Analogy Questions

Detailed description of a man's life is Biography.

Similarly, detailed description of a Nations is called History.

As Tennis is a kind of Sport, similarly, Chemistry is a kind of science.

Hence, Tennis : Sport :: Chemistry : Science.

Warm and hot are in the same meaning sense , so not so good is same as worse in meaning.

The second word is a disease of the first word.

That is here Myopia is the disease of the eyes. Similarly, Pyorrhea is the disease of the teeth.

Hence, Eye : Myopia :: Teeth : Pyorrhea.

Lightning produces thunder just as a seed will eventually produce a grape.

After falling it bruises, similarly after knocking it bumps.

Hence, Bruise : Fall :: Bump : Knock.

Impasse means, a situation in which no progress is possible, especially because of disagreement; a deadlock.

So it is Impasse.

The answer is 'mare' because a "mare’s nest" doesn't exist just like "hen's teeth" don't exist.