The BPSC ASO Mock Test at SarkariExam Center gives you 150 questions in 2 hours 15 minutes for Prelims and 2 full Mains papers, matching the exact Bihar Public Service Commission (BPSC) Assistant Section Officer exam pattern. Practice free, score instantly, and clear both stages in your first attempt.
BPSC ASO Exam Pattern – Prelims and Mains Overview
This BPSC ASO recruitment runs in 2 stages. The Prelims is a screening test and the Mains decides the final merit list.
| Detail | Prelims | Mains Paper 1 | Mains Paper 2 |
|---|---|---|---|
| Type | Objective MCQ | Objective MCQ | Objective MCQ |
| Total Questions | 150 | 100 | 150 |
| Duration | 2 hrs 15 mins | 2 hrs 15 mins | 2 hrs 15 mins |
| Negative Marking | No | No | No |
| Marks Per Question | 1 mark | 1 mark | 1 mark |
| Language | Hindi and English | Hindi only | Hindi and English |
| Minimum to Qualify | 30% (45 marks) | As per merit | As per merit |
| Nature | Qualifying stage | Marks count for final merit | |
Important: Scoring below 30% in Prelims means Paper 2 of Mains will not be evaluated and you will be disqualified from the process.
BPSC ASO Prelims – Section-Wise Marks Distribution
The Prelims paper has 3 sections with 50 questions each. All 3 sections carry equal weight.
| Section | Questions | Marks | Level |
|---|---|---|---|
| General Studies | 50 | 50 | Graduate level |
| General Science and Mathematics | 50 | 50 | Matric (Class 10) level |
| Mental Ability | 50 | 50 | Graduate level |
| Total | 150 | 150 | 2 hrs 15 mins |
BPSC ASO Mains – Open Book Exam Rules
The BPSC ASO Mains is an open book examination. Candidates can bring textbooks with strict conditions.
- Allowed: 1 textbook per section – maximum 3 books total
- Permitted book types: NCERT, BSEB, ICSE, and other board textbooks only
- Not allowed: Guides, photocopies of books, and handwritten notes
- Candidates must write their name and roll number on every permitted book
- Exchanging books in the examination hall is strictly prohibited
- English version of questions prevails in case of any Hindi-English discrepancy
BPSC ASO Syllabus – Subject-Wise Topic Breakdown
Every BPSC ASO mock test question on SarkariExam Center maps to the official BPSC syllabus topics below.
A. General Studies (Prelims – 50 Questions and Mains Paper 2)
- Current affairs – scientific developments, national and international awards
- Indian languages, books, sports and athletes, and important events
- Indian history – ancient, medieval, and modern India
- Indian independence movement – major events and leaders
- Bihar-specific topics – history, culture, geography, and economy of Bihar
- Indian geography – physical features, climate, natural resources, and minerals
- Indian Constitution – fundamental rights, Panchayati Raj, and governance
- Indian economy – Five-Year Plans, agriculture, banking, and development programmes
- India’s neighbouring countries – history, culture, and economic scenario
- Environmental studies – ecology and conservation basics
B. General Science and Mathematics (Prelims – 50 Questions and Mains Paper 2)
General Science (Matric Level – NCERT)
- Physics – motion, force, energy, light, sound, and electricity
- Chemistry – elements, compounds, acids, bases, salts, and chemical reactions
- Biology – human body systems, diseases, nutrition, and reproduction
- Geography – Earth’s structure, atmosphere, and natural phenomena
Mathematics (Matric Level)
- Number system, HCF, and LCM
- Fractions, decimals, and computation of whole numbers
- Percentage, ratio, and proportion
- Average and simple problems on profit and loss
- Simple and compound interest
- Time and work, and time and distance
- Mensuration – area, perimeter, volume
- Algebra – linear equations
- Geometry – lines, angles, triangles, and circles
- Statistics – mean, median, mode, and probability basics
