Edexcel IGCSE Biology Biology Paper 1 January 2020 examiner report (4BI1/1B)
Examiner report
- Q1 - 7 marks - Anaerobic respiration, Energy in ecosystems, The eye
- Q2 - 5 marks - Classification, Pathogens
- Q3 - 14 marks - Diet and nutrition, Food tests
- Q4 - 14 marks - Enzyme action
- Q5 - 11 marks - Increasing crop yield, Mineral ions in plants, Water pollution
- Q6 - 10 marks - Digestion, The heart and circulation
- Q7 - 11 marks - Monohybrid inheritance, Sex determination
- Q8 - 12 marks
- Q9 - 14 marks - The specific immune response
- Q10 - 12 marks - Pollination and fertilisation in plants, Seed germination
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