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WAEC Biology 2012 Papers

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Question : 7

Total: 62

The muscle cell fluid of an athlete was tested immediately after a 1 O m race and was found to contain a high
concentration of lactic acid. Explain what could have caused this. The

athlete must have eaten food containing lactic acid just before the race
Athlete must have injected lactic acid into his blood just before the race
athletes muscle must have carried out anaerobic respiration during the race
athlete must have inhaled lactic acid from the environment during the race

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