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International Earth Science Olympiad Previous Year Question Papers

Prepare for the International Earth Science Olympiad by solving previous year papers for IESO from 7th to 17th August 2025. These International Earth Science Olympiad Previous Year Papers come with answers and will help you know the exam pattern better.
authorImageSwati Singh23 May, 2025
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International Earth Science Olympiad Previous Year Question Papers

International Earth Science Olympiad Previous Year Question Papers: The International Geoscience Education Organization (IGEO) conducts the International Earth Science Olympiad (IESO) every year to provide knowledge about Earth Sciences.

The International Earth Science Olympiad Previous Year Question Papers help the student understand the type of questions asked and the difficulty level of the questions asked in the exam.

Checking the IESO previous year question papers helps to clear the doubts and make the students understand what to expect. IESO Previous Year Question Papers are important when preparing for the exam and act as helping guide for students of classes 9th, 10th, 11th, and 12th.

Also Check: International Junior Science Olympiad Previous Year Questions

International Earth Science Olympiad Previous Year Question Papers

International Earth Science Olympiad Previous Year Papers help students to understand the topics that need to be covered and sections that need more attention and preparation. Students can download the International Earth Science Olympiad Previous Papers from the official website https://www.geosocindia.org/index.php/ieso/Past_Entrance_Exam_Questions and prepare for exam preparation. Here you will learn about IESO PYQP, Important topics and IESO Exam Pattern. So start practicing with our International Previous Question Papers and Answer Keys for upto the mark preparedeness.

 

Read: International Earth Science Olympiad Syllabus 2025

IESO Previous Year Question Papers PDF 

The IESO question consists of multiple choice questions from Geology, Geophysics, Meteorology, Oceanography, Terrestrial Astronomy and Environmental Science. Each question has four options, the student will have to mark in an OMR sheet.
The questions​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​ asked in the IESO Examination need to be completed within the timeframe of 90 minutes. Although the questions are based on basic concepts, students must use their logical thinking skills to solve them.
To better understand the exam pattern, mark distribution, difficulty level, etc., you should practice the previous question paper.
In the below table, you can find the attachments of the International Earth Science Olympiad Previous Year Question Papers PDF along with the solutions.

International Earth Science Olympiad Previous Year Question Papers

IESO 2024 Previous Year PDF -Version A

International Earth Science Olympiad Previous Year Question Papers

IESO 2024 Previous Year PDF -Version B

International Earth Science Olympiad Previous Year Question Papers

IESO 2024 Previous Year PDF -Version C

International Earth Science Olympiad Previous Year Question Papers

IESO 2024 Previous Year PDF -Version D

International Earth Science Olympiad Answer Key

IESO Answer Key for All Versions

International Earth Science Olympiad Previous Year Question Papers PDF

The candidates preparing for the IESO Olympiad Exam must go through the below pdf link to get access to the International Earth Science Olympiad Previous Year Question Paper along with answer key listed in the year-wise format.

International Earth Science Olympiad Previous Year Question Paper PDF

IESO Previous Year Paper (2020) 

Download PDF
IESO Previous Year Paper (2019)  Download PDF
IESO Previous Year Paper (2018)  Download PDF
IESO Previous Year Paper (2017)  Download PDF
IESO Previous Year Paper (2016)  Download PDF

International Earth Science Olympiad Answer Key

In the table below you can find the International Earth Science Olympiad Answer Key PDF link

International Earth Science Olympiad Answer Key PDF

IESO Answer Key 2017

Download PDF

IESO Answer Key 2016

Download PDF

Steps to Download the International Earth Science Olympiad Previous Year Paper 

Following are the steps that need to followed by the candidates to download the International Earth Science Olympiad Previous Year Paper by visiting the official website.

  • Visit the official website https://www.geosocindia.org/index.php/ieso/Past_Entrance_Exam_Questions
  • On the home page, click on you will find links of year-wise IESO Previous Year Question Papers.
  • Click on it, you will find the International Earth Science Olympiad Previous Year Question Paper and Answer Key PDF.

 

Check: Difference Between Maths and Science Olympiad

Importance of IESO Previous Question Papers

Below are some of the benefits that candidates who participate in the International Earth Science Olympiad will enjoy by downloading the previous question papers.

  1. IESO Previous Year Question Pape will let you know the exam pattern, mark sheet and also guide your weaknesses and strengths.
  2. The faster you solve problems, the better your time management skills will improve.
  3. Students will get familiar with critical questions by solving past questions.
  4. Analyzing the topics and questions covered in the IESO PYQ helps students to make better study plans.
  5. When students know their strengths and weaknesses, they can master the lessons they are taught.

 

Olympiad Preperation Tips

Benefits of International Earth Science Olympiad Answer Key

Getting the International Earth Science Olympiad Answer Keys is also important for to analyse your preparation level and evaluate your answers. Candidates can find the correct answers to the test questions by using the IESO answer keys.

Students are given a self-assessment tool that allows them to evaluate their answers and identify areas of difficulty. International earth science olympid answer keys are great for learning the correct strategies to solve the multiple choice questions using several tricks. By using it, candidates can refine their thinking and improve their problem-solving skills.

 

Also Read-

YUva VIgyani KAryakram 2025

SOF Olympiad 2025

International Chemistry Olympiad 
Vidyarthi Vigyan Manthan 2025 Indian National Earth Science Olympiad 2025 International Junior Science Olympiad

International Earth Science Olympiad Previous Year Question Paper FAQs

Q1. How can I access the answer solutions for the International Earth Science Olympiad?

Ans. To access the IESO Answer Keys, visit the official website https://www.geosocindia.org/index.php/ieso/Past_Entrance_Exam_Questions or we have shared here the direct link. Look for a section that provides the answer key or solutions for the IESO exam.

Q2. What is the IESO Previous Year Paper Pattern?

Ans. The International Earth Science Olympiad Questions Paper consists of Multilple choice questions from Geology, Geophysics, Meteorology, Oceanography, Terrestrial Astronomy and Environmental Science.

Q3. Where can I get the International Earth Science Olympiad Previous Year Papers with solutions?

Ans. At the PW blog you can get the International Earth Science Olympiad Previous Year Papers with solutions.

Q4. Can I use the International Earth Science Previous Year question paper to prepare for IESO exam?

Ans. Yes, students can use the International Earth Science Previous Year question paper to prepare to analyse the types of questions, difficulty level, strategise their preparation for the Olympiad Examination.
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