Which bacterium is responsible for the production of acetic acid?

From which of the following is streptokinase obtained?

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

Wine is prepared by the fermentation of grape juice by:

Germinating barley seeds are employed in the preparation of

Which of the following is used for the production of ethanol from starch?