Which of the following is used to manufacture ethanol from starch?

Penicillium

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Saccharomyces

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Azotobacter

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Lactobacillus

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Solution

The correct option is B Saccharomyces
The biological process of conversion of starch into ethanol is a two-step process. The first step involves saccharification, where starch is converted into sugar using an amylolytic microorganism or enzymes such as glucoamylase and -amylase. The second step is fermentation, where sugar is converted into ethanol using Saccharomyces cerevisiae.
Therefore, the correct answer is option B.

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