Past Papers 5090_s23_qp_12.pdf 5090_s23_qp_11.pdf 5090_s23_qp_21.pdf 5090_s23_qp_22.pdf 5090_s23_qp_31.pdf 5090_s23_qp_32pdf 5090_s23_qp_41.pdf 5090_s23_qp_42.pdf Marking Schemes 5090_s23_ms_11.pdf 5090_s23_ms_12.pdf 5090_s23_ms_21.pdf 5090_s23_ms_22.pdf 5090_s23_ms_31.pdf 5090_s23_ms_32pdf 5090_s23_ms_41.pdf 5090_s23_ms_42.pdf Examiner Report 5090_s23_er.pdf Grade Threshold for O Level Biology - May/June 2023 Exam ComponentMax Raw MarkABCDEComponent 011006858483930Component 021006656463728Component 031006656463728