question_answer 27)

Which of the following statements -is correct about receptors? (a) Gustatory receptors detect taste while olfactory receptors detect smelt (b) Both gustatory and olfactory receptors detect smell (c) Auditory receptors detect smell and olfactory receptors detect taste (d) Olfactory receptors detect taste and gustatory receptors smell

Answer:

                (a) A receptor is a cell (or a group of cells) in a sense organ which is sensitive to a particular type of stimulus such as light, sound, etc. The common type of receptors are (i) Photoreceptors (in eyes) detect light (ii) Gustatory receptors (in tongue) detect taste (iii) Olfactory receptors (in nose) detect smell (iv) Thermo receptors (in skin) detect heat or cold.