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Test your knowledge of Aerobic Respiration with this exciting KS3 interactive quiz!
It includes 30 colourful and engaging questions designed to help Year 8 students revise Biology with confidence.
Click to reveal answers, learn at your own pace, and make Science revision fun and enjoyable! 🌱🧠✨
🌈 Year 8 Aerobic Respiration Quiz
🧠 Concept Mastery
⏱ Timed Revision
🧬 Biology • Respiration
🟣 Multiple Choice Questions
Choose the best answer
1. Aerobic respiration takes place in the ________.
✔ Mitochondria (B)
2. Aerobic respiration needs ________.
✔ Oxygen (B)
3. Glucose mostly comes from ________.
✔ Food (B)
4. Which gas is released during respiration?
✔ Carbon dioxide (C)
5. Water produced in respiration is ________.
✔ Needed by the body (B)
6. Which releases more energy?
✔ Aerobic respiration (A)
7. Anaerobic respiration produces ________ acid.
✔ Lactic (B)
8. Carbon dioxide turns limewater ________.
✔ Cloudy (B)
9. Which cells have the most mitochondria?
✔ Muscle cells (B)
10. During exercise, breathing rate increases to supply more ________.
✔ Oxygen (B)
11. Respiration is a ________ reaction.
✔ Chemical (B)
12. The main purpose of respiration is to ________.
✔ Release energy (B)
🟠 Fill in the Blanks
Write the missing word
13. ________ + Oxygen → Carbon dioxide + Water + Energy
✔ Glucose
14. Respiration happens inside the ________ of cells.
✔ Mitochondria
15. Aerobic respiration requires ________.
✔ Oxygen
16. Respiration provides energy for all ________ processes.
✔ Life
17. Carbon dioxide turns ________ cloudy.
✔ Limewater
18. Water and carbon dioxide are called ________ of respiration.
✔ Products
19. The gas released when we exhale is ________.
✔ Carbon dioxide
20. Muscles need more energy when we ________.
✔ Exercise
21. Energy from respiration keeps the body ________.
✔ Warm
22. Glucose is a type of ________.
✔ Carbohydrate
💗 True or False
Write T or F
23. Respiration and breathing are the same thing.
✔ False – breathing is just air in and out; respiration is the chemical reaction in cells.
24. Aerobic respiration occurs inside mitochondria.
✔ True
25. Anaerobic respiration does not use oxygen.
✔ True
26. Aerobic respiration releases a large amount of energy.
✔ True
27. Lactic acid is produced during aerobic respiration.
✔ False – lactic acid is from anaerobic respiration in muscles.
28. Carbon dioxide is a product of respiration.
✔ True
29. During exercise, the heart rate decreases.
✔ False – heart rate increases to deliver more oxygen.
30. Respiration happens in plants too.
✔ True – all living cells respire.