Vinegar is produced from sugars with the help of:

Match Column $I$ (Antibiotic) with Column $II$ (Source) and choose the correct option from the codes given below.

Column $I$	Column $II$
$A$. Fumagillin	$1$. Gliocladium virens
$B$. Bacitracin	$2$. Streptomyces griseus
$C$. Streptomycin	$3$. Bacillus polymyxa
$D$. Viridin	$4$. Aspergillus fumigatus
$E$. Polymixin	$5$. Bacillus licheniformis

Codes:
$A \quad B \quad C \quad D \quad E$

In 'fed-batch' fermentation,sugar is continuously added for which of the following purposes?

The larger distribution of clean quality milk all over the world can be said to be due to the great work of:

Saccharomyces cerevisiae yeast is used in the production of which of the following?

Which of the following organic acids is produced by fermentation?