Cambridge IGCSE · Biology (0610)

Aerobic respiration: Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Aerobic respiration.

10 questions25 marksFree, no account

Question 1

1 mark

What is the word equation for aerobic respiration?

Question 2

1 mark

What is the primary purpose of the chemical reactions involved in aerobic respiration?

Question 3

1 mark

A tissue sample taken from the heart muscle is found to have a much higher rate of oxygen consumption per gram than a sample of fat tissue. What is the most likely explanation for this difference?

Question 4

1 mark

What is the primary characteristic of aerobic respiration?

Question 5

1 mark

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

Question 6

2 marks

Write the word equation for aerobic respiration.

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Question 7

4 marks

State the balanced chemical equation for aerobic respiration, including all reactants and products. $$C_6H_{12}O_6 + 6O_2 \rightarrow 6CO_2 + 6H_2O$$

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Question 8

5 marks

Explain why aerobic respiration releases significantly more energy per molecule of glucose than anaerobic respiration, referring to the degree of molecular breakdown.

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Question 9

5 marks

(a) State the balanced chemical equation for aerobic respiration.
(b) List three different uses of the energy released from aerobic respiration in living organisms.
(c) Explain why aerobic respiration releases significantly more energy per glucose molecule than anaerobic respiration.

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Question 10

4 marks

(a) State the balanced chemical equation for aerobic respiration.

(b) Explain the role of the circulatory system in facilitating aerobic respiration in muscle tissues during low-intensity physical activity.

(c) Compare the total energy yield per glucose molecule between aerobic respiration and anaerobic respiration.

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