Human beings generally have an aversion to bitter and sour foods. Some researchers suggest that this is because foods that are inedible or even poisonous are often bitter or sour. The tendency of human beings to find these potentially harmful foods repulsive is an example of (a)

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Quizplus · Accepted Answer

The aversion to bitter and sour foods is a biological predisposition that has evolved in humans as a protective mechanism against potentially harmful foods. This is because many toxic substances in nature have a bitter or sour taste, and our ancestors who avoided these foods were more likely to survive and pass on their genes.

Human Beings Generally Have an Aversion to Bitter and Sour