Multiple choice

Directions: In the following question ,mark your answer as the option which is different from all other question words in some manner.

  1. Adulterate

  2. Contaminate

  3. Blemish

  4. Cogitate

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Adulterate, contaminate and blemish are associated with changing somehing to an inferior quality. Cogitate means to think, and apply reasoning.