In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
One who studies election trends by means of opinion polls.

Options

A. entomologist
B. psephologist
C. demagogue
D. eugenist

Answer

B

Explanation

psephologist (N.): a person (sociologist) who studies election trends
entomologist (N.) : a zoologist (person) who studies insects
demagogue (N.): a political leader who tries to win support by using arguments based on emotion rather than reason
eugenist (N.) : a person who studies methods of improving the quality of the human race, especially by selective breeding