Mock Biology Olympiad 2021


The Biolympiads Mock Exams are unique science competitions created by to help you prepare for the USA Biology Olympiad (USABO), International Biology Olympiad (IBO), British Biology Olympiad (BBO) and other biology olympiads around the world.

The mock biology olympiads will help you practice your exam-taking skills, test your knowledge of biology and get ready for the biology olympiad.

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The competition will be hosted by It will be available only from the 30th of January to the 5th of February, 2021 (the date has been extended!).

In the test system, you will see all the questions in one page and will have a timer to keep track of your time. There will be 50 questions in total and you will be given 50 minutes to complete the exam.

You should not use any notes, books or online resources.

Every question will be worth of 1 point unless indicated otherwise. For answers with two or more correct answers, scoring is all or none. This means that you only get points if you select all of the correct answers and will get zero if you select at least one incorrect answer.

When the test is over, we will send out the scores by the 5th of February, 2021.  You will see your scores using a unique ID that you will be asked to enter before the exam starts.



Top three winners will be awarded the Biolympiads book ‘How to prepare for the biology olympiad and science competition‘ and the top winner will be awarded a book of their choice: Campbell Biology,  Biochemistry by Harvey, Raven’s Plant biology or Genetics: Analysis and principles. 10 randomly chosen participants will receive access to the Problem-Solving course.

For more information, go to