Question

There are __ pairs of cranial nerves present in the peripheral nervous system.

• A. 12
• B. 103
• C. 31
• D. 206

Answer 1

The correct option is A

12

12 pairs of cranial nerves are present in the peripheral nervous system. They mainly control responses related to smell, sight, movement of eyelid and eyeball, adjusting the pupil and lens, production of tears, saliva, facial expressions, swallowing, movement of head & shoulders, speech etc. The human skeleton is made up of 206 bones and spinal nerves consist of 31 pairs.