Abstract :
In online learning, various problems are often encountered, namely the internet network that not all student residences are good, so that during online learning the internet network is suddenly disconnected or slow when online learning takes place. The research method that was carried out quantitatively was carried out using a Likert scale survey method. This study aims to determine students' perceptions of the implementation of online learning in biology subjects at SMAN 10 Mandau, Bengkalis Regency, Riau, in the 2020/2021 academic year. This research is a survey research and data collection using questionnaires, observation sheets, interviews and the sample of this research is 92 students. The results showed that students' perceptions of bold learning based on pedagogic competence were in the good category with a percentage of 82.17%. and in the good category of professional competence with a proportion of 77.12%. Based on the results of the analysis obtained, it can be concluded that students' perceptions of online learning at SMAN 10 Mandau with a percentage of 79.64% are in the good category.