2026 and 2025 G.C.E. A/L (Grade 12 and Grade 13) students can compete and win medals in Sri Lankan Biology Olympiad 2025. Four students will also be selected to participate in the International Biology Olympiad to be held in Vilnius, Lithuania, from July 12 to 19, 2026
දේශීය (ජාතික) සහ ජාත්යන්තර පදක්කම් දිනා ගැනීම සඳහා ශ්රී ලංකා ජීව විද්යා ඔලිම්පියාඩ් තරගාවලියට අයදුම් කරන්න
உள்ளூர் (தேசிய) மற்றும் சர்வதேச ரீதியிலான பதக்கங்களை வெல்ல இலங்கை உயிரியல் ஒலிம்பியாட் போட்டிக்கு விண்ணப்பிக்கவும்.
Eligibility:
Open to anyone above 16 years of age. Students studying for 2025 or 2026 G.C.E. A/L local or international examinations can apply. There is no age barrier for the local competition, but to participate in the international competition, the student should be below 20 years of age on 30th June 2026.
Syllabus Coverage:
The examination is based on the following subject areas:
- Chemical and Cellular Basis of Life
- Evolution and Diversity of Organisms
- Functioning Plant
- Functioning Animal
- Genetics
- Environment
Subject areas 1-4 are based mainly on G.C.E. Local A/L contents (Units 2, 3, 4 and 5 of the local G.C.E. A/L syllabus). For subject areas 5 and 6 (Genetics and Environment), G.C.E. O/L knowledge is sufficient. Questions from Units 6-10 in the local G.C.E. A/L syllabus will not be asked. However, there can be questions on the subject areas 5 and 6 which can be answered from G.C.E. O/L knowledge.
How to apply:
The application fee is Rs. 1800.00. This is a non-refundable fee.
Please pay to “Institute of Biology account number 086-1-001-4-1191763” of Thimbirigasyaya Branch of Peoples Bank.
Applicant should complete and submit an online application with the payment slip issued by the Bank on or before 8 October 2025
The application form should be filled online through the below link:
Submit Your Application!Examination:
The Sri Lankan Biology Olympiad 2025 examination is on Sunday 26 October 2025 from 09.00 am to 01.00 pm as an online examination
9:00am-10.00am: Student verification and admitting into relevant zoom meeting rooms,
10.00am-12.00 noon: Examination,
12:00noon – 01:00pm: Post verification of the students
You must have a mobile device or a laptop to participate in the examination. If any unexpected disruption occurs, mitigatory measures will be taken to compensate for the loss.
The examination consists of a two-hour paper with 50 questions, consisting of MCQs and true/false questions.
Candidates can choose to sit for the examination in Sinhala, Tamil, or English medium.
You will be able to print admission cards later.
Selection of Winners:
Gold, Silver or Bronze medals will be awarded to the selected candidates based on their performance. The decision of the Council of the IOB shall be final in the selection of winners.
A certificate will be awarded to those who score high marks, and this certificate can be printed online at www.iobsl.org/results website. The number of certificates that will be issued will be decided by the Board of Examiners and ratified by the Council of the Institute of Biology.
For details contact:
SLBO Coordinating Centre at Department Forestry & Environment Science, University of Sri Jayewardenepura, Nugegoda. Call – Rajitha 0712984365 / Charith 0776266971