The UPSC Combined Geo-Scientist Preliminary Answer Key 2026 allows candidates to check the officially accepted answers for their respective papers. The General Studies and Geophysics answer-key PDFs each contain four pages, with a separate answer table for every question-paper series. According to the documents, both papers contain 120 questions, with no questions dropped. The Commission had already declared the Preliminary Examination result on 2 March 2026 and the final Combined Geo-Scientist Examination result on 16 October 2026.
UPSC Combined Geo-Scientist Answer Key 2026 Download PDF
UPSC has uploaded the answer keys for four Preliminary Examination papers. Candidates can use the direct official links below to download the documents and check the correct answers according to their question-paper series.
| Question Paper | Download Link |
|---|---|
| General Studies Paper I Answer Key 2026 | Download Official PDF |
| Geophysics Paper II Answer Key 2026 | Download Official PDF |
| Geology / Hydrogeology Paper II Answer Key 2026 | Download Official PDF |
| Chemistry Paper II Answer Key 2026 | Download Official PDF |
UPSC Combined Geo-Scientist Answer Key 2026 Overview
The Combined Geo-Scientist Examination is conducted by UPSC for recruitment to various scientific and technical posts. The Preliminary Examination includes a common General Studies paper and a subject-specific second paper.
| Particulars | Details |
|---|---|
| Examination Authority | Union Public Service Commission (UPSC) |
| Examination Name | Combined Geo-Scientist (Preliminary) Examination 2026 |
| Notification Number | 01/2026-GEOL |
| Preliminary Exam Date | 8 February 2026 |
| Answer Key Release Date | 4 November 2026 |
| Answer Key Status | Released |
| Paper I | General Studies |
| Paper II Subjects | Geophysics, Geology/Hydrogeology and Chemistry |
| Available Series | A, B, C and D |
| Answer Key Mode | Online PDF |
| Preliminary Result Date | 2 March 2026 |
| Main Examination Dates | 20 and 21 June 2026 |
| Final Result Date | 16 October 2026 |
| Official Website | upsc.gov.in |
UPSC Combined Geo-Scientist Answer Key 2026 Important Dates
The Combined Geo-Scientist Preliminary Examination was conducted in February 2026, followed by the declaration of its written result in March. The Main Examination and subsequent recruitment stages were completed before UPSC uploaded the Preliminary Examination answer keys in November.
| Event | Date |
|---|---|
| Examination Notification | 3 September 2025 |
| Application Last Date | 23 September 2025 |
| Preliminary Examination | 8 February 2026 |
| Preliminary Written Result | 2 March 2026 |
| Main Examination | 20 and 21 June 2026 |
| Main Written Result | 20 July 2026 |
| Final Result Declaration | 16 October 2026 |
| Preliminary Answer Key Release | 4 November 2026 |
UPSC Combined Geo-Scientist General Studies Paper I Answer Key 2026
The UPSC Combined Geo-Scientist General Studies Paper I Answer Key 2026 is available for question-paper Series A, B, C and D. The official four-page PDF provides the correct answer options for each question.
The first page contains the Series A answers, while Pages 2, 3 and 4 contain Series B, C and D respectively. The PDF specifies a maximum of 100 marks and 120 questions taken for scoring.
| Particulars | Details |
|---|---|
| Examination | CGS(P) 2026 |
| Paper | Paper I |
| Subject | General Studies |
| Total Questions | 120 |
| Maximum Marks | 100 |
| Questions Dropped | 0 |
| Questions Taken for Scoring | 120 |
| Available Series | A, B, C, D |
| PDF Pages | 4 |
| Download Link | Download PDF |
UPSC Combined Geo-Scientist Geophysics Paper II Answer Key 2026
The UPSC Combined Geo-Scientist Geophysics Paper II Answer Key 2026 has been released for candidates who appeared in the Geophysics subject paper. The official PDF provides the accepted answers for 120 multiple-choice questions in each series.
The maximum marks for Geophysics Paper II are 300. The Commission has recorded zero dropped questions and has included all 120 questions for scoring.
| Particulars | Details |
|---|---|
| Examination | CGS(P) 2026 |
| Paper | Paper II |
| Subject | Geophysics |
| Total Questions | 120 |
| Maximum Marks | 300 |
| Questions Dropped | 0 |
| Questions Taken for Scoring | 120 |
| Available Series | A, B, C, D |
| PDF Pages | 4 |
| Download Link | Download PDF |
UPSC Combined Geo-Scientist Geology and Hydrogeology Answer Key 2026
UPSC has also published the Geology/Hydrogeology Paper II Answer Key 2026 for the Combined Geo-Scientist Preliminary Examination.
Candidates who appeared in the Geology/Hydrogeology subject can download the official answer-key document and check the answer options corresponding to their question-paper series.
