OCR A Level Biology A Unified Biology November 2020 mark scheme H420/03
Practise the past exam questions by topic
Kidney & the urinary system5 Qs
Cloning mammals6 Qs
Heart & circulation12 Qs
Dihybrid crosses, linkage & epistasis6 Qs
Plant hormones10 Qs
Cell structure8 Qs
Genetic engineering13 Qs
Maintaining biodiversity7 Qs
Sampling & fieldwork8 Qs
Excretion & the liver6 Qs
Haemoglobin & oxygen transport6 Qs
+7 more
6 questions
- Q1 - 13 marks - The kidney and the urinary system
- Q2 - 8 marks - Cloning mammals, The heart and circulation
- Q3 - 17 marks - Dihybrid crosses, linkage and epistasis, Plant hormones
- Q4 - 14 marks - Cell structure, Genetic engineering
- Q5 - 11 marks - Maintaining biodiversity, Sampling and fieldwork
- Q6 - 7 marks - Excretion and the liver, Haemoglobin and oxygen transport
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