Tujuan dari penelitian ini adalah untuk menganalisis pelaksanaan praktikum pada pembelajaran biologi kelas XI SMA N 1 Pamboang serta mengetahui faktor- faktor yang menghambat dan mendukung pelaksanaan praktikum biologi. Penelitian ini adalah penelitian deskriptif dengan menggunakan pendekatan kualitatif. Instrumen dalam penelitian ini berupa angket dengan sampel penelitian kelas XI 5, XI 6 dan XI 7 dan lembar observasi. Data penelitian diperoleh melalui wawancara dengan guru pengampu mata pelajaran biologi kelas XI. Dari penelitian ini diperoleh data bahwa pelaksanaan praktikum di SMA Negeri 1 Pamboang dilaksanakan secara efektif, namun ada beberapa siswa yang kurang mendengarkan serta kurang memahami penjelasan guru, sebagian siswa juga kurang aktif bertanya saat pelaksanaan praktikum berlangsung. Faktor-faktor yang menghambat pelaksanaan praktikum di SMA Negeri 1 Pamboang yaitu beberapa siswa sulit diatur saat praktikum berlangsung sehingga sering kali ruang laboratorium kurang kondusif. Faktor-faktor yang mendukung adalah guru selalu berusaha agar siswa tetap
memahami materi praktikum.

The aim of this research is to analyze the implementation of practicum in biology learning for class XI students at SMA N 1 Pamboang and knowing the factors that hinder and support the implementation of biology practicum. This research is descriptive research using a qualitative approach. The instrument in this research was a questionnaire with research samples from classes XI 5, XI 6 and XI 7 and observation sheets. Research data was obtained through interviews with class XI biology teachers. From this research, data was obtained that the practicum at SMA Negeri 1 Pamboang was carried out effectively, but there were some students who did not listen and did not understand the teacher's explanations, some students were
also less active in asking questions during the practicum. The factors that hinder the implementation of practicum at SMA Negeri 1 Pamboang are that some students are difficult to manage during the practicum so that the laboratory space is often not conducive. Supporting factors are that teachers always try to ensure that students continue to understand the practical material.