Home
Class 11
BIOLOGY
Which of the following has non-myelinate...

Which of the following has non-myelinated nerve fibre

A

Optic nerves

B

Cranial nerves

C

Spinal nerves

D

Autonomic nerves

Text Solution

Verified by Experts

The correct Answer is:
D
Non myelinated fibres comprise the smaller axons of the CNS. It consists of non myelinated nerve fibres with group of small axons. Found in autonomic nervous system and fine sensory fibre such as olfactory nerve.
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion : Myelinated nerve fibre are enveloped with Schwan cells, which form a myelin sheath around the axon Reason : Unmyelinated nerve fibre is not enclosed by a Schwan cell and hence does not form a myelin sheath around the axon.

Nodes of Ranvier occur in non-myelinated nerve fibres.

Distinguish between: (i) Single-unit smooth muscle and multi-unit smooth muscle. (ii) Myelinated and non-myelinated nerve fibres.

A neuron is a microscopic structure composed of three major parts, namely, cell body, dendrites and axon. There are two types of axons, namely, myelinated, and nonmyelinated. Which of the following is true for nerve ? i. The myelinated nerve fibres are enveloped with Schwann cells ii. Schwann cells form a myelin sheath around the axom iii. The gaps between two adjacent myelin sheaths are called nodes of Ranvier. iv.Myelinated nerve fibres are found in autonomous and the somatic neural systems v. Unmyelinated nerve fibre is enclosed by a Schwann cell that does not form a myelin sheath around the axon. vi. Unmyelinated nerve fibre is commonly found in spinal and cranial nerves

How do you call the conduction of impulse along a myelinated nerve fibre?

Which of the following is the immediate coverting of a nerve fibre

What are medullated nerve fibres ?

Write whethere the following statements are true or false : (a) Nodes of Ranvier occur in non-myelinated nerve fibres. (b) Hyaline cartilage stores fat. (c ) Single unit smooth muscle contract rhythmically. (d) Transitional epithelium prevents loss of blood. (e ) Fibrin is associated with blood clotting.

Which of the following has nerve cells but not brain?