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Master GCSE Biology

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AQA 8461 Energetic Explorers: Unraveling Bioenergetics in GCSE Biology

Question 1

Q1. Knowledge Recall (1 mark)

Define the term photosynthesis.

Question 2

Q2. Application (2 marks)

Explain the importance of chlorophyll in photosynthesis.

Question 3

Q3. Extended Response (3 marks)

Describe two factors that limit the rate of photosynthesis.

Question 4

Q4. Knowledge Recall (2 marks)

What is the end product of aerobic respiration that is used for energy production?

Question 5

Q5. Application (2 marks)

Explain why aerobic respiration produces more energy than anaerobic respiration.

Question 6

Q6. Extended Response (4 marks)

Describe the process of fermentation in yeast cells and explain its importance.

Question 7

Q7. Knowledge Recall (1 mark)

Define the term oxygen debt.

Question 8

Q8. Application (2 marks)

Explain how lactic acid can cause muscle fatigue during intense exercise.

Question 9

Q9. Extended Response (3 marks)

Discuss the role of metabolism in maintaining a healthy body.

Question 10

Q10. Knowledge Recall (2 marks)

Name two ways in which energy is lost from ecosystems.