Biology Olympiad (IBO) Past Papers Questions PDF
International Biology Olympiad (IBO) is the Toughest Biology Competition for high School students, which held every year in the month of June – July in a different country. It is also known as the World championship Biology Competition.
The main aim of IBO Contest is to test the highest level of knowledge in Biology, critical thinking, problem solving, right practices of presentation and analysis, and hands-on skills in theoretical and Practical.
Here, High school Students or Biology Olympiad candidates will get all the guidance, Notes and the Past papers of IBO, that will help you to understand about the level of this test and to achieve High score in this contest.
| BIOLOGY OLYMPIAD EXAM PAPERS DETAILS | |
| About IBO | Click Here |
| RULES & GUIDELINES | Click Here |
| IBO MIT GUIDE | Click Here |
| IBO 2020 Dates | Click Here |
| SYLLABUS | Click Here |
| SELECTION PROCESS | Click Here |
| FUTURE HOST COUNTRIES | Click Here |
| RESULTS | Click Here |
| PRIME NOTES | Click Here |
| BOOKS | – |
| OTHER BIOLOGY EXAMS | |
| IB BIOLOGY (SL) | Click Here |
| IB BIOLOGY (HL) | Click Here |
BIOLOGY OLYMPIAD (IBO) PAST PAPERS
We are providing the Biology Olympiad (IBO) Preparatory problems & Past year papers Questions & Answers of from the basic to advance. You could increase your concept up to the high level if you will be able to solve all previous questions. Good Luck!
| BIOLOGY OLYMPIAD (IBO) PAST PAPERS QUESTIONS PDF | |||
| Year | Exam Type | Problems | Solutions |
| 2018 | Theory 1 | Q1-Q15 (Biochemistry and molecular biology) Q16-Q26 (Animal physiology and anatomy) Q27-Q36 (Plant Physiology) Q37-Q47 (Ecology and evolution) |
|
| PROBLEM | SOLUTION | ||
| Theory 2 | Q1-Q16 (Biochemistry and cell biology) Q17-Q31 (Animal physiology and anatomy) Q32-Q40 (Plant Physiology) Q41-Q51 (Ecology and evolution) |
||
| PROBLEM | SOLUTION | ||
| Practical 1 | A (Biochemistry and Molecular Biology) |
||
| PROBLEM & SOLUTION | |||
| Practical 2 | A (Systematics and Taxonomy of ACARI) B (Anatomy of Leech) C (Physiological changes during exercise) |
||
| PROBLEM & SOLUTION | |||
| Practical 3 | T1 (Betalain and anthocyanin in Caryophyllales) T2 (Ecophysiological Features of Plants in Order Caryophyllales) T3 (Identification of C3, C4 and CAM Photosynthetic Pathway) T4 (Crystal Types in Caryophyllales) T5 (Drawing A Maximum Parsimony Tree) |
||
| PROBLEM & SOLUTION | |||
| 2017 | Theory 1 | 46 Problems |
|
| PROBLEM | SOLUTION | ||
| Theory 2 | 46 Problems |
||
| PROBLEM | SOLUTION | ||
| Physiology (Practical) | E1 (Identifying tissues of a fly larva) E2 (Physiology of a larval heart) |
||
| PROBLEM | SOLUTION | ||
| Botany (Practical) | E1 (Plant taxonomy) E2 (Floral morphology) E3 (Seed and embryo development) E4 (Root morphology) |
||
| PROBLEM | SOLUTION | ||
| Biochemistry (Practical) | E1 (Analysis of blood markers) E2 (Practical determination of kinetic parameters) E3 (Analysis of genetic markers) |
||
| PROBLEM | SOLUTION | ||
| 2016 | Theory 1 | T1-T10 (Cell Biology) T11-T17 (Plant Anatomy and Physiology) T18-T30 (Animal Anatomy and Physiology) T31-T32 (Ethology) T33-T42 (Genetics and Evolution) T43-T47 (Ecology) T48-T50 (Biosystematics) |
|
| PROBLEM | SOLUTION | ||
| Theory 2 | T51-T60 (Cell Biology) T61-T68 (Plant Anatomy and Physiology) T69-T80 (Animal Anatomy and Physiology) T81-T83 (Ethology) T84-T43 (Genetics and Evolution) T94-T98 (Ecology) T99-T100 (Biosystematics) |
||
| PROBLEM | SOLUTION | ||
| Practical 1 | E1 (Leaf Pigment Assay) E2 (Plant Anatomy) E3 (Identification of Plant Species) |
||
| PROBLEM & SOLUTION | |||
| Practical 2 | E1 (Classification of Butterflies) E2 (Anatomy of Earthworm) |
||
| PROBLEM & SOLUTION | |||
| Practical 3 | E1 (Expression, purification and characterization of proteins) E2 (Antioxidant activity of coffee extract) E3 (Lactic acid fermentation) |
||
| PROBLEM & SOLUTION | |||
| Practical 4 | E1 (PCR-RFLP) |
||
| PROBLEM & SOLUTION | |||
| 2015 | Theory 1 | T1-T13 (Animal Biology) T14-T15 (Biosystematics) T16-T24 (Cell Biology) T25-T30 (Ecology) T31-T33 (Ethology) T34-T43 (Genetics and Evolution) T44-T50 (Plant Biology) |
|
| PROBLEM | SOLUTION | ||
| Theory 2 | T1-T11 (Animal Biology) T12-T14 (Biosystematics) T15-T23 (Cell Biology) T24-T29 (Ecology) T30-T31 (Ethology) T32-T41 (Genetics and Evolution) T42-T49 (Plant Biology) |
