It is generally agreed that there are four primary odours: sweet, bitter, sour and salty that are detected by olfactory receptors uniquely responsive to their specific chemical structure.

Question

Quizplus · Accepted Answer

The statement is incorrect as it describes the four primary tastes (sweet, bitter, sour, and salty), not odours. The primary odours are floral, musky, putrid, and peppermint.

It Is Generally Agreed That There Are Four Primary Odours