Edexcel IGCSE Biology Biology Paper 2 January 2023 mark scheme 4BI1/2BR
Practise the past exam questions by topic
Gas exchange13 Qs
Limiting factors in photosynthesis13 Qs
Mineral ions in plants9 Qs
Root hair cells6 Qs
Transpiration12 Qs
Food tests12 Qs
Kidney & the urinary system15 Qs
Ultrafiltration & selective reabsorption8 Qs
Abiotic & biotic factors10 Qs
Biodiversity7 Qs
Sampling & fieldwork12 Qs
Genes & alleles8 Qs
Protein synthesis13 Qs
Human reproductive system12 Qs
Menstrual cycle9 Qs
Immunisation6 Qs
Pathogens10 Qs
Specific immune response14 Qs
Micropropagation6 Qs
+15 more
7 questions
- Q1 - 17 marks - Gas exchange, Limiting factors in photosynthesis, Mineral ions in plants, Root hair cells, Transpiration
- Q2 - 10 marks - Food tests, The kidney and the urinary system, Ultrafiltration and selective reabsorption
- Q3 - 9 marks - Abiotic and biotic factors, Biodiversity, Sampling and fieldwork
- Q4 - 8 marks - Genes and alleles, Protein synthesis
- Q5 - 11 marks - The human reproductive system, The menstrual cycle
- Q6 - 9 marks - Immunisation, Pathogens, The specific immune response
- Q7 - 6 marks - Micropropagation
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