The Chemistry Paper II of the Combined Geo-Scientist (Main) Examination 2025 is now available for candidates who want to review the actual questions asked in the exam. Conducted by the Union Public Service Commission, this paper is a key resource for aspirants specialising in Chemistry. It reflects the level of depth, analytical ability, and subject command expected by UPSC in the Main examination stage.
I am writing about this question paper because analysing UPSC’s own papers is one of the most effective ways to prepare smartly. Many aspirants spend months studying the syllabus but do not spend enough time understanding how UPSC frames questions. Chemistry Paper II, in particular, helps candidates identify important focus areas and understand how theoretical knowledge is tested in a descriptive format.
About the Combined Geo-Scientist (Main) Examination 2025
The Combined Geo-Scientist Examination is conducted annually to recruit officers for various scientific services under the Government of India. The Main examination is descriptive in nature and is meant to assess subject expertise, clarity of thought, and answer-writing ability.
For Chemistry candidates, Paper II carries significant weight and often tests advanced concepts and applied understanding from the syllabus.
Chemistry Paper II Exam Pattern
Chemistry Paper II is designed to evaluate higher-level understanding of the subject. The paper requires candidates to write detailed, well-structured answers within a limited time.
Key features of the paper include:
- Descriptive and analytical questions
- Focus on advanced and application-based topics
- Requirement of clear explanations and logical presentation
- Emphasis on conceptual clarity rather than rote learning
Why Chemistry Paper II Question Paper Is Important
From my experience following UPSC preparation trends, Chemistry Paper II is crucial for candidates aiming for higher scores. Studying this paper helps aspirants:
- Understand the depth of answers expected by UPSC
- Identify high-weightage and frequently asked topics
- Improve answer structure and presentation
- Align preparation with actual exam demands
It also helps candidates avoid spending time on less relevant areas.
How to Download Chemistry Paper II Question Paper
Candidates can download the official Chemistry Paper II question paper by following these steps:
- Visit the official UPSC website
- Go to the “Examinations” section
- Click on “Previous Question Papers”
- Select Combined Geo-Scientist (Main) Examination, 2025
- Choose Chemistry Paper – II
- Download and save the PDF
N.B: If you want to download the question paper without any difficulty, you can easily download it by Click Here.
Keeping a copy of the paper is useful for revision and practice.


















