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Biology · Edexcel 4BI0 · Biology Paper 1 · regional · June 2018

Edexcel IGCSE Biology Biology Paper 1 June 2018 examiner report (4BI0/1BR)

2h 120 marks

Examiner report

  1. Q1 - 10 marks - Energy in ecosystems, Pyramids of number, biomass and energy, Trophic levels
  2. Q2 - 9 marks - Blood vessels, The heart and circulation
  3. Q3 - 13 marks - Cell structure, Digestion
  4. Q4 - 6 marks - Classification, Photosynthesis
  5. Q5 - 7 marks - The human reproductive system
  6. Q6 - 12 marks - Monohybrid inheritance, Probability and ratios in genetic crosses, Sex determination, Sexual and asexual reproduction, The human reproductive system
  7. Q7 - 10 marks - Increasing crop yield
  8. Q8 - 10 marks - Fish farming
  9. Q9 - 10 marks - Gas exchange, Leaf structure
  10. Q10 - 9 marks - The greenhouse effect and climate change
  11. Q11 - 15 marks - Digestion, Factors affecting enzyme activity
  12. Q12 - 9 marks