O-LevelBiologyRespiration5090/11 · May/June 2019 · Q161 Mark

Which statement about anaerobic respiration in humans is correct?

AIt only happens in the cells of the lungs.

BIt only happens when oxygen supply exceeds oxygen demand.

CIt releases carbon dioxide.

DIt releases less energy than aerobic respiration.

✓ Correct answer

D: It releases less energy than aerobic respiration.

Oracle Prep sorts past-paper questions by topic, so you can drill Respiration and see which topics are most likely to come up next.

Topic: Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2019 Paper 1 Variant 1, question 16.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content