Most Important Topics for 72nd BPSC Prelims 2026: Subject Wise

Preparing smartly for the 72nd BPSC Prelims requires a clear understanding of high-priority topics that consistently carry maximum weight. This analysis presents a strategic roadmap based on trends observed over the last 5–7 years, helping aspirants focus on areas that frequently generate questions.

Since the exam consists of 150 objective questions with one mark each and a 1/3rd negative marking, accuracy becomes as important as coverage. By concentrating on proven scoring sections and avoiding unnecessary distractions, candidates can streamline their preparation, manage time effectively, and significantly improve their chances of clearing the preliminary stage with confidence.

Most Important Topics for 72nd BPSC Prelims 2026

Most Important Topics for 72nd BPSC Prelims 2026 are listed below to help you concentrate on high-yield sections based on recent exam trends. 

These topics are selected after analyzing previous year questions and recurring patterns. Check the detailed list below to prioritize your preparation, improve accuracy, and maximize your score in the Prelims examination. 

Core Subjects Analysis: The 100-Question Block

Analysis of past papers indicates that approximately 100 out of 150 questions consistently originate from four major subject areas. Mastering these four subjects is critical for a strong Prelims score.

The Four Core Subjects are:

1. History: Approximately 20-25 questions.

2. Science (including Science & Tech): Approximately 30 questions.

3. Current Affairs: Approximately 30 questions.

4. Bihar Special (including Bihar Current Affairs): Approximately 20 questions.

Strong command in these areas significantly aids in clearing the preliminary examination.

Check: BPSC Previous Year Question Papers

Detailed Subject-Wise Topic Prioritization

Detailed Subject-Wise Topic Prioritization from BPSC Syllabus is provided below to help you identify the most important areas within each subject. The list highlights high-weightage and frequently asked topics. Check the section below to organize your preparation effectively and focus on scoring areas.

1. History

History is a high-yield subject, with a significant emphasis on Modern History, particularly events from the 20th century.

A. Modern History: The Highest Priority Area

A significant number of questions stem from the period between 1926 and 1947, requiring exhaustive study.

Key Topics for Modern History:

• The Gandhian Era (Post-1926): A hot topic. Focus on events like the Irwin Pact, Poona Pact, Round Table Conferences, and Civil Disobedience Movement.

• Books and Authors: Questions on historical books and their authors appear almost every year, requiring detailed study and memorization (e.g., Gulamgiri by Jyotiba Phule).

• Acts and Regulations: Include all major constitutional and administrative acts, such as the Charter Acts.

• Congress Sessions & Governor Generals: Foundational topics, often tested with chronological event arrangement.

• The 1857 Revolution: A hot topic, focusing on regional aspects and events within Bihar. Questions can be statement-based, demanding deeper knowledge.

• Religious and Social Reform Movements.

• Major Anglo-Indian Wars: For Maratha, Mysore, Bengal, and Punjab wars, focus on dates, the Governor-General, and key treaties (e.g., Treaty of Srirangapatnam, Treaty of Salbai, Treaty of Lahore).

• Tribal and Peasant Movements: Important due to consistent factual questions, especially movements in Bihar and Jharkhand.

B. Ancient History

Studying the Ancient History of Bihar covers a substantial part of this section.

Key Topics for Ancient History:

• Jainism and Buddhism.

• Mauryan Empire.

• Sangam Era (focus on books, authors, and assemblies).

• Note: Harappan Civilization and Stone Age are lower frequency, but know Bihar-specific sites like Chirand for the latter.

C. Medieval History & South Indian History

This section yields fewer questions. A standard source like Lucent's General Knowledge is generally sufficient for covering essential points.

Key Topics to Cover for Medieval History:

• Delhi Sultanate & Mughals: Focus on books, foreign travelers, and chronological order of dynasties.

• Marathas: Review Shivaji's administration and key events.

• South India: Briefly review main dynasties (Rashtrakuta, Chola, Chalukya), their founders, and prominent kings.

2. Geography

Geography accounts for approximately 14-16 questions, including Bihar Geography, with a strong emphasis on Indian Geography and Mapping.

