Misconceptions about photosynthesis and respiration held by grade 11

The study sought to investigate the misconception about photosynthesis and respiration held by Grade 11 and 12 Biology learners in Onathinge circuit in Namibia. The research employed the descriptive survey design. Data was gathered through the uses of tests, observations and interviews. The population was made up of 4 secondary schools, 80 learners and 4 Biology teachers. The sample consists of 80 learners 20 from each school and 4 Biology teachers 1 per school. The researcher used random simple sampling in selecting 1 teacher from each school, by the drawing the names of the teachers in a box. The study involved both Grade 11 and 12 students in the secondary school. Stratified random sampling was employed for selecting 20 learners per school each acted as a strata. Simple random sampling was employed whereby names was drawn from a box and 10 was selected from each grade,10 from Grade 11 and another 10 from Grade 12, make them 20 learners per school and in all 4 secondary school make the 80 (eighty) students. Data were presented in a table form and interpreted. Qualitative data obtained through interviews was summarized and analyses by interpretation.