PPast Paper Match

Edexcel International GCSE (9–1) Biology Student Book · Chapter 3: Breathing and Gas Exchange

Breathing and Gas Exchange past paper questions

61 questions from 21 past papers. Try the first one now 👇

Question 1 · Paper 1BR, May 2024 · Q3(b)(i)–(iii)7 marks
Question 3(b): a diagram of an alveolus with a capillary around it (oxygen in, carbon dioxide out); (i) choose the order of structures air passes through from the mouth to the alveolus; (ii) calculate the total surface area of 480 000 000 alveoli of 0.0040 mm² each, in standard form; (iii) explain two ways a single alveolus is adapted to maximise gas exchange.

© Pearson Education Ltd. Paper 1BR May 2024, question 3. The full paper on Pearson's website

Work it out on paper first, then check:

Get 10 questions like this on the exact page you're studying

  1. 1. Snap your textbook page. We write a numbered summary of its topics.
  2. 2. Find questions. 10 real Edexcel past-paper questions on exactly those topics, easy or advanced, as you choose.
  3. 3. Practise like an examiner. Each question opens at its page, with its mark scheme and examiner report.
Start free – no card needed

Free for 7 days. Works on your phone.

More breathing and gas exchange questions in the library

The lungs and alveoli, ventilation, breathing rate and exercise, and the effects of smoking: the questions that come up in every series.

  • Paper 2B, June 2025 · Question 24 marks
  • Paper 1BR, May 2025 · Question 25 marks
  • Paper 1B, November 2024 · Question 26 marks
  • Paper 1B, November 2024 · Question 514 marks
  • Paper 1B, November 2023 · Question 39 marks
  • Paper 2BR, June 2023 · Question 65 marks
  • Paper 1BR, January 2023 · Question 14 marks
  • Paper 1BR, May 2022 · Question 411 marks
  • … and more, 61 question parts in all, each with its mark scheme.
Unlock all breathing and gas exchange questions – free