Biology Lessons In Sinhala. From 8 am to 12 noon weekends. Lesson 1 වර ණද හවල ව ය හ න ර ම ණය architecture of chromosomes.
Syllabuses curricula for all subjects of gce advanced level have been changed from 2017 for gce a l 2019 and 2020 2021 and 2022 a l students if you are planning to do a l in 2020 after your o l examination in 2017 december then you have to follow this new biology syllabus.
2019 biology tute paper class.
