Edexcel IGCSE Biology Biology Paper 2 January 2023 mark scheme 4BI1/2B
Practise the past exam questions by topic
Osmoregulation13 Qs
Rate of diffusion7 Qs
Kidney & the urinary system15 Qs
Ultrafiltration & selective reabsorption8 Qs
Eye8 Qs
Genes & alleles8 Qs
Probability & ratios in genetic crosses20 Qs
Selective breeding10 Qs
Sex determination10 Qs
Variation11 Qs
Diet & nutrition21 Qs
Micropropagation6 Qs
Biodiversity7 Qs
Greenhouse effect & climate change13 Qs
Nitrogen cycle8 Qs
Immunisation6 Qs
Pathogens10 Qs
Protein synthesis13 Qs
+14 more
6 questions
- Q1 - 14 marks - Osmoregulation, Rate of diffusion, The kidney and the urinary system, Ultrafiltration and selective reabsorption
- Q2 - 10 marks - The eye
- Q3 - 10 marks - Genes and alleles, Probability and ratios in genetic crosses, Selective breeding, Sex determination, Variation
- Q4 - 11 marks - Diet and nutrition, Micropropagation
- Q5 - 13 marks - Biodiversity, The greenhouse effect and climate change, The nitrogen cycle
- Q6 - 12 marks - Immunisation, Pathogens, Protein synthesis
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