Man is related to arms in the same way cockroach is related to.......

Choose the correct alternative for the given relation.

Coconut : Shell : : Letter : ?

Insulin is to Hormone as Trypsin is to..........?

Choose the correct alternative for the given relation.

Engineer : Map : : Bricklayer : ?

Doctor is related to Patient in the same way as Lawyer is related to......... ?

Birds are related to aviary in the same way bees are related to........