OCR A Level Biology A Unified Biology June 2018 mark scheme H420/03
Practise the past exam questions by topic
Dihybrid crosses, linkage & epistasis6 Qs
Eukaryotic & prokaryotic cells5 Qs
Control of gene expression6 Qs
Xylem & phloem7 Qs
Aerobic respiration5 Qs
Food tests6 Qs
Factors affecting enzyme activity15 Qs
Limiting factors in photosynthesis8 Qs
Micropropagation5 Qs
Light-independent reaction6 Qs
Genetic fingerprinting5 Qs
Specific immune response8 Qs
Classification8 Qs
Sampling & fieldwork8 Qs
Species richness & index of diversity7 Qs
Transfer of biomass6 Qs
Excretion & the liver6 Qs
Kidney & the urinary system5 Qs
+14 more
6 questions
- Q1 - 10 marks - Dihybrid crosses, linkage and epistasis, Eukaryotic and prokaryotic cells, The control of gene expression, Xylem and phloem
- Q2 - 10 marks - Aerobic respiration, Food tests
- Q3 - 14 marks - Factors affecting enzyme activity, Limiting factors in photosynthesis, Micropropagation, The light-independent reaction
- Q4 - 15 marks - Genetic fingerprinting, The specific immune response
- Q5 - 10 marks - Classification, Sampling and fieldwork, Species richness and index of diversity, Transfer of biomass
- Q6 - 11 marks - Excretion and the liver, The kidney and the urinary system
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