Q. Which one of the following pairs of structures distinguishes a nerve cell from other types of cells?
A) vacuoles and fibres
B) flagellum and medullary sheath
C) nucleus and mitochondria
D) perikaryon and dendrites
Explanation
[Solution from source] A neuron has a cell body (perikaryon/cyton) with Nissl granules and branched dendrites, features found only in nerve cells. Nucleus and mitochondria are present in almost all cells, so they cannot distinguish a neuron. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.