BPSC ASO Syllabus 2025 Subject Wise, Exam Pattern

BPSC ASO Syllabus 2025: The Bihar Public Service Commission has released the detailed syllabus and exam pattern for the Assistant Section Officer recruitment 2025. With 41 vacancies announced, aspirants must familiarize themselves with the latest syllabus for both Prelims and Mains to improve their chances of selection. This page provides a comprehensive overview of the BPSC ASO Syllabus 2025.

BPSC ASO Syllabus 2025

The BPSC ASO selection process consists of two major stages: the Preliminary Exam and the Main Exam. The Prelims tests the candidate’s foundational knowledge, while the Mains includes an additional Hindi language paper. Understanding the BPSC ASO subject wise syllabus and exam pattern is very important for the preparation and success.

BPSC ASO Syllabus 2025 Overview

Before diving into the detailed syllabus of BPSC ASO 2025, here is an overview of the BPSC ASO exam structure for 2025:

BPSC ASO Syllabus 2025 Subject Wise 

The syllabus for Prelims and Mains is almost similar, except for the addition of General Hindi in the Mains. Below is the subject wise syllabus breakdown for both exam stages.

Prelims Syllabus

Here is the detailed subject wise prelims syllabus for BPSC ASO 2025: 

• General Studies 

The syllabus includes important subjects like Indian History, Geography, Polity, and Economy. It also covers current affairs at both national and international levels. Special focus is given to Bihar-specific topics such as its culture, history, geography, and economy. Environmental Studies is also an important part of the syllabus.

• General Science & Mathematics

The syllabus also includes basic concepts from Physics, Chemistry, and Biology. In Arithmetic, topics like Number System, HCF & LCM, Ratio and Proportion, Percentage, Profit and Loss, Simple and Compound Interest, Time and Work, Time and Distance, Average, Mensuration, Algebra, Geometry, and Statistics are covered. These subjects test the candidate’s understanding of basic science and mathematical skills.

• Mental Ability Test 

The syllabus also covers Logical Reasoning and Analytical Ability, which include topics like Series, Coding-Decoding, Analogies, and Classification. Other important areas are Blood Relations, Directions, Syllogism, and Data Interpretation. These topics help test a candidate’s thinking ability and problem-solving skills.

Mains Syllabus

Here is the detailed subject wise mains syllabus for BPSC ASO 2025: 

• Paper 1: General Hindi (सामान्य हिन्दी)

The questions are based on the Matric, Secondary level syllabus of the Bihar Board. The Hindi section includes Grammar topics like Sentence, Subordinate Clause, Phrase, Word, Letter and Visarga, Sandhi, Noun, Number, Pronoun, Adjective, and Adverb. The vocabulary part covers Synonyms, Antonyms, and common Hindi sayings and idioms. It also tests comprehension and the ability to express ideas clearly and correctly in Hindi.

• Paper 2

The syllabus for the Mains exam includes General Studies, General Science and Mathematics, and Mental Ability Test, all of which follow the same topics as covered in the Prelims exam. This ensures continuity and deeper understanding of the subjects already introduced in the first stage.

BPSC ASO Exam Pattern 2025

The BPSC ASO exam pattern is designed to test the comprehensive abilities of candidates through objective-type questions. Here’s a detailed look at the pattern for both stages:

• Prelims Exam Pattern

The BPSC ASO Prelims Exam Pattern 2025 is designed to assess candidates' general knowledge and analytical abilities.The exam consists of 150 multiple-choice questions, each carrying 1 mark, covering subjects like General Studies, General Science & Mathematics, and Mental Ability. The total duration is 2 hours and 15 minutes, with a negative marking of 1/4 mark for each incorrect answer. Here are the details in table below: 

•  Mains Exam Pattern

The BPSC ASO Mains Exam Pattern 2025 outlines the structure of the written exam for candidates who clear the prelims. It includes detailed subjects and marks distribution to assess candidates’ in-depth knowledge and analytical skills. 

Paper 1: General Hindi

Paper 2: General Knowledge, Science & Maths, Mental Ability