How Many Subjects in UPSC Prelims?

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How Many Subjects in UPSC Prelims?

The Union Public Service Commission conducts the UPSC Civil Services Exam in three different stages which are Prelims, Mains and Interview. UPSC prelims exam is the first written exam which is mandatory to pass for appearing in the Mains exam. It is mandatory that candidates have all the information about the first written examination including how many subjects are in UPSC prelims and more.

Every year more than 2 lakh students appear for the prelims exam. The major purpose of the prelims exam is to test the basic knowledge of candidates and filter serious aspirants for the mains exam. In this blog, we will help you to understand the Prelims exam, its subjects and important topics.

UPSC Prelims Subjects

There are two subjects in the UPSC prelims exam which are General Science Paper 1 and General Science Paper 2. GS Paper II is also known as CSAT or Civil Services Aptitude Test. All the questions in the prelims exam are MCQ (Multiple Choice Questions) that test the knowledge of candidates related to GK, General Science, Current Affairs and other topics.  Below, we have mentioned a table to help you understand info related to subjects in UPSC Prelims.

Exam NameUPSC Prelims Exam
How Many Subjects in UPSC PrelimsGS Paper 1GS Paper 2 (CSAT)
Question TypeMCQs
Exam Duration2 Hours for Each Paper
Total Marks200 Marks for Each Paper
Language Exam Hindi and English
UPSC Exam Date 2024 for Prelims26 May 2024

Must Read: How Many Questions in UPSC Prelims?

GS Paper 1

The first paper of the Union Public Service Exam Prelims Exam is the General Studies 1 or  GS-1. It tests knowledge of students related to Geography, History, Art and culture, and more. Below, we have added important topics of this subject.

Latest Current Affairs
General Knowledge
Indian and World GeographyPhysical Geography
Social Geography
Economic Geography
History of India and Indian National Movement 
Indian Polity and GovernanceConstitution
Public Policy Rights
Political System
Rights Issues
Panchayati Raj
Economic and Social DevelopmentSustainable Development
Poverty Inclusion
Social Sector Initiatives
Environment and EcologyBiodiversityClimate Change
Science and Technology

GS Paper 2

To test the reasoning ability, UPSC sets GS Paper 2. Below, we have mentioned the table to make you understand important topics of UPSC GS Paper 2.

  • Comprehension
  • Interpersonal skills 
  • Communication skills
  • Logical reasoning and analytical ability
  • Decision-making and problem-solving
  • General mental ability


What are the two main subjects in UPSC Prelims Exam?

GS Paper 1 and GS Paper 2 are the two main subjects in UPSC Prelims Exam. GS PAper 2 is also known as Civil Services Aptitude Test. 

What are the important topics of UPSC GS Paper 1?

We have mentioned the important topics of UPSC GS Paper 1.
1. Current Affairs
2. General Knowledge
3. Science and Technology and more.

What is the total number of questions in UPSC Prelims Exam?

The total number of questions in the UPSC Prelims exam is 180 which includes 100 in Paper 1 and 80 in GS Paper 2.

For more interesting blogs on UPSC Mains do check out the Indian Exams of Leverage Edu!

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