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Question

The product obtained by the anaerobic respiration of yeast is

A
Lactic acid.
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B
Pyruvic acid.
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C
Ethanol.
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D
Acetic acid.
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Solution

The correct option is B Ethanol.
The product obtained in the anaerobic respiration of yeast is ethanol. This process is known as fermentation. Alcoholic fermentation is carried out by unicellular organisms like yeast. Yeast breaks down pyruvic acid from glucose anaerobically into ethanol and carbon dioxide in the cytoplasm.
Thus, the correct answer is option C.

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