The deadly disease for which antibiotics were discovered is/are ......... .

Mark the mismatched pair:

Which of the following statements are associated with silage?
$(i)$ Prepared with the help of $Propionibacterium$ $sharmanii$.
$(ii)$ Used in the preparation of bread.
$(iii)$ It is a type of cattle feed.
$(iv)$ Used for the production of ethanol.
$(v)$ Produced by the fermentation of carbohydrates present in green plant tissues.

Which one of the following pairs is not correctly matched?

Match the following list of microbes and their importance.

Column-$I$	Column-$II$
$(A)$ Saccharomyces cerevisiae	$(i)$ Production of immuno-suppressive agent
$(B)$ Monascus purpureus	$(ii)$ Ripening of Swiss cheese
$(C)$ Trichoderma polysporum	$(iii)$ Commercial production of ethanol
$(D)$ Propionibacterium	$(iv)$ Production of blood-cholesterol lowering agents

Identify the colonies labelled as $A$ and $B$.