Edexcel IGCSE Biology Biology Paper 1 November 2021 mark scheme 4BI1/1B
Practise the past exam questions by topic
Food production using micro-organisms22 Qs
Rate of diffusion7 Qs
Respiration10 Qs
Ventilation & the thorax15 Qs
Heart & circulation12 Qs
Limiting factors in photosynthesis13 Qs
Photosynthesis14 Qs
Anaerobic respiration7 Qs
Classification17 Qs
Genetic engineering13 Qs
Greenhouse effect & climate change13 Qs
Increasing crop yield16 Qs
Sampling & fieldwork12 Qs
Ecosystems5 Qs
Energy in ecosystems25 Qs
Pyramids of number, biomass & energy14 Qs
Monohybrid inheritance23 Qs
Probability & ratios in genetic crosses20 Qs
Human reproductive system12 Qs
Diet & nutrition21 Qs
Food tests12 Qs
Effects of smoking7 Qs
Homeostasis7 Qs
Natural selection13 Qs
Temperature regulation7 Qs
Reflex arc9 Qs
Air pollution6 Qs
+23 more
11 questions
- Q1 - 6 marks - Food production using micro-organisms, Rate of diffusion, Respiration, Ventilation and the thorax
- Q2 - 10 marks - The heart and circulation
- Q3 - 11 marks - Limiting factors in photosynthesis, Photosynthesis
- Q4 - 11 marks - Anaerobic respiration, Classification, Genetic engineering, The greenhouse effect and climate change
- Q5 - 8 marks - Increasing crop yield, Sampling and fieldwork
- Q6 - 10 marks - Ecosystems, Energy in ecosystems, Pyramids of number, biomass and energy
- Q7 - 8 marks - Monohybrid inheritance, Probability and ratios in genetic crosses, The human reproductive system
- Q8 - 10 marks - Diet and nutrition, Food tests
- Q9 - 12 marks - Effects of smoking
- Q10 - 14 marks - Homeostasis, Natural selection, Temperature regulation, The reflex arc
- Q11 - 10 marks - Air pollution, Limiting factors in photosynthesis
4bi1-1b-rms-20220224
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4BI1_1B_rms_20210604
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4BI1_1B_msc_20210517
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