Edexcel IGCSE Biology Biology Paper 2 January 2020 examiner report (4BI1/2B)
Examiner report
- Q1 - 16 marks - Gas exchange, Immunisation
- Q2 - 11 marks - Transpiration
- Q3 - 8 marks - Effects of smoking, The heart and circulation
- Q4 - 11 marks - Protein synthesis
- Q5 - 12 marks - Osmoregulation, The kidney and the urinary system, Ultrafiltration and selective reabsorption
- Q6 - 6 marks - Food production using micro-organisms
- Q7 - 6 marks - Monohybrid inheritance, Probability and ratios in genetic crosses
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