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IB Biology SL 1.2.5 Anaerobic vs. aerobic respiration Question Bank

Practise IB Biology SL 1.2.5 by comparing oxygen use, ATP production, lactate formation and oxygen debt during human exercise.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Distinguish aerobic respiration from anaerobic respiration by oxygen requirement, products and ATP production.
  • Explain how lactate formation and oxygen debt support ATP supply during intense human exercise.

C1.2.5—Anaerobic vs. aerobic respiration in humans question 1

[Maximum number: 1]

State how an oxygen debt is created.

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