AQA GCSE Combined Science: Trilogy Biology Paper 1 (Higher), 2020
Every question from AQA GCSE Combined Science: Trilogy Biology Paper 1 (Higher), 2020: 6 questions, 70 marks, each with its mark scheme and topic.
- Question 1 9 marks
Investigate osmosis in potato pieces placed in different sugar solution concentrations by identifying the independent variable, explaining mass increase, completing a graph, estimating the isotonic concentration, and calculating percentage change in mass.
Biology · Required Practicals · B1: Cell Biology · Biology Required Practicals
- Question 2 14 marks
Answer a series of questions about digestion and absorption in the small intestine, including enzymes, villi adaptations, transport processes, and a magnification calculation.
Biology · Required Practicals · B1: Cell Biology · B2: Organisation · B4: Bioenergetics · Biology Required Practicals
- Question 3 14 marks
Answer questions about the health effects of being overweight, calculate height from BMI, identify a weight category from a chart, describe how diet and exercise affect body mass, and explain body changes during and after vigorous exercise including anaerobic respiration.
Biology · B4: Bioenergetics · B5: Homeostasis and Response
- Question 4 12 marks
Answer questions on differences between bacterial and plant cells, how vaccines prevent gonorrhoea, and how salmonella infection is reduced and controlled.
Biology · B1: Cell Biology · B3: Infection and Response
- Question 5 10 marks
Explain and interpret how light intensity, carbon dioxide concentration and temperature affect the rate of photosynthesis in greenhouse tomato plants, including profit considerations and results at zero light intensity.
Biology · Required Practicals · B4: Bioenergetics · B7: Ecology · Biology Required Practicals
- Question 6 11 marks
Interpret a timeline of drug testing stages and explain, suggest and evaluate issues about clinical trials, peer review and licensing of a drug for AMD treatment.
Biology · B3: Infection and Response