300+ Scientific Olympiad Paper Links [Past Olympiad Papers]

Based On Country

• Bangladesh Mathematics Olympiad
• Bangladesh Physics Olympiad
• Bangladesh Informatics Olympia

• British Mathematics Olympiad
• British Physics Olympiad
• UK Chemistry Olympiad
• British Informatics Olympiad
• British Biology Olympiad

• South African Mathematics Olympiad
• South African Physics Olympiad

• Sri Lankan Mathematics Olympiad
• Sri Lankan Biology Olympiad
• Sri Lankan Physics Olympiad
• Sri Lankan Astronomy and Astrophysics Olympiad

• New Zealand Chemistry Olympiad
• New Zealand Maths Olympiad
• New Zealand Biology Olympiad

Based on Olympiads

Earth Science Olympiad 

• National Earth Olympiad 2012 (Dhaka Division)
• National Earth Olympiad 2014 (Sample Questions)
• IESO Questions Paper (2007-2009)
• IESO Question Paper (2010-2013)
• IESO Question Paper 2007
• IESO Question Paper 2008
• IESO Question Paper 2009
• IESO Question Paper 2010
• IESO Question Paper 2011
• IESO Question Paper 2012
• IESO Question Paper 2013
• Indian Earth Science Olympiad 2010
• Indian Earth Science Olympiad 2011
• IESO Preparation Material (Geomorphic Processes and Evolution of Landforms)
• IESO Preparation Material (Physical Oceanography) 
• IESO Preparation Material (Paleontology)
• IESO Preparation Material (Physical Geology and Geodynamics)
• IESO Preparation Material (Igneous, Sedimentary and Metamorphic Rocks)

Junior Science Olympiad

• IJSO Question Paper 2008 (Experimental)
• IJSO Question Paper 2008 (MCQ)
• IJSO Question Paper 2008 (Theory)
• IJSO Question Paper 2007 (Experimental)
• IJSO Question Paper 2007 (Theory)
• IJSO Question Paper 2007 (MCQ)
• International Junior Science Olympiad Syllabus. 

Informatics Olympiad

• Bangladesh Informatics Olympiad 2014 (Divisional)
• Bangladesh Informatics Olympiad 2013 (National)

• Bangladesh Informatics Olympiad 2013 (Divisional)
• Bangladesh Informatics Olympiad 2008 (Divisional)
• Bangladesh Informatics Olympiad 2010 (Divisional)
• Bangladesh Informatics Olympiad 2012 (Divisional)
• Bangladesh Informatics Olympiad 2012 (National)
• Bangladesh Informatics Olympiad 2010 (National)
• Bangladesh Informatics Olympiad 2007 (National)

Chemistry Olympiad

• 46th International Chemistry Olympiad 2014 (Preparatory Problems)
• 45th International Chemistry Olympiad 2013 (Theoretical Problems with Solutions)
• 45th International Chemistry Olympiad 2013 (Practical Problems)
• 44th International Chemistry Olympiad 2012 (Theoretical Problems with Solutions)
• 44th International Chemistry Olympiad 2012 (Practical Problems)
• 43rd International Chemistry Olympiad 2011 (Theoretical Problems with Solutions)
• 43rd International Chemistry Olympiad 2011 (Practical Problems with Solutions)
• 42nd International Chemistry Olympiad 2010 (Theoretical Problems with Solutions)
• 42nd International Chemistry Olympiad 2010 (Practical Problems with Solutions)

Astronomy Olympiad

• Bangladesh Astronomy Olympiad 2010 (National)
• St. Joseph Astronomy Olympiad 2013.
• Viqarunnisa Noon Astronomy Olympiad 2014.

Physics Olympiad

• Bangladesh Physics Olympiad 2014 (National)

Mathematical Olympiad

• 31st Balkan Mathematical Olympiad 2014

Science Olympiad

• Bangladesh Science Olympiad 2012 (Divisional)

Biochemistry Olympiad

• Biochemistry Olympiad Sample Paper.