Choose the correct alternative for the given relation.

Roentgen : X rays : : Becquerel : ?

Physiology is related to Biology in the same way as Metaphysics is related to

Jester is related to Fool in the same way as Larrikin is related to.........?

Ecology is related to Environment in the same way as Histology is related to........?

Choose the correct alternative for the given relation.

Border : Country

Island is related to archipelago in the same way chapter is related to