The correct option is
A a-(v), b-(iii), c-(i), d-(iv)
Annona is the genus name of custard apples which are an etaerio of berries.
Achenes formed from just the inner margin of receptacle are found in ficus which is a synconus.
Rubus is the name of blackberry which is an etaerio of drupes.
The fruit on the magnolia tree shows a bunch of follicle fruits with dehiscence from a single suture. It is called an etaerio of follicles.
So, the correct answer is 'a-(v),b-(iii),c-(i),d(iv)'