IBOInternationalScience
International Biology Olympiad — World
Organised by IBO / HBCSE India teamOfficial Website ↗
World championship in Biology. Tests Cell Biology Anatomy Physiology Genetics Ecology Biosystematics. Pathway: NSEB → INBO → OCSC → PDC → IBO.
Eligibility
Top 4 from OCSC Biology — represent India
Fee
Nil
Reg. Opens
N/A–N/A
Exam Date
Jul 2026
Level
International
Pathway Stage
National Entry
About this olympiad
World championship in Biology. Tests Cell Biology Anatomy Physiology Genetics Ecology Biosystematics. Pathway: NSEB → INBO → OCSC → PDC → IBO.
The pathway
Stage 5 of 5
How registration works
1
National selection through NSEB → INBO → OCSC
2
No direct registration.
How to prepare
Understand the syllabus
Focus on the core concepts of the Science curriculum with a higher weightage on analytical problems.
Solve past papers
Practice with previous years' question papers to understand the exam pattern and marking scheme.
Notify Me
Get notified when IBO 2026 registration opens.
Quick Facts
TypeBiology Olympiad
International?Yes
Govt Recognized?Yes
Online Exam?No
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