This study aims to improve learning outcomes biology class VII SMP N 1 Rimba Melintang in the academic year 2015/2016 with the implementation of learning model Problem Based Learning (PBL). Conducted from January to May 2016. The subjects were students of class VII SMPN 1 Rimba Melintang in the academic year 2015/2016 with the number of 31 people consisting of 13 students and 18 female students…