Edexcel IGCSE Biology Biology Paper 2 January 2021 examiner report (4BI1/2B)
Examiner report
- Q1 - 16 marks - Biodiversity, Energy in ecosystems, Pyramids of number, biomass and energy, The specific immune response
- Q2 - 9 marks - The kidney and the urinary system
- Q3 - 11 marks - Micropropagation
- Q4 - 12 marks - Gas exchange, Transpiration
- Q5 - 10 marks - Genes and alleles, Protein synthesis
- Q6 - 12 marks - Enzyme action
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