Single Answer MCQ
Q-00019530
Which process breaks down glucose when oxygen is scarce during intense exercise in humans?
1
Aerobic respiration
2
Fermentation
3
Photosynthesis
4
Glycolysis
Answer and Solution
Answer
B. Fermentation
Solution:
During intense exercise, when oxygen is not available, glucose is converted into lactic acid through fermentation. Therefore, the answer is fermentation.
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