What is Rennet used for?

Swiss cheese is ripened by the bacterium ...........

Assertion: Vitamin $B_2$ is found in cereals,green vegetables,brewer's yeast,egg white,milk,and liver.
Reason: It can be commercially produced by some yeasts.

What is required for the production of antibiotics?

Match the following.

$I$	$II$	$III$
$(P)$ Trichoderma polysporum	$(a)$ statins	$(i)$ clot buster
$(Q)$ Monascus purpureus	$(b)$ streptokinase	$(ii)$ organ transplant
$(R)$ Streptococcus	$(c)$ cyclosporin-$A$	$(iii)$ cholesterol lowering agent

$A$: Statins are products of the fermentation activity of yeast.
$R$: Statins and mevalonate compete for the same active site on the enzyme involved in cholesterol synthesis.