Charith Saranga, Author at Institute of Biology, Sri Lanka

Prof. H.H. Costa Memorial Oration

Honoring the Past and Shaping the Future: A New Era for Fisheries Research and Development in Sri La...

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Inter-University Biology Challenge Competition 2026

The Institute of Biology Sri Lanka (IOBSL) is proud to announce the launch of the Annual Biology Cha...

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Institute of Biology e-Photography Competition

IOBSL e-Photography Competition 2026 The IOBSL e-Photography Competition 2026 is now open to entries...

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Annual Sessions of the IOBSL – 2026

“Biotechnology towards a sustainable future” We are pleased to announce that the 46th An...

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Sri Lankan Biology Olympiad 2026

Sri Lankan Biology Olympiad 2026 Syllabus – What to Study 2026 and 2027 G.C.E. A/L (Grade 12 a...

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Inter-University Biology Quiz Competition 2026 -Registration deadline extended !

IOB – Quiz 2026 – Registration deadline extended ! IOBSL is organizing the Inter-University ...

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Results and Medal Winners – Sri Lankan Biology Olympiad 2025

Top 12 Gold Medal Winners Medal Winners with eligibility to participate in IBO 2026 Gold Medals ( Ma...

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Council Members of the Institute of Biology 2025-2026

Position Name Email President Prof. H.D.D. Bandupriya dbandupriya@pts.cmb.ac.lk Vice Presidents Dr. ...

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Biological Innovations for Environmental Sustainability – Thematic Publication 2025

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IOBSL Proceedings of the 45th Annual Sessions

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About the Olympiad

1 What is the Sri Lankan Biology Olympiad (SLBO)?

The Sri Lankan Biology Olympiad is a national competition organized by the Institute of Biology, Sri Lanka, designed to identify and nurture talented students in Biology. Winners will have the opportunity to represent Sri Lanka at the International Biology Olympiad.

2 When is the SLBO 2026 examination?

The examination will be held on Sunday, 2nd August 2026 as an online examination.

Eligibility

3 Who can apply?

Students studying for the 2026 or 2027 G.C.E. A/L examinations, both local and international, can apply.

4 Is there an age limit?

There is no age limit for the local competition. However, students selected for the International Biology Olympiad must be below 20 years of age on 30th June 2027.

5 Can private candidates apply?

Yes. Private candidates are fully eligible to apply.

6 Can repeat candidates apply?

Yes. Students sitting for A/L examinations for the second or third time are also eligible to apply.

Application & Payment

7 What is the application fee?

The application fee is Rs. 1,800.00. Please note that this fee is non-refundable.

8 How should I make the payment?

Payments should be made directly to the Institute of Biology bank account:

Account Name: Institute of Biology

Account Number: 086-1-001-4-1191763

Bank: Peoples Bank, Thimbirigasyaya Branch

9 What is the application deadline?

Applications should be submitted on or before 10th July 2026.

Examination Details

10 What is the format of the examination?

The examination is conducted online and consists of 50 MCQ and True/False questions.

11 What languages are available?

Students can sit for the examination in Sinhala, Tamil, or English medium.

12 What equipment do I need?

You will need a mobile device or laptop with internet access.

13 What subject areas are covered?

The examination covers the following topics:

Chemical and Cellular Basis of Life
Evolution and Diversity of Organisms
Functioning Plant
Functioning Animal
Genetics
Environment

14 Are Units 6–10 of the A/L syllabus included?

No. Questions from Units 6–10 of the local G.C.E. A/L syllabus will not be asked.

Awards & Opportunities

15 What awards are given?

Gold, Silver, and Bronze medals will be awarded based on performance. Certificates will also be awarded to high-performing students.

16 What international opportunities are available?

Four students will be selected to represent Sri Lanka at the 38th International Biology Olympiad (IBO), to be held in Warsaw, Poland, from July 18 to July 26, 2027.

Contact

17 Who can I contact for more information?

SLBO Coordinating Centre
Department of Forestry and Environmental Science
University of Sri Jayewardenepura, Nugegoda

Ms. Shanuja Elayan

071 882 8756

Mr. Charith Saranga

077 626 6971