
Bihar Board (BSEB) Class 12th Examination – Important Topics for ALL Subjects
(Useful for Science, Commerce & Arts students)
This content is board-focused, based on previous year trends, and perfect for CareerFi.in blog, PDFs, or notes.
🔥 Bihar Board Class 12th Exam – Important Topics (All Subjects)
📘 SCIENCE STREAM (PCM / PCB)
Model Question Paper 2026
CLICK HERE :
- 105/124/205/223 – ENGLISH
- 106/206/306- HINDI
- 107/207/307/503-URDU
- 108/208/308/504- MAITHILI
- 109/209/309/505- SANSKRIT
- 110/210/310/506- PRAKRIT
- 111/211/311- MAGAHI
- 112/212/312/508-L.L-BHOJPURI
- 113/213/313/509-ARABIC
- 114/214/314/510-PERSIAN
- 115/215/315/511- PALI
- 116/216/316/512-BANGLA
- 117- PHYSICS
- 118- CHEMISTRY
- 119- BIOLOGY
- 120- AGRICULTURE
- 121/327- MATHEMATICS
- 122/221/328- COMPUTER SCIENCE
- 123- MULTIMEDIA & WEB TECHNOLOGY
- 217- BUSINESS STUDIES
- 218- ENTREPRENEURSHIP
- 219- ECONOMICS
- 220- ACCOUNTANCY
- 317- YOGA & PHYSICAL EDUCATION
- 318- MUSIC
- 319- HOME SCIENCE
- 320- PHILOSOHPHY
- 321- HISTORY
- 322- POLITICAL SCIENCE
- 323- GEOGRAPHY
- 324- PSYCHOLOGY
- 325- SOCIOLOGY
- 326- ECONOMICS
WHATAPP LINK:
🔹 PHYSICS (Most Important Topics)
🔑 High-Weightage Chapters
- Electrostatics
- Coulomb’s Law
- Electric Field & Potential
- Capacitors
- Current Electricity
- Ohm’s Law
- Kirchhoff’s Laws
- Wheatstone Bridge
- Magnetic Effects of Current
- Biot–Savart Law
- Fleming’s Left & Right Hand Rules
- Electromagnetic Induction
- Faraday’s Laws
- Lenz’s Law
- Alternating Current
- AC Circuits
- Power Factor
- Optics
- Ray Optics (Mirrors, Lenses)
- Wave Optics (Interference, Diffraction)
- Modern Physics (VERY IMPORTANT)
- Photoelectric Effect
- Bohr’s Atomic Model
- Nuclear Energy
📌 Exam Tip:
Numericals + derivations are guaranteed.
🔹 CHEMISTRY (Very Scoring Subject)
🧪 Physical Chemistry
- Solutions
- Electrochemistry
- Chemical Kinetics
⚗️ Organic Chemistry (HIGH PRIORITY)
- Haloalkanes & Haloarenes
- Alcohols, Phenols & Ethers
- Aldehydes, Ketones & Carboxylic Acids
- Amines
🧫 Inorganic Chemistry
- Coordination Compounds
- d & f Block Elements
- P-Block Elements
📌 Exam Tip:
Reactions, formulas & named reactions are most repeated.
🔹 MATHEMATICS (PCM Students)
📐 Most Important Chapters
- Relations & Functions
- Inverse Trigonometric Functions
- Matrices & Determinants
- Continuity & Differentiability
- Applications of Derivatives
- Integrals
- Differential Equations
- Vectors
- Three Dimensional Geometry
- Probability
📌 Exam Tip:
Long questions mostly come from Calculus + Algebra.
🔹 BIOLOGY (PCB Students)
🌿 Important Units
- Reproduction
- Human Reproduction
- Reproductive Health
- Genetics & Evolution
- Mendel’s Laws
- Molecular Basis of Inheritance
- Biotechnology
- Principles & Processes
- Applications
- Ecology
- Ecosystem
- Environmental Issues
📌 Exam Tip:
Diagrams + definitions = easy marks.
📘 COMMERCE STREAM
🔹 ACCOUNTANCY
- Partnership Accounts
- Company Accounts (Shares & Debentures)
- Cash Flow Statement
- Accounting Ratios
🔹 BUSINESS STUDIES
- Principles of Management
- Planning, Organising, Staffing
- Marketing Management
- Financial Management
🔹 ECONOMICS
📊 Micro Economics
- Demand & Supply
- Elasticity
- Production & Cost
🌍 Macro Economics
- National Income
- Money & Banking
- Government Budget
📘 ARTS / HUMANITIES STREAM
🔹 HISTORY
- Nationalism in India
- Indian Freedom Movement
- Colonialism
- Important Dates & Events
🔹 GEOGRAPHY
- Human Geography
- Resources & Development
- Map Work (VERY IMPORTANT)
🔹 POLITICAL SCIENCE
- Indian Constitution
- Fundamental Rights & Duties
- Political Institutions
🔹 HINDI / ENGLISH (All Streams)
✍️ Hindi
- Prose & Poetry Explanation
- Grammar
- Essay & Letter Writing
✍️ English
- Flamingo & Vistas
- Grammar
- Notice, Article & Letter Writing
🎯 BSEB Class 12th Exam Strategy (TOPPER TIPS)
✅ Focus on NCERT line-by-line
✅ Practice previous 10 years papers
✅ Prepare MCQs + long answers
✅ Revise formulas, reactions, dates daily
✅ Time management in exam is key
📌 CareerFi.in Recommendation Box (Internal Linking)
👉 Class 12th Subject-wise Important Questions
👉 10 Years Solved Papers (PDF)
👉 Daily Study Timetable
👉 Model Test Papers
👉 Free MCQs Practice
🚀 Final Words
If you prepare these important topics smartly, scoring 75%+ in Bihar Board Class 12th Exam is completely achievable.
Stay consistent, revise regularly, and trust CareerFi.in for exam success.

