The correct option is A A- (ii), B- (iii), C- (i), D- (iv)
Statins are the competitive inhibitor of enzyme HMG CoA reductase, an enzyme of cholesterol biosynthesis. Therefore, statins are components of cholesterol lowering medications, (A-ii).
Streptokinase is produced by Streptococcus pyogenes (a causative agent of throat and skin infections) and serves to digest blood clots thereby assisting in invasion of wounds. It is used for removal of blood clots, (C-i).
Cyclosporin A, a fungal product, is an immunosuppressant that blocks the activation of T helper cells and interferes with the release of interleukin-2 and thereby prevents organ rejection in transplantation processes, (B-iii).
Lipases are the enzymes that digest oils into their constituent fatty acids and therefore are used in soap industries, (C-iv).
Therefore, the correct answer is option A.