Cambridge IGCSE · Science - Combined (0653)

Respiration: Practice Questions

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

9 questions17 marksFree, no account

Question 1

1 mark

Which chemical substance is a necessary reactant for aerobic respiration to occur in human cells?

Question 2

1 mark

Which of the following is the correct word equation for the process of aerobic respiration?

Question 3

1 mark

Energy released during respiration is used for various metabolic processes. Which of the following biological processes does not require energy from respiration?

Question 4

1 mark

What is the correct word equation for aerobic respiration?

Question 5

1 mark

What is the correct balanced symbol equation for aerobic respiration?

Question 6

2 marks

In which specific organelle within a eukaryotic cell do the chemical reactions of aerobic respiration primarily take place?

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Question 7

3 marks

State three essential uses of the energy released during respiration in a mammalian body, excluding growth.

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Question 8

3 marks

Define aerobic respiration and state the primary purpose of this process in living cells.

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Question 9

4 marks

Respiration is a vital chemical process that takes place inside the cells of all living organisms to support metabolism.

(a) Name the specific organelle where most of the reactions of aerobic respiration occur in a eukaryotic cell.
(b) Identify the reactant, other than glucose, that is required for aerobic respiration to take place.
(c) Aerobic respiration produces two waste products. Name these two products.
(d) State one use of the energy released during respiration in the human body, other than for muscle contraction.

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