AQA GCSE Biology Biology Paper 2 (Higher), June 2022
Every question from AQA GCSE Biology Biology Paper 2 (Higher), June 2022 (8461): 9 questions, 100 marks, each with its mark scheme and topic.
- Question 1 8 marks
Compare sexual and asexual reproduction, name the male plant gamete, and interpret a graph showing changes in cell DNA mass during meiosis.
Biology · B6: Inheritance, Variation and Evolution
- Question 2 10 marks
Identify abiotic and biotic factors affecting an earthworm population and plan an investigation using a chemical irritant to compare population density between two areas.
Biology · Required Practicals · B7: Ecology · Required Practicals
- Question 3 10 marks
Analyse blood glucose regulation after eating, interpret a BMI chart for weight categories, and evaluate blood test results indicating Type 2 diabetes.
Biology · B5: Homeostasis and Response
- Question 4 10 marks
Identify pollutants of air and water and describe the harmful effects of air and water pollution on humans and other organisms.
Biology · B7: Ecology
- Question 5 14 marks
Analyze the inheritance of maple syrup urine disease (MSUD) using a pedigree tree and Punnett square, and explain the biochemical and physiological consequences of the enzyme deficiency.
Biology · B1: Cell Biology · B2: Organisation · B5: Homeostasis and Response · B6: Inheritance, Variation and Evolution
- Question 6 13 marks
Identify processes in the water cycle and plant water transport, calculate the comparative energy efficiency of grass and a cow in a food chain, and evaluate rearing livestock indoors.
Biology · B1: Cell Biology · B2: Organisation · B7: Ecology
- Question 7 11 marks
Explain mutations, count cells using a counting grid, calculate the undiluted cell concentration from sample dimensions and dilution factor, and evaluate the haemocytometer method.
Biology · Required Practicals · B6: Inheritance, Variation and Evolution · B7: Ecology · Required Practicals
- Question 8 13 marks
Analyse body temperature control and thermoregulation in echidnas and humans, including explanations of vasodilation, metabolic energy during hibernation, and calculating sweat volume.
Biology · B4: Bioenergetics · B5: Homeostasis and Response
- Question 9 11 marks
Investigate plant shoot responses to light and the distribution and breakdown of auxin under different conditions.
Biology · Required Practicals · B5: Homeostasis and Response · Required Practicals