Which microorganism is used for the production of ethanol from malted cereals and fruit juices?

Ethanol is commercially produced through a particular species of

Match the following and select the correct option:

$I$. Citric acid	$A$. Lactobacillus
$II$. Acetic acid	$B$. Acetobacter aceti
$III$. Butyric acid	$C$. Aspergillus niger
$IV$. Lactic acid	$D$. Clostridium butylicum

Yeast is used in the production of .......

Assertion: Vitamin $B_2$ is found in cereals,green vegetables,brewer's yeast,egg white,milk,and liver.
Reason: It can be commercially produced by some yeasts.

Beer is prepared from ......