For more than 20 weeks, secondary schools in Nigeria experienced a forceful shutdown due to the covid-19 pandemic. In the study, the impact of the covid-19 pandemic in Biology instruction as perceived by teachers was examined. A sample of 86 Biology teachers were drawn from three local government areas across the senatorial districts of Ekiti State, employing a multistage sampling procedure. The instrument used to collect data is the Biology Teachers Perception on Impact of Covid-19 Questionnaire (BTPICQ). The face and content validity of the instrument was ensured. A reliability coefficient of 0.751 using the Cronbach Alpha formula of testing internal consistency was obtained. Three research questions were raised and answered using mean and standard deviation. The findings showed the Covid-19 pandemic had a negative impact on the teaching and learning of Biology during the era. It was also found that the Covid-19 pandemic positively impacted the teaching and learning of Biology in the post-pandemic era. It was revealed that the covid-19 pandemic was perceived to affect students’ performance in Biology as students were found to have performed better in the pre-pandemic era than the post-pandemic era. It was recommended that the school, teachers and parents should help in filling the vacuum created by the pandemic. It was also recommended that teachers adopt innovative teaching and learning strategies that would make learners actively engage in the learning activities even outside the school wall.

Keywords: Covid-19, Pandemic, Teacher, Perception, Biology Instruction,

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