During strenous exercise, glucose gets converted into
A
Glycogen
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B
Pyruvic acid
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C
Starch
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D
Lactic acid
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Solution
The correct option is D Lactic acid During strenuous exercise, the partial breakdown of glucose takes place due to insufficient supply of oxygen. This leads to the formation of lactic acid in muscles leading to muscular cramps. The lactic acid system is capable of releasing energy to re-synthesise ATP without the involvement of oxygen and is called anaerobic glycolysis. This provides the extra amount of energy required by muscles for exercise.