Igcse Model Questions Vol1 2025 Biology Question 34
Practice objective / multiple choice question 34 from the 2025 Igcse Model Questions Vol1 Biology examination.
Aerobic respiration normally yields 30 ATP molecules per molecule of glucose. A mitochondrial defect reduces the efficiency of the electron‑transport chain to 80 % of normal, proportionally decreasing ATP production. If a cell metabolises 5 glucose molecules, how many ATP molecules are produced in total?
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This is Igcse Model Questions Vol1 2025 Biology Question 34. It is one of the objective questions from the 2025 Igcse Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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