AQA GCSE Biology Biology Paper 1 (Higher), June 2025
Every question from AQA GCSE Biology Biology Paper 1 (Higher), June 2025 (8461): 8 questions, 100 marks, each with its mark scheme and topic.
- Question 1 11 marks
Answer questions about measles transmission, symptoms, plant origins of aspirin, herd immunity, and calculate values and interpret data from a bar chart comparing measles severity in vaccinated versus unvaccinated children.
Biology · B3: Infection and Response
- Question 2 14 marks
Answer questions on obesity as a risk factor, plot a graph of sugar intake versus obesity, interpret scatter graphs, and explain enzyme activity with temperature and pH.
Biology · Required Practicals · B2: Organisation · Required Practicals
- Question 3 8 marks
Evaluate an experimental method investigating osmosis in potato tissue to improve validity, explain mass increase in distilled water, and compare active transport with osmosis.
Biology · Required Practicals · B1: Cell Biology · Required Practicals
- Question 4 16 marks
Investigate the effect of temperature on the rate of photosynthesis in pondweed, perform rate calculations with units, and explain plant diseases and mineral deficiencies.
Biology · Required Practicals · B3: Infection and Response · B4: Bioenergetics · Required Practicals
- Question 5 16 marks
Answer questions on the human circulatory system, magnification calculations of red blood cells, blood vessels and heart anatomy, and cellular respiration during exercise.
Biology · B1: Cell Biology · B2: Organisation · B4: Bioenergetics
- Question 6 9 marks
Define diffusion, explain gill adaptations for gas exchange in fish, and explain why metabolic rate increases during swimming.
Biology · B1: Cell Biology · B4: Bioenergetics
- Question 7 17 marks
Explain treatments for severe liver disease including stem cells, monoclonal antibody production to prevent rejection, and the role of bile in fat digestion.
Biology · B1: Cell Biology · B2: Organisation · B3: Infection and Response
- Question 8 9 marks
Answer questions comparing bacterial and yeast cell structures, comparing antibiotic effectiveness from a growth curve graph, and estimating bacterial population density.
Biology · B1: Cell Biology · B3: Infection and Response