Edexcel IGCSE Biology Biology Paper 1 November 2023 mark scheme 4BI1/1B
Practise the past exam questions by topic
Energy in ecosystems25 Qs
Increasing crop yield16 Qs
Pyramids of number, biomass & energy14 Qs
Osmosis14 Qs
Transport in & out of cells17 Qs
Ventilation & the thorax15 Qs
Blood16 Qs
Specific immune response14 Qs
Genes & alleles8 Qs
Monohybrid inheritance23 Qs
Natural selection13 Qs
Probability & ratios in genetic crosses20 Qs
Reflex arc9 Qs
Classification17 Qs
Food production using micro-organisms22 Qs
Pathogens10 Qs
Human reproductive system12 Qs
Hormones & the endocrine system7 Qs
Selective breeding10 Qs
Limiting factors in photosynthesis13 Qs
+16 more
10 questions
- Q1 - 9 marks - Energy in ecosystems, Increasing crop yield, Pyramids of number, biomass and energy
- Q2 - 10 marks - Osmosis, Transport in and out of cells
- Q3 - 14 marks - Ventilation and the thorax
- Q4 - 10 marks - Blood, The specific immune response
- Q5 - 13 marks - Genes and alleles, Monohybrid inheritance, Natural selection, Probability and ratios in genetic crosses
- Q6 - 10 marks - The reflex arc
- Q7 - 12 marks - Classification, Food production using micro-organisms, Pathogens
- Q8 - 10 marks - The human reproductive system
- Q9 - 16 marks - Hormones and the endocrine system, Selective breeding
- Q10 - 6 marks - Limiting factors in photosynthesis
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