GS Paper 1 is the only Prelims paper that counts towards your merit — CSAT merely qualifies. At +2 and −0.67 a wrong answer costs a third of a right one, which makes selective guessing viable in a way it isn't in exams with heavier penalties.
Questions
100
Total marks
200
Marking
+2 correct, −0.67 incorrect
Duration
2 hours
Because the penalty is one third of a mark rather than a full one, eliminating even one option before guessing usually turns a guess positive on expectation. That is worth practising deliberately.
Topics covered
Indian history and the national movement
Indian and world geography
Constitution, polity, governance and rights
Economic and social development
Environment, biodiversity and climate change
General science and current events
Sample questions with worked solutions
These short examples show the style of reasoning used in the simulator. They are illustrative and are not a full practice paper.
Sample 1. Which Article of the Constitution of India guarantees the right to move the Supreme Court for enforcement of Fundamental Rights?
Article 14
Article 19
Article 21
Article 32
Show answer and solution
D — Article 32
Article 32 provides the right to constitutional remedies and empowers the Supreme Court to issue writs for enforcement of Fundamental Rights.
Sample 2. The Finance Commission of India is constituted under which Article of the Constitution?
Article 263
Article 280
Article 324
Article 356
Show answer and solution
B — Article 280
Article 280 requires the President to constitute a Finance Commission, ordinarily every five years, to recommend distribution of financial resources between the Union and the states.
Sample 3. A Money Bill in the Parliament of India can be introduced only in which House?
Lok Sabha
Rajya Sabha
Either House
A joint sitting
Show answer and solution
A — Lok Sabha
A Money Bill can be introduced only in the Lok Sabha and only on the President's recommendation. The Rajya Sabha may recommend changes but cannot amend or reject it.
Official source and review
Pattern information was reviewed against the UPSC active examinations on . Exam rules can change, so check the latest official information before booking or sitting an exam.
Questions candidates ask
Does UPSC Prelims GS Paper 1 count towards the final merit?
It decides whether you clear Prelims, but Prelims marks do not carry into the final ranking — that comes from Mains and the interview. CSAT is qualifying only.
What is the negative marking in UPSC Prelims?
One third of the marks allotted to a question, so −0.67 against +2 in GS Paper 1.
How many questions are in the UPSC GS mock test?
100 questions worth 200 marks, matching the real Paper 1.