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

Choose the correct pair.

Which type of fatty acid is produced by the bacterium $Clostridium$ $butyricum$?

Read the statement containing two blanks $A$ and $B$: The medicine used for patients of $A$ is obtained from an organism of the species $B$. Select the correct option to fill both blanks.

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

Which of the following participates in the manufacturing of dextrans?