A. Indian Geography: The Core Focus

• River Systems: A very, very, very important (VVI) topic. Consistently asked questions also cover Multipurpose Projects, Canals, Lakes, and Waterfalls.

• India's Location (Latitude & Longitude): BPSC consistently asks questions, particularly on the Tropic of Cancer.

• Minerals and Industry.

• Mountains of India.

• Soils of India.

• Transportation: Often linked to current affairs.

• Tribes: Historically high-yield, though less frequent recently.

B. World Geography (Mapping)

Mapping is crucial for Geography, International Relations, Current Affairs, and History. Focus on world maps to understand complex, statement-based questions.

Most Frequently Asked Features:

• Lakes (most important).

• Rivers.

C. Physical Geography

This is a lower priority compared to Indian and World Geography.

Key Topics:

• Landforms: A key chapter (e.g., four questions from this in one re-exam).

• Global Winds.

• Ocean Currents.

• Solar System & Atmosphere.

D. Environment

BPSC has not deeply tested this section yet.

Key Topics:

• Major environmental conferences, treaties, and agreements.

• Pollution.

• Biosphere Reserves.

• Vegetation.

3. Polity

Polity is a scoring subject with predictable question patterns.

Key Topics for Polity:

• Fundamental Rights, Fundamental Duties, and DPSP.

• The President.

• Important Articles and Amendments: Focus on repeatedly asked ones.

• Election Commission: An important body.

• Panchayati Raj.

• Sources of the Constitution, Parts, and Schedules.

• Supreme Court and High Courts.

• Legislative Council and Rajya Sabha.

• Constitutional and Non-Constitutional Bodies.

4. Economy

The economy section is largely driven by current affairs, with limited static weight.

Key Topics for Economy:

• Static Portion:

• Five Year Plans (most important).

• RBI (Reserve Bank of India).

• Basic Concepts: GDP, GNP, etc.

• Poverty (committees and reports).

• Unemployment.

• Current Affairs Portion:

• Union and State Budgets.

• Government Schemes.

• India's ranking in various global indices.

• Data related to poverty, growth.

5. Science

Science is a critical, high-scoring section with a stable weightage of 30 questions. A recent trend shows that BPSC questions are directly from NCERT textbooks, including numerical problems, making NCERT study essential.

Comparative Structure: Science Subject Weightage in BPSC

Unlike other state exams, BPSC gives significant weightage to Physics.

A. Physics

• Units and Measurements: A VVI topic requiring thorough memorization.

• Mechanics: High-yield area (Force, Gravity, Momentum).

• Heat and Temperature.

• Light.

• Waves and Sound.

• Key Scientific Laws (e.g., Newton's Laws).

• Scientific Instruments and Discoveries.

• Note: Electricity is less frequently asked.

B. Chemistry

• Metals and their Ores (formulas can also be asked).

• Alloys (Mishra Dhatu).

• Explosives and other important man-made materials.

C. Biology

• Diseases.

• Nutrition and Vitamins.

• Animal and Plant Kingdoms.

• Human Body Systems.

D. Science and Technology

This section is heavily current affairs-based. Focus on recent technologies, missions, and discoveries.

6. Current Affairs

This is a dynamic and high-weightage section.

Key Areas of Focus:

• Important Appointments: Cabinet ministers, foreign heads of state.

• Official Visits: By the Indian President or Prime Minister.

• Major Awards: Nobel Prizes, sports awards.

• Military Exercises.

• Indexes and Reports.

• Committees and Commissions.

• Summits and Conferences.

• New Government Schemes.

• Science & Technology News.

• Special Emphasis: Events, appointments, or achievements involving prominent female figures.

7. Bihar Special

Mastering Bihar's history and geography is central to Bihar Special preparation.

Key Areas of Focus for Bihar Special:

• History of Bihar:

• Ancient: Maurya, Buddha, and Jainism related history.

• Medieval: Sher Shah Suri.

• Modern: The 1857 Revolution in Bihar and Bihar's role in the National Movement.

• Geography of Bihar:

• Rivers (most important).

• Soils.

• Minerals.

• Note: Questions on mountains are infrequent.

Culture: Fairs and festivals.

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