Answer
exteroreceptor; chemoreceptor, thermoreceptor
Work Step by Step
exteroreceptor include touch,pressure, pain, and temperature receptors in the skin and
most receptors of the special senses (vision, hearing, equilibrium,taste, smell). In this case it'll be temperature change due to the coldness of the ice cream( thermoreceptor) and taste since the ice cream is made up of different ingredients that can give a taste (chemoreceptor).
