The receptor absent in tongue is

Options

(a) thermoreceptor
(b) gustatoreceptor
(c) photoreceptor
(d) none of these

Correct Answer:

photoreceptor

Explanation:

None of the options are correct. Our tongue contains four types of papillae, i.e., circumvallate, filiform, fungiform and foliate. Fungiform, circumvallate and foliate papillae contain gustatoreceptors, while filiform contains thermoreceptors and tactile receptors.