs |
|---|---|
| English, Hindi, Sanskrit, Bengali, Bhojpuri, Maithili, Urdu, and other languages | 50 |
| Computer science, Multimedia & Web Technology, Physics, Chemistry, Biology, Physical Education, and Yoga |
35 |
| Accountancy, Business Studies, Economics, Mathematics | 50 |
BSEB 12th Science Exam Pattern 2023- Marking Scheme for Physics
| Units |
Marking Scheme |
|---|---|
| Electrostatics |
08 |
| Current Electricity |
07 |
| Magnetic effect of Current and Magnetism |
08 |
| Electromagnetic Induction and Alternating Current |
08 |
| Optics |
04 |
| Dual Nature of Matter |
04 |
| Atoms and Nuclei |
06 |
| Electronic Devices |
07 |
| Communication Systems |
07 |
| Electromotive Waves |
03 |
Bihar Board 12th Exam Pattern Science 2024- Marking Scheme for Chemistry
| Units |
Marking Scheme |
|---|---|
| Unit 1: Solid State |
04 |
| Unit 2: Solutions |
05 |
| Unit 3: Electrochemistry |
05 |
| Unit 4: Chemical Kinetics |
05 |
| Unit 5: Surface Chemistry |
04 |
| Unit 6: General Principles and Processes of Isolation of Elements |
03 |
| Unit 7: p-block Elements |
08 |
| Unit 8: d and f-block elements |
05 |
| Unit 9: Coordination Compounds |
03 |
| Unit 10: Haloalkanes and Haloarenes |
04 |
| Unit 11: Alcohols, Phenols, and Ethers |
04 |
| Unit 12: Aldehydes, Ketones, and Carboxylic Acids |
06 |
| Unit 13: Organic Compounds and containing Nitrogen |
04 |
| Unit 14: Biomolecules |
04 |
| Unit 15: Polymers |
03 |
| Unit 16: Chemistry in Everyday Life |
03 |
BSEB 12th Exam Pattern 2024 Science- Marking Scheme for Biology
| Unit |
Marking Scheme |
|---|---|
| Unit 1: Sexual Reproduction |
06 |
| Unit 2: Genetics and evolution |
18 |
| Unit 3: Biology & human welfare |
18 |
| Unit 4: Biotechnology and its applications |
18 |
| Unit 5: Ecology and environment |
10 |
How to download BSEB 12th Pattern 2024 for Science?
Students can visit the board's website to download the Bihar Board Class 12 pattern. Students must be thorough with the BSEB Inter syllabus as well as the exam pattern to prepare well for the Class 12 exams. They must start preparing as early as possible to avoid any last-minute hassle.
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BSEB 12th Exam
Student Forum
Anything you would want to ask experts?Answered 22 hours ago
The Bihar School Education Board (BSEB), Patna, released the Bihar Board Class 12th Compartment Exam Date 2026 on April 13, 2026. As per the announced date, Bihar Board Intermediate compartment exams 2026 will be conducted from May 2 to 11, 2026.
M
Contributor-Level 10
Answered a month ago
The students who complete the Bihar Board 12th syllabus before the final paper can easily secure marks above 80%. Many students are scoring more than 80 per cent marks in the state in recent years.
M
Contributor-Level 10
Answered a month ago
Maths is considered the most difficult paper in BSEB class 12 exams. Over the past years, the level of Maths paper in BSEB class 12 is moderate to difficult.
M
Contributor-Level 10
Answered a month ago
After the release of BSEB Inter Result 2026, students should firsty collect the original mark sheet from their respective schools. Thereafter, they can apply for admission to various professional and undergraduate courses in different universities and colleges across the state as well as in India. S
M
Contributor-Level 10
Answered a month ago
Yes, the students are notified as soon as the Bihar Board class 12th result is out. The board releases a notification on its handles on social media. The students need to follow the BSEB in social media platforms to get notified about the exam and result related updates. We also provide the latest u
M
Contributor-Level 10
Answered a month ago
A good marks in BSEB Class 12th exam is generally considered to amore than 75 percet. Students who score above 90 per cent may be included in the list of top performers.
M
Contributor-Level 10
Answered a month ago
Yes, at least a day before the final result, the board announces an exact Bihar Board 12th class result 2026 date and time. As soon as it gets revealed, we will update the same on this page. However, every year, the board releases the BSEB Inter result 2026 in the fourth week of March.
M
Contributor-Level 10
Answered a month ago
In the year 2025, Priya Jaiswal from Bagaha became the topper in Bihar Board 12th Topper List 2025 Science and also across the streams. She secured the 96.8% marks (484/500).
M
Contributor-Level 10
Answered a month ago
Yes, every year, the board released the BSEB class 10th result after the Bihar Board 12th result. In 2026, the board announced the BSEB Matric result on March 29, 2026.
M
Contributor-Level 10
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