OPSC OAS (Odisha Administrative Service) — Free Online Mock Test
Odisha Administrative Service · State Civil Services Prelims · GS Paper 1 (150 Q · 2h) + CSAT Paper 2 (100 Q · 2h). Negative 1/3. Polity, history, economy, current affairs, state-specific GK. · Official language: English & Hindi.
OPSC OAS exam at a glance
OPSC OAS full-length mock tests
Attempt 50 full-length OPSC OAS mock tests, each a distinct question set built on the real 250-question, 240-minute pattern — with instant scoring and section-wise analysis. The first 3 are free.
OPSC OAS key facts & eligibility
| Conducting body | The Odisha Public Service Commission (OPSC). |
|---|---|
| Official website | opsc.gov.in ↗ |
| Mode | A three-stage selection (Odisha Civil Services / OAS) — a Preliminary objective test (screening), a descriptive Mains, and an Interview. |
| Frequency | Notified when vacancies arise. |
| Scoring & marking | The Preliminary has two papers — General Studies Paper I (100 questions, 200 marks) and a CSAT/Aptitude Paper II (80 questions, 200 marks, qualifying at 33%) — each 3 hours, with 1/3 negative marking. It is a screening stage (Paper II marks do not count toward merit). The Mains is written, followed by an Interview. |
| Score validity | Each recruitment cycle is separate; qualifying applies to that notification. |
| Language | Odia and English. |
Who is eligible for OPSC OAS?
A degree from a recognised university; candidates must also have passed Odia as a language subject (around Class VII / Middle-English standard). Age criteria apply, with category relaxations.
Last verified July 2026 against OPSC — official website. Always confirm current details on the official website before you register.
OPSC OAS section breakdown
The OPSC OAS mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.
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General Studies (150 Q)
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CSAT (100 Q)
OPSC OAS scoring & marking scheme
Strategy: OPSC OAS penalises wrong answers (-0.66 per mistake). Skip a question if you cannot eliminate at least 2 options — guessing blindly hurts your scaled score more than blanking.
Scale: OPSC OAS Prelims.
How OPSC OAS is conducted
- Mode
- Test format
- Backtracking
- Mark for review
OPSC OAS time strategy
With 250 questions in 240 minutes, you have about 58 seconds per question on average. Successful candidates aim for the following pacing on each section:
- General Studies (150 Q)
- CSAT (100 Q)
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
OPSC OAS topics covered
Across the 50 Wrexa Edge variants of OPSC OAS, the following topics appear most often (sample distribution from one variant):
General Studies (150 Q)
- Indian Polity · 40
- Indian History · 35
- Current Affairs 2023-2025 · 30
- General Knowledge · 25
- Banking & Economy · 20
CSAT (100 Q)
- Reading — Vaccines · 6
- Reading — Neural Networks · 5
- Reading — Plate Tectonics · 5
- Reading — Photosynthesis · 5
- Reading — Trade History · 4
- Reading — Industrialisation · 4
- Reading — Marine Biology · 3
- Reading — Stoicism · 3
OPSC OAS difficulty calibration
Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.
Odisha Administrative Service · State Civil Services Prelims · GS Paper 1 (150 Q · 2h) + CSAT Paper 2 (100 Q · 2h). Negative 1/3. Polity, history, economy, current affairs, state-specific GK. · Official language: English & Hindi.
Verified content — Wrexa Edge's OPSC OAS bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for OPSC OAS
- Real test-day interface
- 50 distinct variants
- Detailed analytics
- Spaced repetition (Notebook)
- Optional proctoring
- Free to start
Expert take: what OPSC OAS really tests
OPSC OAS mirrors the UPSC pattern closely — a GS Paper I that counts for screening plus a qualifying CSAT Paper II (33%), then a written Mains and interview — with 1/3 negative marking in Prelims. It has one requirement candidates sometimes overlook: you must have passed Odia as a language subject to be eligible, so confirming that, alongside strong Odisha-specific GK, is part of a complete plan.
Preparation tips
- Confirm the Odia-language eligibility requirement early.
- Focus GS Paper I for screening; clear CSAT Paper II (33% qualifying).
- Study Odisha-specific GK heavily and mind the 1/3 negative marking.
Common mistakes to avoid
- Overlooking the Odia-language requirement for eligibility.
- Over-investing in CSAT beyond the qualifying mark instead of GS depth.
OPSC OAS study plan
A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.
