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UPSC Prelims mock test: GS Paper I and CSAT
The Civil Services Preliminary Examination, conducted by the Union Public Service Commission (UPSC), is the first stage for the IAS, IPS, IFS and other services. Practise GS Paper I and CSAT in the real pattern, including UPSC-style statement and match-the-following questions.
UPSC Prelims exam pattern and marking
Our mock test uses this pattern, timer and negative marking. Always confirm in the latest official notice.
UPSC Prelims · GS Paper I
- Duration
- 2 hours
- Questions
- 100
- Total marks
- 200
- Marking
- +2 for a correct answer, −0.66 for a wrong answer
| Section | Questions |
|---|---|
| General Studies | 100 |
One-third of the marks is deducted for each wrong answer.
UPSC Prelims · CSAT (Paper II)
- Duration
- 2 hours
- Questions
- 80
- Total marks
- 200
- Marking
- +2.5 for a correct answer, −0.83 for a wrong answer
| Section | Questions |
|---|---|
| CSAT | 80 |
Qualifying paper: you need 33% to qualify.
How to practise UPSC Prelims on Student AI Hub
- Create a free account. You get 100 credits when you join and 30 more every day. No card needed.
- Open Mock tests and choose UPSC Prelims. Take the full paper or one section, on a screen with the countdown timer, question palette, Mark for Review and sectional timing where the exam uses it.
- Choose your questions. Take a free sample test, upload or paste a previous paper, or let AI write a fresh paper in the UPSC Prelims pattern (a full paper written by Claude costs 80 credits, on every plan).
- Learn from your mistakes. See section-wise scores and every wrong or skipped question, and ask the AI to explain it step by step in English, Hindi or Hinglish.
Latest official UPSC Prelims notices
Collected from the official website and checked about every 45 minutes. All exam notifications
- Written Result: National Defence Academy and Naval Academy Examination (II), 2026New
- Notice: 74 Posts of Assistant Provident Fund Commissioner, EPFO
- Notice: 16 Posts of Senior Veterinary Officer, Andaman and Nicobar Administration
- Rectt. Test: 02 posts of Assistant Director Grade-I (IEDS) (Chemical) in Ministry of MSME
- Interview Schedule: Combined Medical Services Examination, 2026
- Advertisement No.12 - 2026
- Notice regarding change in recruitment process for six (06) posts advertised vide Advt. No. 13-2025
- Clarification for the post of Assistant Public Prosecutor in Delhi, vide Advt. No. 11 - 2026
Official UPSC Prelims links
Syllabus, notifications, admit cards and results come only from the official website.
Start your UPSC Prelims practice today
Free to start: 100 credits when you join, plus 30 every day.
UPSC Prelims mock test: questions
Is the UPSC Prelims mock test really free?
Yes. Create a free account and you get 100 credits when you join plus 30 every day. You can take a free sample test, upload or paste a previous paper and take it as a timed test, or have AI write fresh questions in the UPSC Prelims pattern.
What is the UPSC Prelims exam pattern and marking scheme?
UPSC Prelims · GS Paper I: 100 questions, 120 minutes, 200 marks. Marking: +2 for a correct answer, −0.66 for a wrong answer. One-third of the marks is deducted for each wrong answer.
Can AI write a full UPSC Prelims mock paper?
Yes. A full AI mock paper written by Claude costs 80 credits and is available on every plan, including Free. At most 30 of those credits can come from your daily credits, and you always see the cost and confirm before anything is spent.
Where can I find official UPSC Prelims previous year papers?
Use the official links on this page: they open the exam body's own previous paper archive. We never host pirated PDFs.