||
| PROBLEM | SOLUTION | ||
| ANSWER KEY | |||
| Practical 1 | E1 (Identification of specimens) E2 (Morphological description) E3 (Morphological variation and character matrix coding) E4 (Mapping character evolution on a phylogenetic tree) E5 (Evolution of Key characters in land plants) |
||
| PROBLEM & SOLUTION | |||
| Practical 2 | E1 (Restriction enzyme map of plasmid) E2 (PCR-based genotyping of Yeast mutants) E3 (Amino acid auxotrophy of mutant yeast) |
||
| PROBLEM & SOLUTION | |||
| Practical 3 | E1 (Identification of external structures) E2 (Identification of Internal structures) E3 (An Analysis of the heart) E4 (An analysis of the brain) |
||
| PROBLEM & SOLUTION | |||
| Practical 4 | E1 (Analyse enzyme kinetics) |
||
| PROBLEM & SOLUTION | |||
| 2014 | Theory 1 | 50 Problems |
|
| PROBLEM | |||
| Theory 2 | 50 Problems |
||
| PROBLEM | |||
| ANSWER KEY | |||
| 2013 | Theory 1 | 50 Problems |
|
| PROBLEM & SOLUTION | |||
| Theory 2 | 50 Problems |
||
| PROBLEM & SOLUTION | |||
| Practical 1 | E1 (Presence of the β-glucuronidase) E2 (Presence of the procyclin protein) |
||
| Practical 2 | E1 (Determination of glucose content in plant extracts) E2 (Staining of transitory starch) E3 (Floral morphology and pollination ecology) |
||
| Practical 3 | E1 (Quantifying aggressiveness) E2 (Puffed throat behavior) E3 (Social groups) |
||
| Practical 4 | E1 (Determine presence or absence of characters) E2 (Resolve phylogenetic relationships) E3 (Rate of morphological evolution) |
||
| PROBLEM & SOLUTION | |||
| 2012 | Theory 1 | 49 Problems |
|
| PROBLEM | |||
| Theory 2 | 46 Problems |
||
| PROBLEM | |||
| ANSWER KEY | |||
| 2011 | Theory 1 | 58 Problems |
|
| PROBLEM | |||
| Theory 2 | 45 Problems |
||
| PROBLEM | |||
| ANSWER KEY | |||
| 2010 | Theory 1 | 54 Problems |
|
| PROBLEM | ANSWER KEY | ||
| Theory 2 | 52 Problems |
||
| PROBLEM | ANSWER KEY | ||
| 2009 | Theory 1 | 54 Problems |
|
| PROBLEM | |||
| Theory 2 | 35 Problems |
||
| PROBLEM | |||
| ANSWER KEY | |||
| 2008 | Theory 1 | 63 Problems |
|
| PROBLEM | ANSWER KEY | ||
| Theory 2 | 43 Problems |
||
| PROBLEM | ANSWER KEY | ||
| 2007 | Theory 1 | 60 Problems |
|
| Theory 2 | 68 Problems |
||
| Practical 1 | E1 (Dissection of two annelids) E2 (Identification of annelids using a dichotomous key) E3 (Defining the structures, body plan, life style and classification of 10 “worm-like animals”) |
||
| Practical 2 | E1 (Identification of plant structures and organs) E2 (Identification of flowering plants) E3 (Dissection of a seed and a flower) E4 (Plant evolution) E5 (Graphing and interpretation of data) |
||
| Practical 3 | E1 (Thiocyanate analysis in cauliflower) E2 (Determination of the amount of cauliflower needed to be consumed to cause toxicity) E3 (Regulation of gene expression) |
||
| Practical 4 | E1 (Sequence confirmation of a cDNA) E2 (Genetics of coat colour in dogs) E3 (Genetic control of seed coat colour and seed shape in beans) |
||
| PROBLEM | THEORY ANSWER | ||
| 2006 | Theory 1 | 82 Problems |
|
| PROBLEM | ANSWERS | ||
| Theory 2 | 54 Problems |
||
| PROBLEM | ANSWERS | ||
| 2005 | Theory (1 – 2) | 174 Problems |
|
| PROBLEM | ANSWERS | ||
| 2004 | Theory 1 | 77 Problems |
|
| PROBLEM | ANSWERS | ||
| Theory 2 | 79 Problems |
||
| PROBLEM | ANSWERS | ||
| 2003 | Theory (1 – 2) | P60 (T1) & P40 (T2) |
|
| PROBLEM | ANSWERS (T1) | ||
| ANSWERS (T2) | |||
| 2002 | Theory 1 | 75 Problems |
|
| PROBLEM | ANSWERS | ||
| Theory 2 | 42 Problems |
||
| PROBLEM | ANSWERS | ||
| 2001 | Theory 1 | 121 Problems |
|
| PROBLEM | |||
| Theory 2 | 40 Problems |
||
| PROBLEM | |||
| 2000 | Theory 1 | 121 Problems |
|
| PROBLEM | |||
| Theory 2 | 40 Problems |
||
| PROBLEM | |||
Do you have IBO 2018, 2019 please?
Added, kindly check again
Do you have IBO 2019 please?
Will provide soon!
All of us are waiting for IBO 2019, please!
I can’t open any of the document. It says I have to request for access. When I try to request, I get this error “Request failed”
Could you upload IBO 2019? I would be very grateful!
Hello ! would it be possible for you to add the 2019 IBO paper , or any other recent exam ?
Hi, when is the 2019 IBO paper going to be published? Thanks for this website, it is a huge help
We’re trying…Upload Soon
Hello, maybe you know when the 2019 olympiad will be published? Thank you