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  9. Q2

CGPSC 2011 · Question 2 of 146

The major food fuel during exercise of long duration is

Human Physiology

  1. AFatCorrect
  2. BProtein
  3. CCarbohydrate
  4. DNone of these

Answer: A. Fat

Explanation

For prolonged endurance exercise the body primarily oxidises fat, which is the densest energy store, sparing carbohydrate reserves.

Source: CGPSC PCS Prelims 2011 GS Paper, solved paper via iasexamportal.com

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