Ethanol is commercially produced through a particular species of

Ethanol is commercially produced through a particular species of
A $Aspergillus$
B $Saccharomyces$
C $Clostridium$
D $Trichoderma$

Detailed Solution

The yeast $Saccharomyces\ cerevisiae$ (brewer's yeast) is used for the commercial production of ethanol by fermentation of malted cereals and fruit juices.
$Aspergillus\ niger$ is used for producing citric acid.
$Clostridium\ butylicum$ is used for producing butyric acid.
$Trichoderma\ polysporum$ is the source of cyclosporin A, an immunosuppressive agent.
Hence ethanol is commercially produced through a species of $Saccharomyces$.

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