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This study was designed to determine the impact of instructional materials in teaching and learning of Biology by SS II students in Yakurr local government area of Cross River state. In order to effectively handle the study, four research questions were formulated to guide the study. The descriptive statistical method was employed so as to determine the impact of teacher’s effectiveness. Five (5) comparable secondary schools were selected to represent the population of the study. The data collected were analyzed using simple percentage method to verify the research questions formulated for this study. The result of the findings revealed that there is a positive achievement in students taught by highly qualified biology teachers and those exposed to instructional materials during lessons. It was recommended that government make available to schools the basic instructional materials as this will enhance an effective teaching and learning process.

Impact of Instructional Materials in Teaching and Learning of Biology in Senior Secondary Schools in Yakurr LG A