Correct option is C
The correct answer is (c) Glossopharyngeal nerve.
· The glossopharyngeal nerve (cranial nerve IX) is responsible for the sense of taste, particularly from the posterior third of the tongue.
· It also has other functions related to swallowing and the secretion of saliva.
Other Options:
· Olfactory nerve: Responsible for the sense of smell.
· Optic nerve: Responsible for vision.
· Trochlear nerve: Controls the movement of the eye muscles, specifically the superior oblique muscle, and is not related to taste.