OCR A Level Biology A Unified Biology June 2023 examiner report (H420/03)
Examiner report
- Q1 - 10 marks - Gas exchange, Surface area to volume ratio
- Q2 - 14 marks - Aerobic respiration, Biological molecules, Enzymes, Factors affecting enzyme activity, Oxidative phosphorylation
- Q3 - 11 marks - Genetic engineering, Limiting factors in photosynthesis, The light-independent reaction
- Q4 - 15 marks - Adaptations, Maintaining biodiversity, Species richness and index of diversity
- Q5 - 9 marks - Respiration
- Q6 - 6 marks
- Q7 - 5 marks - Classification
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