AQA GCSE Biology Biology Paper 2 (Higher), June 2025
Every question from AQA GCSE Biology Biology Paper 2 (Higher), June 2025 (8461): 9 questions, 100 marks, each with its mark scheme and topic.
- Question 1 9 marks
Explain how an ichthyosaur fossil formed, calculate its actual length in metres from an image scale, complete its taxonomic classification, and suggest causes of its extinction.
Biology · B6: Inheritance, Variation and Evolution
- Question 2 10 marks
Analyse an investigation into the distribution of daisy plants and soil water content at varying distances from a tree along a transect line.
Biology · Required Practicals · B7: Ecology · Required Practicals
- Question 3 13 marks
Describe tropisms, plan an investigation into the effect of light direction on seedling growth using provided equipment, identify auxin and its mechanism, and explain the survival advantage of phototropism.
Biology · Required Practicals · B5: Homeostasis and Response · B4: Bioenergetics · Required Practicals
- Question 4 8 marks
Answer questions on the production, administration, and genetic engineering of human growth hormone (hGH).
Biology · B2: Organisation · B5: Homeostasis and Response · B6: Inheritance, Variation and Evolution
- Question 5 9 marks
State uses of peat, define biodiversity, and explain how the destruction of peat bogs affects biodiversity both locally and globally.
Biology · B7: Ecology
- Question 6 12 marks
Identify stages and characteristics of cell division in human spermatogenesis and compare sexual and asexual reproduction in strawberry plants.
Biology · B1: Cell Biology · B6: Inheritance, Variation and Evolution
- Question 7 13 marks
Analyze a ruler-drop investigation of reaction time, calculate the median and mean reaction time with unit conversions, suggest improvements, and describe how the nervous system coordinates the response.
Biology · Required Practicals · B5: Homeostasis and Response · Required Practicals
- Question 8 17 marks
Analyze rabbit coat colour genetics, enzyme function affected by DNA mutations and temperature, and the protective role of melanin against UV radiation.
Biology · B2: Organisation · B5: Homeostasis and Response · B6: Inheritance, Variation and Evolution
- Question 9 9 marks
Analyse data regarding Type 2 diabetes prevalence, calculate mean Hb-G percentage change from a graph, and evaluate drug trial methods and drug effectiveness.
Biology · B3: Infection and Response · B5: Homeostasis and Response