Which enzyme is used to remove oily stains in laundry?

Statins are produced by which microorganism?

Read the following statement having two blanks $(A$ and $B)$:
$A$ drug used for $A$ patients is obtained from a species of the organism $B$. It helps in clearing blood clots inside the blood vessels.
The one correct option for the two blanks is:

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

Vitamin $B_{12}$ is produced directly during the course of fermentation by

Which is used as an immunosuppressive drug during organ transplant?