First cranial nerve is

Auditory

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Optic

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Olfactory

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Oculomotor

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Trigeminal

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Solution

The correct option is C Olfactory
The cranial nerves are a set of 12 paired nerves that arise directly from the brain. The first nerve is Olfactory nerve, which transmits information to the brain regarding a person's sense of smell.
So the right option is option C.

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