Download UPSC Geology/Hydrogeology Paper II Answer Key 2026
UPSC Combined Geo-Scientist Chemistry Answer Key 2026
The UPSC Combined Geo-Scientist Chemistry Paper II Answer Key 2026 is available through the official examination page. UPSC has listed Chemistry as a separate Paper II subject.
Only Chemistry candidates should use this answer key for their subject-specific paper. They should also check the common General Studies Paper I answer key separately.
Download UPSC Chemistry Paper II Answer Key 2026
How to Download UPSC Combined Geo-Scientist Answer Key 2026?
Candidates can download the official Combined Geo-Scientist Preliminary Examination answer keys directly from the Union Public Service Commission website.
- Visit the official UPSC website at upsc.gov.in.
- Open the Examination section.
- Select the Answer Keys option or visit the Combined Geo-Scientist Preliminary Examination 2026 page.
- Find the answer-key entry uploaded on 4 November 2026.
- Select General Studies Paper I, Geophysics Paper II, Geology/Hydrogeology Paper II or Chemistry Paper II.
- Open the official PDF for the applicable paper.
- Locate your question-paper series: A, B, C or D.
- Compare the answers against the original question paper.
- Download and save the PDF for future reference.
Check UPSC Combined Geo-Scientist Preliminary Examination 2026 Official Page
UPSC Combined Geo-Scientist Answer Key 2026 - Questions and Marks
The General Studies and Geophysics answer-key documents provide different maximum marks despite containing the same number of questions. Candidates should check the scoring structure for their respective papers rather than assuming that all papers carry equal marks.
| Details | General Studies Paper I | Geophysics Paper II |
|---|---|---|
| Total Questions | 120 | 120 |
| Maximum Marks | 100 | 300 |
| Questions Dropped | 0 | 0 |
| Questions Taken for Scoring | 120 | 120 |
| Series Available | A, B, C, D | A, B, C, D |
The answer-key PDFs do not reproduce the entire marking and penalty rules. Candidates should refer to the official examination notification when estimating marks.
How to Check Answers Using UPSC CGS Answer Key 2026?
Candidates can compare the answer keys with their question papers to review the answers accepted by UPSC during the examination evaluation.
- Identify your paper and subject.
- Download the corresponding official answer-key PDF.
- Check the question-paper series.
- Open the correct series page.
- Find the question number from 1 to 120.
- Read the answer option published by UPSC.
- Compare it with the answer marked during the examination, if recorded.
- Repeat the process for the remaining questions.
Candidates should apply the official marking and negative-marking rules before attempting to calculate examination scores. An informal answer comparison does not replace UPSC's officially published marks.
UPSC Combined Geo-Scientist Answer Key 2026 - Dropped Questions
Both the General Studies Paper I and Geophysics Paper II answer keys explicitly state that zero questions were dropped.
The documents show that all 120 questions were taken for scoring in each of these two papers.
These figures are confirmed for the two uploaded answer keys. Candidates should check the corresponding official PDFs for the dropped-question information in Chemistry and Geology/Hydrogeology.
UPSC Combined Geo-Scientist Preliminary Result 2026
The UPSC Combined Geo-Scientist Preliminary Result 2026 was declared on 2 March 2026, following the Preliminary Examination held on 8 February 2026.
UPSC published the roll-number-wise result and a separate result document containing candidate names. Candidates who qualified the Preliminary Examination became eligible to appear in the Main Examination under the prescribed recruitment rules.
The answer-key release on 4 November 2026 is a later update and does not represent a new Preliminary Examination result.
UPSC Combined Geo-Scientist Final Result 2026
The UPSC Combined Geo-Scientist Final Result 2026 was declared on 16 October 2026. The recruitment process included the Preliminary Examination, Main Examination and Personality Test.
UPSC subsequently published cut-off marks on 21 October 2026 and marks of recommended candidates on 30 October 2026.
Therefore, the answer keys issued on 4 November 2026 relate to an examination cycle for which the final recruitment result had already been declared.
Check UPSC Combined Geo-Scientist Final Result 2026
UPSC Combined Geo-Scientist Answer Key 2026 Objection Status
The UPSC Combined Geo-Scientist answer-key entry dated 4 November 2026 provides the official answer-key PDFs. The uploaded General Studies and Geophysics documents contain answer tables and scoring details.
These documents do not announce a new objection window, objection fee or representation deadline.
Candidates should not treat the publication of these post-result answer keys as the opening of a fresh answer-key challenge facility.
Important Instructions for UPSC Geo-Scientist Candidates
Candidates checking the Combined Geo-Scientist Examination answer keys should carefully verify the subject, paper and series before reviewing the published answers.
- Download the official UPSC-issued PDF.
- Confirm that the document belongs to CGS(P) 2026.
- Choose General Studies Paper I or the correct Paper II subject.
- Verify the question-paper series.
- Compare answers using the question numbers printed in the PDF.
- Check the maximum marks and dropped-question information.
- Use the official examination rules when calculating scores.
- Consult UPSC's already published results and marks for official performance information.
