All papers

Biology · Edexcel 4BI1 · Biology Paper 1 · June 2022

Edexcel IGCSE Biology Biology Paper 1 June 2022 examiner report (4BI1/1B)

2h 110 marks

Examiner report

  1. Q1 - 8 marks - Hormones and the endocrine system
  2. Q2 - 10 marks - Classification, Food production using micro-organisms
  3. Q3 - 11 marks - Ventilation and the thorax
  4. Q4 - 10 marks - Energy in ecosystems, Pyramids of number, biomass and energy, Sampling and fieldwork
  5. Q5 - 12 marks - Pollination and fertilisation in plants, The specific immune response
  6. Q6 - 11 marks - Eukaryotic and prokaryotic cells, Osmosis, Transport in and out of cells
  7. Q7 - 13 marks - Coronary heart disease, Diet and nutrition, The heart and circulation
  8. Q8 - 15 marks - Monohybrid inheritance, Probability and ratios in genetic crosses, The eye, Variation
  9. Q9 - 14 marks - Selective breeding
  10. Q10 - 6 marks - Pollination and fertilisation in plants