- Build the GS base from state-board textbooks and NCERTs
- Study Odisha history, geography and polity (heavily weighted)
- Ensure the Odia-language requirement is met and start current affairs
- Prepare Paper I (GS) for merit and clear CSAT Paper II (qualifying at 33%)
- Solve OPSC OAS previous-year papers and take sectional tests
- Mind the 1/3 negative marking
- Practise descriptive answer-writing for the Mains papers
- Deepen Odisha-specific and GS content
- Prepare for the interview around your background and Odisha affairs
Where OPSC OAS can take you
A strong OPSC OAS result opens up these careers and higher-study paths:
- Odisha Administrative Service
- Deputy Collector
- State government posts
- Public administration career
Best books & official prep for OPSC OAS
- Odisha state-board textbooks + NCERTs — Various
- Odisha-specific GK — Various
- General Studies & CSAT practice — Various
- OPSC OAS previous-year papers — OPSC
Official practice: OPSC publishes the syllabus and notifications; Odisha-specific GK is the highest-yield area, and mind the Odia-language requirement and 1/3 negative marking.
Previous-year papers: OPSC releases past papers — the closest guide to the real exam.
Frequently asked questions
- What is the OPSC OAS exam pattern?
- Odisha Administrative Service contains 250 questions across 2 sections: General Studies (150 Q), CSAT (100 Q). Total duration is 240 minutes (about 58 seconds per question).
- Does OPSC OAS have negative marking?
- Yes — OPSC OAS carries negative marking of -0.66 per wrong answer and 2 per correct answer. Skipping is safer than guessing blindly.
- How is OPSC OAS scored?
- Scaled score range: 0 to 400. OPSC OAS Prelims.
- How can I practise OPSC OAS online for free?
- Wrexa Edge gives you 3 free full-length OPSC OAS mock tests — with instant scoring, detailed explanations and analytics — plus 47 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of OPSC OAS?
- OPSC OAS is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. Odisha Administrative Service · State Civil Services Prelims · GS Paper 1 (150 Q · 2h) + CSAT Paper 2 (100 Q · 2h). Negative 1/3. Polity, history, economy, current affairs, state-specific GK. · Official language: English & Hindi.
- How long is the OPSC OAS exam?
- OPSC OAS runs for 240 minutes total across 2 sections. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in OPSC OAS?
- OPSC OAS is split into: General Studies (150 Q), CSAT (100 Q). Each section is timed and weighted separately. Odisha Administrative Service · State Civil Services Prelims · GS Paper 1 (150 Q · 2h) + CSAT Paper 2 (100 Q · 2h). Negative 1/3. Polity, history, economy, current affairs, state-specific GK. · Official language: English & Hindi.
- What tools or aids are allowed during OPSC OAS?
- No special tools are required.
- Is the OPSC OAS test adaptive?
- No — OPSC OAS is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many OPSC OAS mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct OPSC OAS variants — each with different question content, not just shuffled options — the first 3 free for everyone and 47 more with Pro. That's 12500 unique practice questions in the real test-day interface.
- Is there a free OPSC OAS test series 2026?
- Yes. The Wrexa Edge OPSC OAS test series for 2026 gives you 3 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are OPSC OAS previous year question–style papers included?
- Every OPSC OAS mock is modelled on the official exam pattern and the style of previous years' papers — the same 250-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free OPSC OAS mock test online?
- Wrexa Edge's OPSC OAS mock test replicates the real exam interface, timing and negative marking, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
- Can I take the OPSC OAS mock test on mobile?
- Yes. OPSC OAS mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
- What is the OPSC OAS syllabus?
- The OPSC OAS syllabus maps to its 2 sections: General Studies (150 Q), CSAT (100 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
- What is the eligibility for OPSC OAS?
- A degree from a recognised university; candidates must also have passed Odia as a language subject (around Class VII / Middle-English standard). Age criteria apply, with category relaxations. Wrexa Edge focuses on realistic OPSC OAS practice: 3 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the OPSC OAS exam and how should I prepare?
- Official OPSC OAS exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 3 free OPSC OAS mocks with instant scoring so you can track your readiness week by week.
- Who conducts OPSC OAS and which state is it for?
- OPSC OAS is conducted by the Odisha Public Service Commission (OPSC) for recruitment to posts in the Odisha state government. The official exam is held in Odia and English, and Wrexa Edge's OPSC OAS mock test gives you free English-medium practice on the exact Odisha exam pattern with instant scoring.
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