Edexcel IGCSE Biology Biology Paper 2 June 2023 mark scheme 4BI1/2B
Practise the past exam questions by topic
Natural selection13 Qs
Respiration10 Qs
Greenhouse effect & climate change13 Qs
Nitrogen cycle8 Qs
Water pollution8 Qs
Transpiration12 Qs
Osmoregulation13 Qs
Kidney & the urinary system15 Qs
Gas exchange13 Qs
Limiting factors in photosynthesis13 Qs
Menstrual cycle9 Qs
Genes & alleles8 Qs
Genetic variants & mutation10 Qs
Micropropagation6 Qs
Selective breeding10 Qs
+11 more
6 questions
- Q1 - 16 marks - Natural selection, Respiration, The greenhouse effect and climate change, The nitrogen cycle, Water pollution
- Q2 - 10 marks - Transpiration
- Q3 - 7 marks - Osmoregulation, The kidney and the urinary system
- Q4 - 15 marks - Gas exchange, Limiting factors in photosynthesis
- Q5 - 11 marks - The menstrual cycle
- Q6 - 11 marks - Genes and alleles, Genetic variants and mutation, Micropropagation, Selective breeding
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