What are the minimum passing marks for the Bihar Board 12th exams?

To pass the Bihar Board Inter exams, the students are required to secure at least 30 marks out of 100 marks in each subject. All the candidates must note that the score obtained in practical exams will also be calculated while preparing for the final result.

When will BSEB prescribe the Bihar Board class 12 exam pattern?

The Bihar School Examination Board (BSEB) is yet to release the Bihar Board class 12 exam pattern 2026. It is expected to be announced soon. The students must note that the board prescribes the exam pattern in the form of a sample question paper. Also, the board notifies the major changes (if any) in the exam pattern while releasing the time table. As soon as the board releases the BSEB Inter exam pattern for the academic session 2025-26, we will update the same on this page. Students must note that the chances of major changes in the exam pattern are very low.

Where can I check BSEB 12th exam pattern?

The students must note that BSEB prescribes the Bihar Board class 12 exam pattern in the form of sample paper. The board releases the BSEB Inter sample papers for all subjects on its website. Students can download the subject-wise Bihar Board 12th sample paper from the official website of the board. We also provide direct links to download the BSEB class 12 model/sample paper on our website. In case any major changes made before the exam, the board communicate it while releasing the time table.

Is there any negative marking for objective type questions asked in the Bihar Board 12th exams?

No, as per the exam pattern suggested by the board, there is there is no negative marking scheme for objective-type questions asked in the BSEB 12th board exams. Each objective type question is of one mark. For exh correct answer, the students are awarded marks 1 marks. However, for any incorrect answers, no mark is deducted.

BSEB 12th Science Exam Pattern 2025: Know Marking Scheme & Exam Duration Here

This exam is conducted for courses given below:

Science, Commerce, Arts Science Commerce Arts

Updated on Apr 5, 2023 17:38 IST

By Md Shahzad, Senior Executive - Content

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 12^th 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.

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28 Nov 2025: Bihar Board Class 10, 12 Exam Date Sheet 2026 (Anytime Soon); Live Updates on BSEB Matric, Inter Time Table PDF

Table of contents

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

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BSEB 12th Marking Scheme Subject-wise

Given below is the marking scheme of the BSEB 12^th 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

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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

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How to download BSEB 12th Pattern 2024 for Science?

Students can visit the official BSEB website to download the Bihar Board Class 12 exam pattern. Students must be thorough with the Bihar Board Class 12 syllabus as well as the exam pattern to prepare well for the Class 12 examinations. They must start preparing as early as possible to avoid any last-minute hassle.