Sensory supply to tonsil is by which nerve?
Greater palatine nerve
Lesser palatine nerve
Vagus
Glossopharyngeal nerve
Ninth nerve (glossopharyngeal) is the nerve of third branchial arch. It carries sensory fibres from the posterior one-third of tongue, tonsil, pharynx, middle, ear, taste fibres from posterior one-third of tongue and circumvallate papillae. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition.
Head and neck