Resources

International Junior Science Olympiad Syllabus

Click HERE to download the detailed syllabus of the International Junior Science Olympiad.

International Junior Science Olympiad Past Papers

The 20^th IJSO (Thailand) 2023 MCQ : 2023 Theory : 2023 Practical
The 19^th IJSO (Colombia) 2022 MCQ : 2022 Theory : 2022 Practical
The 18^th IJSO (UAE) 2021 MCQ : 2021 Theory : 2021 Practical
The 17^th IJSO 2020 (Germany) was cancelled due to the global COVID-19 pandemic
The 16^th IJSO (Qatar) 2019 MCQ : 2019 Theory : 2019 Practical
The 15^th IJSO (Botswana) 2018 MCQ : 2018 Theory : 2018 Practical
The 14^th IJSO (Netherlands) 2017 MCQ : 2017 Theory : 2017 Practical
The 13^th IJSO (Indonesia) 2016 MCQ : 2016 Theory : 2016 Practical
The 12^th IJSO (South Korea) 2015 MCQ : 2015 Theory : 2015 Practical
The 11^th IJSO (Argentina) 2014 MCQ : 2014 Theory : 2014 Practical
The 10^th IJSO (India) 2013 MCQ : 2013 Theory : 2013 Practical
The 9^th IJSO (Iran) 2012 MCQ : 2012 Practical
The 8^th IJSO (Durban) 2011 MCQ : 2011 Theory : 2011 Practical
The 7^th IJSO (Abuja) 2010 MCQ : 2010 Theory : 2010 Practical
The 6^th IJSO (Baku) 2009 MCQ : 2009 Theory : 2009 Practical
The 5^th IJSO (Korea) 2008 MCQ : 2008 Theory : 2008 Practical
The 4^th IJSO (Taiwan) 2007 MCQ : 2007 Theory : 2007 Practical

International Junior Science Olympiad Marking Guides

The 17^th IJSO 2020 (Germany) was cancelled due to the global COVID-19 pandemic
The 15^th IJSO (Botswana) 2018 MCQ : 2018 Theory : 2018 Practical
The 14^th IJSO (Netherlands) 2017 MCQ : 2017 Theory : 2017 Practical
The 13^th IJSO (Indonesia) 2016 MCQ : 2016 Theory : 2016 Practical
The 12^th IJSO (South Korea) 2015 MCQ : 2015 Theory : 2015 Practical
The 11^th IJSO (Argentina) 2014 MCQ : 2014 Theory : 2014 Practical
The 10^th IJSO (India) 2013 MCQ : 2013 Theory : 2013 Practical
The 8^th IJSO (Durban) 2011 MCQ : 2011 Theory : 2011 Practical
The 7^th IJSO (Abuja) 2010 MCQ : 2010 Theory : 2010 Practical
The 6^th IJSO (Baku) 2009 MCQ : 2009 Theory : 2009 Practical

International Biology Olympiad Syllabus

Click HERE to download the detailed syllabus of the International Biology Olympiad.

International Biology Olympiad Past Papers

The 29^th IBO (Tehran, Iran) 2018 Theory Paper 1 : Theory Paper 2 : Practical Paper 1 : Practical Paper 2 : Practical Paper 3
The 26^th IBO (Aarhus, Denmark) 2015 Paper 1 and 2015 Paper 2
The 25^th IBO (Bali, Indonesia) 2014 Paper 1 and 2014 Paper 2
The 24^th IBO (Bern, Switzerland) 2013 Paper 1 and 2013 Paper 2
The 23^rd IBO (Singapore) 2012 Paper 1 and 2012 Paper 2
The 22^nd IBO (Taipei, Taiwan) 2011 Paper 1 and 2011 Paper 2
The 21^st IBO (Changwon, South Korea) 2010 Paper 1 and 2010 Paper 2
The 20^th IBO (Tsukuba, Japan) 2009 Paper 1 and 2009 Paper 2
The 19^th IBO (Mumbai, India) 2008 Paper 1 and 2008 Paper 2
The 18^th IBO (Saskatoon, Canada) 2007 Paper 1 and 2007 Paper 2
The 17^th IBO (Rio Cuarto, Argentina) 2006 Paper 1 and 2006 Paper 2
The 16^th IBO (Beijing, China) 2005 Paper 1 & 2 (both papers are in same file)
The 15^th IBO (Brisbane, Australia) 2004 Paper 1 and 2004 Paper 2
The 14^th IBO (Minsk, Belarus) 2003 Paper 1 & 2
The 13^th IBO (Jurmala and Riga, Latvia) 2002 Paper 1 and 2002 Paper 2
The 12^th IBO (Brussels, Belgium) 2001 Paper 1 and 2001 Paper 2
The 11^th IBO (Antalya, Turkey) 2000 Paper 1 and 2000 Paper 2

International Biology Olympiad Marking Guides

The 26^th IBO (Aarhus, Denmark) - COMING SOON
The 25^th IBO (Bali, Indonesia) 2014 Paper 1 & 2
The 24^th IBO (Bern, Switzerland) - COMING SOON
The 23^rd IBO (Singapore) 2012 Paper 1 & 2
The 22^nd IBO (Taipei, Taiwan) 2011 Paper 1 & 2
The 21^st IBO (Changwon, South Korea) 2010 Paper 1 and 2010 Paper 2
The 20^th IBO (Tsukuba, Japan) 2009 Paper 1 & 2
The 19^th IBO (Mumbai, India) 2008 Paper 1 and 2008 Paper 2
The 18^th IBO (Saskatoon, Canada) 2007 Paper 1 & 2
The 17^th IBO (Rio Cuarto, Argentina) 2006 Paper 1 and 2006 Paper 2
The 16^th IBO (Beijing, China) 2005 Paper 1 & 2 (both papers are in same file)
The 15^th IBO (Brisbane, Australia) 2004 Paper 1 and 2004 Paper 2
The 14^th IBO (Minsk, Belarus) 2003 Paper 1 and 2003 Paper 2
The 13^th IBO (Jurmala and Riga, Latvia) 2002 Paper 1 and 2002 Paper 2
The 12^th IBO (Brussels, Belgium) - COMING SOON
The 11^th IBO (Antalya, Turkey) - COMING SOON

IYNT Past Problem Sets

The 13^th IYNT 2025 Problem Set
The 12^th IYNT 2024 Problem Set
The 11^th IYNT 2023 Problem Set
The 10^th IYNT 2022 Problem Set
The 09^th IYNT 2021 Problem Set
The 08^th IYNT 2020 Problem Set
The 07^th IYNT 2019 Problem Set
The 06^th IYNT 2018 Problem Set
The 05^th IYNT 2017 Problem Set
The 04^th IYNT 2016 Problem Set
The 03^rd IYNT 2015 Problem Set
The 02^nd IYNT 2014 Problem Set

Please note that the IMC Competition is attended by both Primary School Students (EIMC) and Secondary School Students (IWYMIC). Each category of students has their own set of examinations. Be sure to select the set of examinations which you intend to view i.e. either Primary or Secondary Level Examinations.

Elementary Level (Key Stage 2 - EIMC) Past Papers & Mark Schemes