Choose the correct alternative for the given relation.

Eccrinology : Secretions : : Selenography : ?

Horse is related to hay in the same way cow is related to.........

Choose the correct alternative for the given relation.

House : Garbage : : Ore : ? 

Choose the correct alternative for the word belongs to the same group.

Marble : Slate : Gneiss

Choose the correct alternative for the given relation.

Rectangle : Pentagon

Choose the correct alternative for the given relation.

Bullet : Gun : : Smoke : ?