B9.3· 10 questions · 10 marks · 12 min · 2018–2025· Multiple choice
Every Cambridge IGCSE Science - Combined Paper 2 question on blood vessels, laid out as 4 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.

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4 / 4Answers below. Sit the paper first if you are practising.
Pastlit
Science - Combined 0653 · Blood vessels — Paper 2
IGCSE · topical answer key — answer key (teacher use)
Question
Answer
Marks
| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | B | 1 | 0653/21 May/June 2018 |
| 2 | D | 1 | 0653/23 May/June 2018 |
| 3 | C | 1 | 0653/22 May/June 2019 |
| 4 | C | 1 | 0653/22 Oct/Nov 2019 |
| 5 | D | 1 | 0653/22 Feb/March 2023 |
| 6 | B | 1 | 0653/21 May/June 2023 |
| 7 | B | 1 | 0653/21 May/June 2024 |
| 8 | D | 1 | 0653/23 May/June 2025 |
| 9 | A | 1 | 0653/21 Oct/Nov 2025 |
| 10 | B | 1 | 0653/23 Oct/Nov 2025 |
6 The diagram shows a section through the human heart. valve 4 valve 3 valve 2 valve 1 What happens to the valves as blood is being pumped to the lungs? valve 1 valve 2 valve 3 valve 4 A closed closed open closed B closed closed open open C open open closed closed D open open closed open
1 marks
Answer: B
7 The diagram shows cross-sections of two different blood vessels. P Q What type of blood vessel is Q and what is the relative blood pressure in Q compared with P? relative blood blood vessel Q pressure in Q A artery higher B artery lower C vein higher D vein lower
1 marks
Answer: D
5 A student uses a microscope to observe an artery. Which feature is present in an artery? A a wide lumen B valves C walls with a thick layer of muscle D wall only a single cell in thickness
1 marks
Answer: C
5 The diagram represents the human heart and four blood vessels. Which blood vessel contains blood at the highest pressure? B C D A
1 marks
Answer: C
6 Which statement about all arteries is correct? A They always contain oxygenated blood. B They have many valves on their inner walls. C They have a wide lumen. D They transport blood away from the heart.
1 marks
Answer: D
8 The diagram shows a section through the heart. Which vessel is the pulmonary vein? D A B C
1 marks
Answer: B
5 Which statement about the structure and function of blood vessels is correct? A Arteries have valves and always carry oxygenated blood. B Arteries have a thick muscular wall to maintain a high blood pressure. C Veins have a narrow lumen to allow the blood to flow quickly. D Veins have a thin wall so that they can exchange molecules with tissue cells.
1 marks
Answer: B
11 The diagrams show cross-sections of two different blood vessels. P Q Which type of blood vessel is Q and what is the relative blood pressure in Q compared with P? relative blood blood vessel Q pressure in Q A artery higher B artery lower C vein higher D vein lower
1 marks
Answer: D
7 Which row describes the structure and function of an artery? structure function A thicker wall and carries blood at high smaller lumen than a vein pressure away from heart B thicker wall and carries blood at low smaller lumen than a vein pressure towards heart C thinner wall and carries deoxygenated larger lumen than a vein blood at low pressure D thinner wall and carries oxygenated larger lumen than a vein blood at high pressure
1 marks
Answer: A
9 What are features of an artery? 1 a narrow lumen 2 a thick wall 3 a valve A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only
1 marks
Answer: B