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a
Rum is obtained directly due to alcohol fermentation by yeasts without distillation.
b
The energy releasing metabolic process in which substrate is partially oxidized without usage of oxygen is called fermentation.
c
During rigorous exercise, the muscles cells produce lactic acid and CO2
d
When yeast ferments glucose, the products are methanol and CO2.
answer is B.
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Detailed Solution
The end product of lactic acid fermentation is lactic acid. Pyruvic acid in the presence of the enzyme lactate dehydrogenase is converted to a 3-carbon compound lactic acid. There is no release of CO2.Rum is a distilled alcoholic beverage as it has alcohol percentage above 13%.During rigorous exercise, the muscles cells produce lactic acid but not CO2.When yeast ferments glucose, the products are ethanol and CO2