Describe how measles and HIV are spread and how the spread can be reduced.
From Paper 8 (Biology), Higher
86 marks
Explain how a vaccine protects a person against a disease.
From Paper 8 (Biology), Higher
94 marks
Describe the stages in developing a new drug.
From Paper 8 (Biology), Higher
104 marks
Explain how smoking increases the risk of cardiovascular disease and lung cancer.
From Paper 8 (Biology), Higher
114 marks
Describe the process of selective breeding of cattle for high milk yield.
From Paper 8 (Biology), Higher
126 marks
Explain how human activities reduce biodiversity and describe ways to protect it.
From Paper 8 (Biology), Higher
134 marks
Describe four factors that threaten food security.
Score 0 / 32 · 0 of 7 marked
This paper is written by Plasmo in the style of the OCR GCSE Combined Science exam. It is not a past paper and is not produced or endorsed by the exam board.