A) glycogen
B) pyruvic acid
C) starch
D) lactic acid
Correct Answer: D
Solution :
During strenuous exercise, deficiency of oxygen takes place. So, anaerobic respiration of glucose takes place. During anaerobic respiration, pyruvic acid (a) product of glycolysis of glucose) change into lactic acid. Accumulation of lactic acid is responsible for muscle fatigue. Glycogen is a polysaccharide and storing material of animal body. Glycogen stored in muscle and liver. Starch is a polysaccharide and storing material of plant body.
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