The first acid produced by fermentation is ......

Retting of fibres is caused by

Statement $1$: Statins are blood cholesterol-lowering agents.
Statement $2$: They act by competitively inhibiting the enzyme responsible for the synthesis of cholesterol.

Which of the following is used to remove oily stains in laundry?

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

The Roquefort cheese is ripened by growing a ........... on it, which gives it a particular flavour.