Analogy Questions

Inflection most often refers to the pitch and tone patterns in a person's speech that is where the voice rises and falls.

Hence, Inflection best relates to Tone.

A sponge is a porous material. Rubber is an elastic material. 

Since Rubber is not a Massive or solid and not an inflexible thing, it is elastic. 

Cruise = a sea voyage for pleasure. All other words are related to ‘journey on land, sea with an aim’.

Mathematics is the theory of numbers and history is the theory of past events.

Hence Mathematics : Numbers :: History : Events.

Whale belongs to Mammal category whereas Rat belongs to Rodent.

When a Train leaves its usual path Derailment occurs. Similarly, when one's Behave changes its course, aberration in behaviour occurs.

Here Lizard is a type of Reptiles whereas Orchid is a type of flowers. Other than Orchids all are parts of Plants.

Hence, Reptile is to Lizard as Flower is to Orchids.

Second denotes the class to which the first belongs to. Here Malaria belongs to disease class and similarly, Spear belongs to weapon class.

Hence,  Malaria : Disease :: Spear : Weapon.