GCE O-Level · Biology (6093)

Cellular Respiration: Practice Questions

5 multiple-choice questions marked as you go, and 4 written questions with worked solutions. All on Cellular Respiration.

9 questions16 marksFree, no account

Question 1

1 mark

During vigorous exercise, human muscle cells may perform anaerobic respiration if oxygen supply is insufficient. Which of the following is the correct word equation for this process?

Question 2

1 mark

In terms of energy yield, how does aerobic respiration compare with anaerobic respiration in human muscle cells?

Question 3

1 mark

After a sprint, an athlete experiences an oxygen debt and continues to breathe deeply. Which statement correctly describes the fate of the lactic acid accumulated during the exercise?

Question 4

1 mark

Which of the following represents the correct word equation for aerobic respiration in humans?

Question 5

1 mark

In the context of energy release in human cells, how does the energy yield of aerobic respiration compare to that of anaerobic respiration?

Question 6

2 marks

Write the complete word equation for aerobic respiration in humans.

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Question 7

4 marks

After a period of vigorous exercise, an athlete experiences an oxygen debt. Name the substance that accumulates in the muscles during this time and describe how it is removed from the body during recovery.

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Question 8

2 marks

State the word equation for anaerobic respiration as it occurs specifically in human muscle cells.

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Question 9

3 marks

Aerobic respiration is the process by which cells break down glucose molecules to release energy in the presence of oxygen.

(a) Write the complete word equation for aerobic respiration in humans. (1 point)

(b) Provide the balanced chemical symbol equation for aerobic respiration. (2 points)

Write your answer out first, then check it against the worked solution.

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