Nnoli, J.N. and Nnaemeka , K.J. 2026. Practical Biology Mock Examination as A Predictor of Secondary School Students’ Academic Performance in Biology Theory in Nnewi Education Zone, Anambra State. Action Research Journal Indonesia (ARJI). 8, 3 (Sep. 2026), 1176–1188. DOI:https://doi.org/10.61227/arji.v8i3.860.