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For the same amount of glucose, aerobic respiration liberates ___ times more energy than anaerobic respiration.

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For the same amount of glucose, aerobic respiration liberates ___ times more energy than anaerobic respiration. Answer: 19

For the same amount of glucose, aerobic respiration releases approximately 19 times more energy than anaerobic respiration because it produces about 38 ATP molecules compared to the 2 ATP molecules from anaerobic respiration. This difference in energy yield is due to the complete breakdown of glucose in the presence of oxygen during aerobic respiration, while anaerobic respiration involves an incomplete breakdown of glucose and occurs in the absence of oxygen.

Question context

This question is part of 🧩 Logical Reasoning within the broader 🧠 Aptitude Mastery subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.