Edexcel IGCSE Biology Biology Paper 1 January 2023 mark scheme 4BI1/1B
Practise the past exam questions by topic
Pollination & fertilisation in plants12 Qs
Blood vessels5 Qs
Coronary heart disease6 Qs
Heart & circulation12 Qs
Diet & nutrition21 Qs
Food tests12 Qs
Specific immune response14 Qs
Natural selection13 Qs
Blood16 Qs
Genetic variants & mutation10 Qs
Sex determination10 Qs
Human reproductive system12 Qs
Osmosis14 Qs
Rate of diffusion7 Qs
Transport in & out of cells17 Qs
Energy in ecosystems25 Qs
Pyramids of number, biomass & energy14 Qs
Sampling & fieldwork12 Qs
Classification17 Qs
Factors affecting enzyme activity12 Qs
Food production using micro-organisms22 Qs
Limiting factors in photosynthesis13 Qs
Photosynthesis14 Qs
Digestion13 Qs
+20 more
10 questions
- Q1 - 8 marks - Pollination and fertilisation in plants
- Q2 - 10 marks - Blood vessels, Coronary heart disease, The heart and circulation
- Q3 - 11 marks - Diet and nutrition, Food tests, The specific immune response
- Q4 - 13 marks - Natural selection
- Q5 - 9 marks - Blood, Genetic variants and mutation, Sex determination, The human reproductive system
- Q6 - 14 marks - Osmosis, Rate of diffusion, Transport in and out of cells
- Q7 - 14 marks - Energy in ecosystems, Pyramids of number, biomass and energy, Sampling and fieldwork
- Q8 - 12 marks - Classification, Factors affecting enzyme activity, Food production using micro-organisms
- Q9 - 9 marks - Limiting factors in photosynthesis, Photosynthesis
- Q10 - 10 marks - Digestion
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