Neural Control and Coordination Question 20
20. Which one of the following pairs of structures distinguishes a nerve cell from other types of cells?
[2007]
(a) Vacuoles and fibres
(b) Flagellum and medullary sheath
(c) Nucleus and mitochondria
(d) Perikaryon and dendrites.
Show Answer
Answer : d
Hints & Solutions
(d) The cytoplasm immediately surrounding the nucleus is loaded with protein synthetic machinery and is called perikaryon, dendrites are usually shorter, tapering and much branched processes which may be one to several. These two are only present in nerve cells.
