Q. Read the following statements. I.Preganglionic nerve fibres of III, VII, IX and X cranial nerves are a part of the parasympathetic nervous system II.V,VII, IX and X cranial nerves are mixed nerves. III.Trochlear nerves are the largest cranial nerves. IV.Abducens nerves are motor nerves and originate from the Gasserian ganglia. Which of the above statements are correct?
A) I and IV
B) I and II
C) II and III
D) I and III
Explanation
Preganglionic nerve fibres of III (oculomotor), VII (facial), IX (glossopharyngeal) and X (vagus) cranial nerves are a part of parasympathetic nervous system. V, VII, IX and X cranial nerves are mixed nerves.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.