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WAEC Biology 1995 Question 21

Question 21

Sense Organs

Which of the following statements is false?

  1. A.Human sense of smell is easily fatigued
  2. B.The skin can perceive the sensations of touch, pain, pressure and temperature
  3. C.Taste buds and olfactory cells are active when wet as well as when dry
  4. D.Sensory nerve endings receive stimuli and send to the central nervous system
  5. E.Senses of smell and taste can be weakened by catarrh or blocked nose
Show the answer and explanation

Answer: C (Taste buds and olfactory cells are active when wet as well as when dry)

Explanation

Taste and smell receptors detect only chemicals dissolved in moisture, so they do not work when dry.