AQA 8461 GCSE Biology Bioenergetics: Unlocking the Energy of Life
Question 1
Q1. Knowledge Recall (1 mark)
Define the term photosynthesis.
Question 2
Q2. Knowledge Recall (2 marks)
Name the pigment responsible for absorbing sunlight during photosynthesis.
Question 3
Q3. Application (2 marks)
Explain why the rate of photosynthesis decreases on a cloudy day.
Question 4
Q4. Application (3 marks)
Describe the role of glucose in respiration.
Question 5
Q5. Knowledge Recall (1 mark)
Name the type of respiration that occurs when there is no oxygen available.
Question 6
Q6. Knowledge Recall (2 marks)
State one product of anaerobic respiration in yeast cells.
Question 7
Q7. Application (3 marks)
Explain how the accumulation of lactic acid during strenuous exercise can lead to oxygen debt.
Question 8
Q8. Extended Response (4 marks)
Describe the key differences between aerobic and anaerobic respiration. Include specific examples of organisms that use each type of respiration.
Question 9
Q9. Application (3 marks)
Explain how the distribution of stomata on a leaf is an adaptation for efficient photosynthesis.
Question 10
Q10. Knowledge Recall (2 marks)
Define the term limiting factor. Give an example of a limiting factor in photosynthesis.