Bihar Board 12th Syllabus 2020 - Bihar School Examination Board releases BSEB 12th syllabus 2020 for Science, Arts and Commerce for students on This Bihar Board Class 12 syllabus contains in-depth information about the important topics and marking scheme of all the subjects. Students are advised to follow the prescribed Bihar Board 12th syllabus 2020 in order to gain authentic knowledge and score high. They should stick to the syllabus and prepare for the exam accordingly. Bihar Board intermediate syllabus will be released for all the streams such as Science, Arts and Commerce. Bihar Board 12th exams 2020 conducted from February 3 to February 13, 2020. Students must strictly follow the Bihar Board 12th syllabus 2020 and understand every topic very well. Read this article to know the detailed Bihar Board Class 12 syllabus 2020 for Physics, Chemistry, Mathematics and more.
Latest- BSEB 12th result 2020 declared on March 24, 2020

Latest :  Crack NEET 2020 with NEET Knockout Program( AI-Based Coaching), If you Do Not Qualify- Get 100% MONEY BACK. Know More


Apply to Lovely Professional University Admissions 2020

Applications Open Now
Lovely Professional University Admissions 2020
Bihar Board 12th Syllabus 2020

Sections in this Article

  1. Bihar Board 12th Arts Syllabus 2020

  2. Bihar Board 12th Science Syllabus 2020

  3. Bihar Board 12th Commerce Syllabus 2020

Bihar Board 12th Syllabus 2020 for Physics

Find below BSEB 12th Science syllabus subject - wise. Students must keep a check of the prescribed syllabus and prepare for exams accordingly. Students are advised to make a definite BSEB 12th time table so that they could give proper time to all the subjects.

IIT/JEE 2020 Online Preparation

Crack JEE 2020 with JEE Knockout Program, If you Do Not Qualify- Get 100% MONEY BACK

Start Now

Bihar Board 12th Physics Syllabus 2020


Marking Scheme


Important Topics


Electric Charges, Conservation of charge, Coulomb’s law-force between two point charges, forces between multiple charges, the electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field, etc.


Current Electricity

Ohm’s law, electrical resistance, V-I characteristics (linear and nonlinear), electrical energy and power, electrical resistivity and conductivity, Kirchhoff’s laws and simple applications. Wheatstone bridge, metre bridge, etc.


Magnetic effect of Current and Magnetism

Torque on a magnetic dipole (bar magnet) in a uniform magnetic field; bar magnet as an equivalent solenoid, Force on a moving charge in a uniform magnetic and electric fields, Earth’s magnetic field and magnetic elements, etc.


Electromagnetic Induction and Alternating Current

Electromagnetic induction; Faraday’s law, induced emf and current; Lenz’s Law, peak and RMS value of alternating current/voltage; reactance and impedance, etc.


Electromotive Waves

Electromagnetic waves, their characteristics, their transverse nature, Electromagnetic spectrum, including elementary facts about their uses, etc.



Refraction of light, total internal reflection and its applications, lensmaker’s formula. Magnification, power of a lens, Reflection of light, spherical mirrors, mirror formula, a combination of thin lenses in contact, etc.


Dual Nature of Matter

Matter waves-wave nature of particles, de Broglie relation, Photoelectric effect, Hertz and Lenard’s observations; Einstein’s photoelectric equation-particle nature of light, Davisson-Germer experiment, etc.


Atoms and Nuclei

Bohr model, energy levels, hydrogen spectrum, Composition and size of nucleus, Alpha-particle scattering experiment; Rutherford’s model of atom; atomic masses, isotopes, radioactive decay law, etc.


Electronic Devices

transistor as a switch, I-V characteristics of the transistor, transistor as an amplifier (common emitter configuration), the basic idea of analogue and digital signals, etc.


Communication Systems

Propagation of electromagnetic waves in the atmosphere, amplitude modulation.

Production and detection of an amplitude-modulated wave, etc.




Bihar Board 12th Syllabus 2020 for Chemistry

Students must go through BSEB 12th Chemistry syllabus in order to know the important topics and marking scheme. Students must solve the Bihar Board 12th model papers to know the exam pattern and the types of questions frequently asked.

Bihar Board 12th Chemistry Syllabus 2020


Important Topics

Marking Scheme

Unit 1: Solid State

Electrical and magnetic properties, Packing efficiency, voids, number of atoms per unit cell in a cubic unit cell, point defects, etc.


Unit 2: Solutions

Osmotic pressure, determination of molecular masses using colligative properties, Elevation of boiling point, depression of freezing point, abnormal molecular mass, etc.


Unit 3: Electrochemistry

Kohlrausch’s Law, lead accumulator, Conductance in electrolytic solutions, specific, variations of conductivity with concentration, etc.


Unit 4: Chemical Kinetics

Integrated rate equations and half-life, , the concept of collision theory (elementary idea, no mathematical treatment), etc.


Unit 5: Surface Chemistry

Brownian movement, electrophoresis, Lyophobic multimolecular and macromolecular colloids; properties of colloids; Tyndall effect, coagulation, emulsion-types of emulsions, etc.


