A) optic nerve
B) vagus
C) trigeminal
D) ophthalmic
Correct Answer: C
Solution :
In anamniote (Fishes and amphibians), a total of 10 pairs of cranial nerves are present, while it is 12 pair in amniote (reptiles, birds, mammals). The first 10 pairs are common for frog and rabbit. First 5 pair can be tabulated as :Cranial nerve | Number | Functional Class | Distribution |
Olfalctory | \[\text{I}\] | Sensory | Nose |
Optic | \[\text{II}\] | Sensory | Retina of eye |
Oculomotor | \[\text{III}\] | Motor | 4 eye ball (extra ocular muscles) |
Trigeminal | \[\text{IV}\] | Motor | Superior oblique muscle |
Trigeminal | \[\text{V}\] | Mixed | |
(i) Ophthalmic | Snout | ||
(ii) Maxillary | Upper jaw | ||
(iii) Mandibular | Lower jaw |
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