Which enzyme is useful for removing oily stains in laundry?

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:

Conversion of sugar into alcohol during fermentation is due to the direct action of

Which organism is rich in riboflavin?

Which country uses ethanol as a fuel?

Which of the molecules listed below is a product of fermentation of glucose by yeast?