Unit 6: General Principles and Processes of Isolation of Elements

Occurrence and principles of extraction of aluminium, copper, zinc and iron, Principles and methods of extraction – concentration, oxidation, reduction – electrolytic method and refining; etc.


Unit 7: p-block Elements

Halides PCl3, Ozone, Sulphur-allotropic forms; Phosphorus – allotropic forms, Preparation properties and uses of sulphur-dioxide, etc.


Unit 8: d and f-block elements

Magnetic properties, interstitial compounds, Metallic character, ionization enthalpy, preparation and properties of K2Cr2O7 and KMnO4, etc.


Unit 9: Coordination Compounds

IUPAC nomenclature of mononuclear coordination compounds. Bonding, Introduction, ligands, coordination number, Werner’s theory, VBT, and CFT; structure and stereoisomerism, etc.


Unit 10: Haloalkanes and Haloarenes

Nomenclature, nature of C-X bond, physical and chemical properties, substitution reactions, etc.


Unit 11: Alcohols, Phenols, and Ethers

Mechanism of dehydration, physical and chemical properties, uses, uses with special reference to methanol and ethanol, etc.


Unit 12: Aldehydes, Ketones, and Carboxylic Acids

Nomenclature, nature of carbonyl group, methods of preparation, physical, uses, methods of preparation, etc.


Unit 13: Organic Compounds and containing Nitrogen

Classification, structure, methods of preparation, secondary and tertiary amines, etc.


Unit 14: Biomolecules

Monosaccharides (glucose and fructose), polysaccharides (starch, cellulose, glycogen) importance, etc.


Unit 15: Polymers

Biodegradable and non-biodegradable polymers, etc, Some important polymers: natural and bakelite, rubber, etc.


Unit 16: Chemistry in Everyday Life

Tranquillizers antiseptics, disinfectants, antacids, antihistamines, artificial sweetening agents, etc.




Bihar Board 12th Syllabus 2020 for Biology

The exam pattern and detailed syllabus of BSEB 12th Biology is tabulated below. Go through the same to stay updated with every topic included in the syllabus.

Bihar Board 12th Biology Syllabus 2020


Important Topics

Marking Scheme

Unit 1: Sexual Reproduction

Pollination and fertilization in flowering plants.

Development of seed and fruit

Human Reproduction, pregnancy and parturition, etc.


Unit 2: Genetics and evolution

Chromosome theory of inheritance, Deviations from Mendelism ratio, Sex determination in human beings: XX, XY, Linkage and crossing over, etc.


Unit 3: Biology & human welfare

Microbes in household food processing, industrial production, sewage treatment and energy generation, Cancer and AIDS, etc.


Unit 4: Biotechnology and its applications

Recombinant DNA technology

Applications in Health, Biosafety issues, etc.


Unit 5: Ecology and environment

Organisms and Populations

Ecosystem, Environmental Issues, etc.




Bihar Board 12th Syllabus 2020 for Maths

Maths is a subject which needs consistent practice in order to understand the logic behind every problem. Students must prepare this subject referring to the Bihar Board 12th Syllabus and they should pay more attention to the units which carry high weightage. Find below the BSEB 12th Maths syllabus and exam pattern


Important Topics

Marking scheme

Unit 1: Relations and Functions

reflexive, symmetric, transitive and equivalence relations, Definition, range, domain, principal value branch. Graphs of inverse trigonometric functions, etc.


Unit 2: Algebra

Addition and multiplication and multiplication with a scalar. Simple properties of addition, multiplication and scalar multiplication, Adjoint and the inverse of a square matrix. Consistency, etc.


Unit 3: Calculus

Derivatives of logarithmic and exponential functions, increasing/decreasing functions, tangents and normals, use of derivatives in approximation, Logarithmic differentiation, derivative of functions expressed in parametric forms, etc.


Unit 4: Vectors and 3 Dimensional Geometry

Components of a vector,

Cartesian and vector equation of a plane, the addition of vectors, multiplication of a vector by a scalar, position vector of a point dividing a line segment in a given ratio, etc.


Unit 5: Linear Programming

The mathematical formulation of L.P. problems, graphical method of solution for problems in two variables, feasible and infeasible regions, etc.


Unit 6: Probability

Baye’s theorem, Random variable and its probability distribution, mean and variance of the random variable, etc.




Bihar Board 12th Syllabus 2020 for Accountancy

We have provided the detailed BSEB 12th Accountancy syllabus in the table below. Refer to the important topics and work on the weak area to score high in 12th Accountancy.



Important Topics

Introduction to Partnership

Meaning and definitions, The Indian partnership Act 1932,

Methods of capital accounts, Fixed Capital Method

Fluctuating Capital Method, etc.

Partnership Final Accounts

Commission to working partner/ Managers on the basis of Gross profit, Closing stock, Outstanding expenses, Unrecorded purchases and sales, Bills Receivable dishonoured, Net profit, sales, etc.