Mental Ability (Prelims – 50 Questions and Mains Paper 2)
- Analogies – verbal and non-verbal
- Similarities, differences, and classification
- Series completion – numbers and letters
- Coding-decoding
- Spatial visualisation and spatial orientation
- Visual memory and observation
- Problem solving and analysis
- Arithmetic reasoning and number series
- Logical reasoning – statements and conclusions
- Data interpretation – tables, graphs, and charts
- Relationship concepts – blood relations
- Direction sense and ranking
General Hindi (Mains Paper 1 – 100 Questions, Hindi Medium Only)
- Sentence – types and structure
- Subordinate clause and phrase (upaavakya and padarth)
- Word, letter (akshar), and Visarga
- Sandhi – vowel, consonant, and Visarga Sandhi
- Noun (sangya), number (vachan), and gender (ling)
- Pronoun (sarvanaam) and its types
- Adjective (visheshan) and adverb (kriyavishheshan)
- Synonyms (paryayvachi) and antonyms (vilom)
- Hindi idioms and proverbs (muhavare and kahavate)
- Hindi comprehension and clear expression of ideas
- Bihar Board (BSEB) Matric level Hindi grammar
BPSC ASO Selection Process – 2 Stages
- Preliminary Examination: 150 MCQs, 150 marks, 2 hours 15 minutes – qualifying stage. Minimum 30% required. No negative marking.
- Main Examination: 2 papers, 2 hours 15 minutes each, open book format. Final merit list is based on Mains marks only.
Candidates who clear Prelims receive a separate invitation to apply for Mains. Any mismatch between Prelims and Mains application information may lead to disqualification.
BPSC ASO Eligibility and Salary
- Education: Graduate degree from a recognised university
- Age: 21 to 37 years
- Age relaxation: As per Bihar government rules for SC, ST, OBC, PwD, and female candidates
- Salary: Pay Level 7, Rs. 44,900 to Rs. 1,42,400
- Post: Class 3 administrative post under the Bihar government
How to Attempt BPSC ASO Mock Test on SarkariExam Center
- Click the Start button on this page – no registration needed.
- Select Prelims or Mains Paper 1 (Hindi) or Mains Paper 2 based on your stage.
- Attempt all questions within the 2 hours 15 minutes timer.
- Attempt every question – there is zero negative marking in BPSC ASO.
- Submit and get your score instantly with section-wise analysis and correct answers.
Why No Negative Marking Changes Your BPSC ASO Mock Test Strategy
- Attempt all 150 Prelims questions without skipping any – wrong answers cost nothing
- Focus on speed in mock tests – 2 hours 15 minutes for 150 questions gives 54 seconds per question
- Target 90+ in mock tests to stay well above the 45-mark (30%) qualifying cut-off for Prelims
- For Mains, practice open-book speed – bring the right NCERT or BSEB textbooks and know which page covers each topic
- Bihar-specific GK topics like Bihar history, culture, and economy appear every exam – prioritise them in mock test review
BPSC ASO Mock Test – Frequently Asked Questions
BPSC ASO Prelims has 150 MCQ questions for 150 marks. The 3 sections are General Studies (50), General Science and Mathematics (50), and Mental Ability (50). Duration is 2 hours 15 minutes with no negative marking.
No. There is no negative marking in either the BPSC ASO Prelims or Mains examination. Attempt every question without any risk of losing marks.
Yes. BPSC ASO Mains is an open book exam. Candidates can bring 1 textbook per section (maximum 3 books). Only NCERT, BSEB, or ICSE board textbooks are allowed. Guides and handwritten notes are not permitted.
Candidates must score minimum 30% marks (45 out of 150) in the BPSC ASO Prelims. Scoring below 30% means your Mains Paper 2 will not be evaluated and you will be disqualified.
The BPSC ASO salary is at Pay Level 7 with a pay scale of Rs. 44,900 to Rs. 1,42,400 as per the Bihar government pay matrix.
