Facial nerve

Q) Not a branch of facial nerve?

a) Greater auricular nerve

b) Post Auricular nerve

c) Nerve to Chorda tympani

d) Nerve to Stapedius

Ans a

The posterior auricular nerve arises from the facial nerve close to the stylomastoid foramen.

The great auricular nerve (or greater auricular nerve) originates from the cervical plexus, composed of branches of spinal nerves C2 and C3. 

The chorda tympani is a nerve that arises from the mastoid segment of the facial nerve

The nerve to stapedius arises from the facial nerve to supply the stapedius muscle.