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Biology Excellence Olympiad

International Biology Excellence Olympiad

Assess your Biology Skills against students from 40+ countries. Each age has its own dedicated test.

Duration

60 Minutes

Questions

50 MCQ

Exam Availability

Anytime

Attempts

2 / year

2026 Leaderboard Preview

1🇮🇳 A**** M.49/5099.8%ile

2🇨🇳 Li Wei48/5099.6%ile

3🇩🇪 Lena M.47/5099.3%ile

4🇮🇳 Priya K.46/5098.9%ile

5🇸🇦 Omar A.45/5098.5%ile

Total Questions

MCQ format

60 min

Time Limit

72 sec per question

3 Types

Question Types

MCQ · Scenario · Logic

2 / year

Attempts Allowed

Best score counts

Marks & Scoring

Wrong Answer

No negative marking

0 marks

Not Attempted

No penalty

0 marks

Easy Question+1 mark

Medium Question+2 marks

Hard Question+3 marks

Detailed Syllabus

Select your grade to view the syllabus tailored for your level. Each grade has its own dedicated test.

Select Grade:

Cell StructureBeginner

Plant vs animal cellsOrganelles and functionsProkaryotic vs eukaryotic

Cell ProcessesIntermediate

Diffusion and osmosisActive transportCell division basics

MicroscopyBeginner

Light microscope useMagnification calculationsPreparing slides

Specialised CellsIntermediate

Red blood cellsNerve cellsRoot hair cells

Cell OrganisationBeginner

Cells → tissues → organs → systemsExamples in humans and plants

Sample Questions — Grade 11

Try these interactive sample questions to understand the exam format. Questions test conceptual understanding and scenario & logic based reasoning.

Q1Cell BiologyIntermediate

A student places a red blood cell in a very concentrated salt solution. What will happen?

Q2Nutrition and DigestionBeginner

Which enzyme breaks down starch in the mouth?

Q3Reproduction and GeneticsIntermediate

In a Punnett square cross between two heterozygous tall plants (Tt × Tt), what percentage of offspring will be short (tt)?

Rewards & Recognition

What you get for participating — and excelling — in the Biology Olympiad.

Participation Certificate

Every student who completes the exam receives a verifiable digital certificate with a unique ID — generated instantly and sent to your email.

Merit Certificate (Top 10%)

Students scoring in the top 10th percentile receive a distinguished merit certificate.

Gold / Silver / Bronze (Top 1%)

Top-ranking students receive tiered recognition certificates with physical medals for top 100 globally.

Global Leaderboard Listing

All students appear on the live global leaderboard — with privacy controls to stay anonymous.

Instant AI Report Card

Receive your detailed report instantly — topic-wise performance breakdown with AI-generated insights and improvement recommendations.

Shareable Digital Badge

LinkedIn-ready digital badge and shareable result card for social media.

Questions about the Biology Olympiad

Ready to Benchmark Your Biology Skills?

Join 120,000+ students from 40+ countries. Registration is open for the 2026 season.