AQA GCSE Biology Biology Paper 1 (Higher), November 2021
Every question from AQA GCSE Biology Biology Paper 1 (Higher), November 2021 (8461): 7 questions, 100 marks, each with its mark scheme and topic.
- Question 1 13 marks
Identify microscope parts and preparation equipment, suggest why cells were not visible, compare the structure of a red blood cell to a plant cell, and explain osmotic bursting in water.
Biology · Required Practicals · B1: Cell Biology · B2: Organisation · Required Practicals
- Question 2 9 marks
Describe aseptic techniques, identify the least effective antibiotic from a petri dish, calculate the area of the inhibition zone, and suggest an improvement to the practical.
Biology · Required Practicals · B1: Cell Biology · B3: Infection and Response · Required Practicals
- Question 3 11 marks
Determine a person's BMI category from a graph, calculate BMI to three significant figures, describe patterns in life expectancy data, and discuss the economic and health impacts of obesity.
Biology · B2: Organisation
- Question 4 14 marks
Answer questions on aerobic and anaerobic respiration, identify the products and cellular locations, and explain changes in carbon dioxide concentration in a closed system containing pondweed and a snail.
Biology · B1: Cell Biology · B4: Bioenergetics · B7: Ecology
- Question 5 17 marks
Explain enzyme action using the lock and key model, identify production sites of amylase, and analyze an experiment investigating the effect of temperature on amylase activity.
Biology · Required Practicals · B2: Organisation · Required Practicals
- Question 6 17 marks
Identify leaf tissues, compare xylem and phloem, and calculate the rate of water loss using a tangent to a graph.
Biology · B1: Cell Biology · B2: Organisation
- Question 7 19 marks
Explain cancer development, the effects of low blood cell counts, the mechanics of blood transfusion compatibility, risk probabilities, and the impact of a gall bladder blockage on fat digestion.
Biology · B1: Cell Biology · B2: Organisation · B3: Infection and Response · B4: Bioenergetics