Reconstitution of Partnership

Retirement/Death of a partner, Meaning, need, Adjustment of accumulated profits and losses, Revaluation of assets and liabilities, Adjustment of capital, Amount due to retiring partner, Death of a partner, Meaning and different ways of reconstitution, Admission of a partner, New ratio, Gain ratio, Treatment of goodwill, etc.

Dissolution of Partnership Firm

Simple dissolution, Dissolution under Insolvency situation, etc.

Accounts of Not for Profit concerns

The capitalisation of entrance fees, Creation of special funds out of donations, Introduction, meaning and features of Not for Profit concerns, General Donations, Specific Funds, Endowment fund, Receipts and Payments Account meaning and features, Depreciation, Stock of stationery, Sale of old assets, Scrap, Newspapers, Specific donation, etc.

Single entry system

Interest on capital, Interest on Drawings, Partners salary, Outstanding / Unpaid expenses, Undervaluation and Overvaluation of Assets and Liabilities, Interest on loan, Prepaid Expenses/ Expenses paid in advance, etc.

Bill of Exchange (Only Trade Bill)

Introduction, necessity, Meaning, Definition of Bill of Exchange

Draft/format of Bills, Parties to the Bill of Exchange, Acceptance of Bill, Terms of Bill, honour/dishonour, insolvency of the drawee/ acceptor, etc.

Company Accounts Part-I Accounting for shares

Share and share capital, Meaning, Private placement of shares. Public subscription of shares, Nature and Types.

Accounting for Share Capital: Issue and Allotment of Equity Shares, etc.

Company Accounts Part-II Accounting for Debentures

Debentures: Meaning, Issue of debentures at par, at a premium and at discount, Issue of debentures for consideration other than cash. Interest on Debentures, etc.

Analysis of financial statements

cash flow analysis, and Ratio analysis, Accounting Ratios: Meaning of objectives and classification of Ratios, Financial statement analysis: meaning, common-size statements, Introductions to current ratio, liquid ratio, Gross profit ratio, operating profit ratio, objectives and limitations, Tools for financial statement Analysis-meaning of comparative statements, etc.

Bihar Board 12th Syllabus 2020 for Economics

Students can find the entire BSEB 12th Economics syllabus in the table below. They must stick to the syllabus religiously to score high in the exams.


Important Topics

Section A: Micro Economics

Introduction to Micro Economics

Types of Market & Price determination under perfect competition


Analysis of Demand

Consumers behaviour

Elasticity of Demand

Analysis of Supply

Factors of Production

Section B: Macro Economics

Introduction to Macro Economics

National Income

Commercial Bank

Central Bank

Public Economics

Determinants of Aggregates


Bihar Board 12th Arts Syllabus 2020

The subjects that are prescribed in the Arts stream are mentioned below.

Serial no.





Political Science











Click here to download the entire Bihar Board 12 Syllabus 2020 for all streams.

Quick Links

Frequently Asked Question (FAQs) - Bihar Board 12th Syllabus 2020

Question: What are the exam dates of the Bihar board Class 12 exams?


Bihar Board 12th exams will be conducted from February 3 to February 13, 2020.

Question: When will the Bihar Board 12th admit card 2020 be released?


Bihar board 12th admit card will be released in the month of January 2020. 

Question: What are the timings of the UP Board Class 12 exams 2020?


The BSEB 12th exams will be conducted in two shifts, from 9:30 am to 12:45 pm and from 1:45 pm to 5:00 pm.

Question: When will the UP Board 12th result 2020 be declared?


UP Board 12th result will be declared in the last week of March 2020.

Applications Open Now

Lovely Professional University Admissions 2020
Lovely Professional Universit...
View All Application Forms

Bihar Board 12th Updates and Articles

Questions related to Bihar Board 12th

Showing 19 out of 19 Questions

How many marks required in bseb for jee qualifications?

Harshit sethi 25th Mar, 2020

For JEE Mains Exam ,One needs to  either secure at least 75% marks (65% for SC/ST/PwD) in Class XII or be within the category-wise top 20 percentile in his/her respective Class XII board examination .

So it depends on how many subjects you opted . So you need to calculate required marks on the basis of number of subjects .


bihar bord rijalt dikhaiye bseb

Papeya Dubey Student Expert 24th Mar, 2020


BSEB Bihar has declared intermediate results for arts, science and commerce stream at its official website. So, just visit the website at and click on the link for results, enter the required details and view the results.


what is the minimum percentage in bihar board 12th to get admission here

Devraj choudhary Student Expert 29th Feb, 2020

Hii Avinash

I think you have missed to specify name of college for which you want to take admission.  Please comment so that I can help you with the information.

For example- for admission in IITs/NITs one need to have 75+% or be in top 20 percentile of bihar board for admission.  Similarly different colleges have different minimum percentage criteria.

So, please comment down.


syallabus of science for 19-21

Papeya Dubey Student Expert 27th Feb, 2020


You can get Bihar Board syllabus for class 12th science by visiting the following link;

Applications Open
The question have been saved in answer later, you can access it from your profile anytime. Access now

Download the Careers360 App on your Android phone

Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile

Careers360 App
150M+ Students
24,000+ Colleges
500+ Exams
1500+ E-books