OCR A-Level Biology B (Advancing Biology) - H422 过往试题分析

June 2025 H422 comprises three papers, 270 marks and 360 minutes. Estimated demand is moderate overall, with challenging applications and six six-mark extended responses. Practical skills, molecular biology and microscopy offer strong revision returns. All marks are assigned once to a primary chapter; insights are inferred from marking guidance because no examiner performance report is supplied.

The June 2024 OCR GCE Biology B (H422) series was a challenging and balanced set of papers testing deep theoretical knowledge, quantitative skills, and structured scientific writing, with a strong focus on cardiac physiology, meiosis, water transport, and photosynthesis.

A balanced and thorough assessment across the OCR Advancing Biology specification, featuring a strong emphasis on statistical analysis (t-test and chi-squared), quantitative interpretation of physiological curves (Bohr shift and forced expiration), and core practical skills ranging from haemocytometer rules to blood smears.

The June 2022 OCR A Level Biology B (Advancing Biology) examination series featured a strong emphasis on data analysis, mathematical modeling, and application of knowledge to novel medical and agricultural contexts, alongside core biological concepts.