Which fermented beverage has the maximum alcohol content?

Which of the following organic acids is produced by fermentation?

Which organic acid is produced by fungi?

Which organism is rich in riboflavin?

How are microbes useful in industrial production of chemicals,enzymes and other bioactive molecules?

$S$ - Statement: The fermentation process of microbes is also used to produce certain vitamins.
$R$ - Reason: Riboflavin is produced by $Ashbya$ $gossypii$.