Edexcel IGCSE Biology Biology Paper 1 January 2022 mark scheme 4BI1/1B
Practise the past exam questions by topic
Osmoregulation13 Qs
Ventilation & the thorax15 Qs
Pollination & fertilisation in plants12 Qs
Energy in ecosystems25 Qs
Carbon cycle8 Qs
Effects of smoking7 Qs
Anaerobic respiration7 Qs
Food production using micro-organisms22 Qs
Digestion13 Qs
Enzyme action6 Qs
Natural selection13 Qs
Reflex arc9 Qs
Limiting factors in photosynthesis13 Qs
Mineral ions in plants9 Qs
Monohybrid inheritance23 Qs
Probability & ratios in genetic crosses20 Qs
Increasing crop yield16 Qs
+13 more
10 questions
- Q1 - 9 marks - Osmoregulation, Ventilation and the thorax
- Q2 - 10 marks - Pollination and fertilisation in plants
- Q3 - 10 marks - Energy in ecosystems, The carbon cycle
- Q4 - 10 marks - Effects of smoking
- Q5 - 10 marks - Anaerobic respiration, Food production using micro-organisms
- Q6 - 10 marks - Digestion, Enzyme action
- Q7 - 12 marks - Energy in ecosystems, Natural selection, The reflex arc
- Q8 - 13 marks - Limiting factors in photosynthesis, Mineral ions in plants
- Q9 - 14 marks - Monohybrid inheritance, Probability and ratios in genetic crosses
- Q10 - 12 marks - Increasing crop yield
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