What is Feni made from?

Which microbial product is used as fuel in vehicles in Brazil?

The process which the yeast cells perform is called:

Which of the following is incorrectly matched regarding the microbe,its derivative,and its application?

Statement $A$: Statins prevent blood clotting in blood vessels.
Reason $R$: Statins reduce the level of cholesterol in the blood.
Which option is correct for Statement $A$ and Reason $R$?

$Streptomyces \text{ } fradiae$ produces: