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Which substances are produced by anaerobic respiration in yeast?

Answer and explanation

Correct answer: Ethanol and carbon dioxide

The governing concept is alcoholic fermentation by yeast. In the absence of oxygen, yeast breaks down glucose only partially. The products are ethanol and carbon dioxide, and a small amount of energy is released. This process is used in baking and brewing. Therefore option A is correct. Oxygen and water are associated with aerobic respiration, whereas urea, bile, starch and saliva are not the products of yeast fermentation.

Related tags

YeastAnaerobic RespirationFermentationEthanolLife ProcessesWorld Of LivingScienceClass 10 Mcq

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