Number of cranial nerves in mammal are

Options

A. 10 pairs
B. 12 pairs
C. 24 pairs
D. 36 pairs

Answer

B

Explanation

There are 12 pairs of cranial nerve:
(i) Three cranial nerve I, II and VIII) carry axons of sensory neuron.
(ii) Five cranial nerves (III, IX, VI, XI and XII) are motor nerves.
(iii) Remaining four cranial nerve (V, VII, IX and X) are mixed nerves.