Edexcel IGCSE Biology Biology Paper 1 January 2022 mark scheme 4BI1/1BR
Practise the past exam questions by topic
Energy in ecosystems25 Qs
Natural selection13 Qs
Pyramids of number, biomass & energy14 Qs
Eye8 Qs
Reflex arc9 Qs
Anaerobic respiration7 Qs
Cell structure14 Qs
Classification17 Qs
Factors affecting enzyme activity12 Qs
Food production using micro-organisms22 Qs
Digestion13 Qs
Diet & nutrition21 Qs
Human reproductive system12 Qs
Menstrual cycle9 Qs
Monohybrid inheritance23 Qs
Probability & ratios in genetic crosses20 Qs
Selective breeding10 Qs
Sex determination10 Qs
Heart & circulation12 Qs
Food tests12 Qs
Limiting factors in photosynthesis13 Qs
Photosynthesis14 Qs
Air pollution6 Qs
Greenhouse effect & climate change13 Qs
Gas exchange13 Qs
Ventilation & the thorax15 Qs
Homeostasis7 Qs
+23 more
11 questions
- Q1 - 9 marks - Energy in ecosystems, Natural selection, Pyramids of number, biomass and energy
- Q2 - 9 marks - The eye, The reflex arc
- Q3 - 11 marks - Anaerobic respiration, Cell structure, Classification, Factors affecting enzyme activity, Food production using micro-organisms
- Q4 - 15 marks - Digestion
- Q5 - 16 marks - Diet and nutrition, Food production using micro-organisms
- Q6 - 9 marks - The human reproductive system, The menstrual cycle
- Q7 - 10 marks - Monohybrid inheritance, Probability and ratios in genetic crosses, Selective breeding, Sex determination, The heart and circulation
- Q8 - 11 marks - Food tests, Limiting factors in photosynthesis, Photosynthesis
- Q9 - 7 marks - Air pollution, The greenhouse effect and climate change
- Q10 - 7 marks - Gas exchange, Ventilation and the thorax
- Q11 - 6 marks - Homeostasis
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