**Bioenergetics Bonanza for AQA 8461 GCSE Biology**
Question 1
Q1: Knowledge Recall (2 marks)
Define the term photosynthesis and state the two key reactants and products involved in the process.
Question 2
Q2: Application of Knowledge (3 marks)
Explain the role of chlorophyll in photosynthesis and describe how it is adapted to absorb sunlight effectively.
Question 3
Q3: Extended Response (4 marks)
Describe the stages of aerobic respiration that occur in the mitochondria of cells and explain how it is a more efficient process than anaerobic respiration.
Question 4
Q4: Knowledge Recall (1 mark)
State the equation for anaerobic respiration.
Question 5
Q5: Application of Knowledge (3 marks)
Explain the difference between aerobic and anaerobic respiration and give an example of an organism that uses each type of respiration.
Question 6
Q6: Extended Response (4 marks)
Describe the causes and consequences of oxygen debt.
Question 7
Q7: Knowledge Recall (2 marks)
Define the term metabolism and give an example of a metabolic process.
Question 8
Q8: Application of Knowledge (3 marks)
Explain how the rate of photosynthesis can be affected by limiting factors and provide an example of each factor.
Question 9
Q9: Extended Response (4 marks)
Describe the structure of a chloroplast and explain how its structure is adapted to carry out photosynthesis.
Question 10
Q10: Knowledge Recall (1 mark)
State the term for the process by which bacteria convert lactic acid into ethanol.