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प्रश्न
Dendrons are the longest fibres that conduct impulses away from the cell body.
पर्याय
True
False
उत्तर
False
Correct Statement: Axons are the longest fibres that conduct impulses away from the cell body.
APPEARS IN
संबंधित प्रश्न
Distinguish between Impulse conduction in a myelinated nerve fibre and unmyelinated nerve fibre
Marine fish when placed in tap water bursts because of:
A. Endosmosis
B. Exosmosis
C. Diffusion
D. Plasmolysis
Name the following :
The layer of the eyeball that forms the transparent Cornea
Mention the exact location of Malleus
State whether the following statement is true (T) or false (F):
There are 31 pairs of cranial nerves.
Differentiate between following pair with reference to the aspect in bracket.
Sensory nerve and motor nerve (direction of impulse carried)
Write the function of Association neuron.
Write the function of medullary sheath.
Write whether the following is true or false:
Neurotransmitters are either broken down or reabsorbed after they have conducted an impulse.
___________ nervous system prepares us for the fight or flight responses.
Which of the following statements is wrong regarding conduction of nerve impulse?
When the potential across the axon membrane is more negative than the normal resting potential, the neuron is said to be in a state of ______.
Nerve cells do not possess ______
Identify the INCORRECT statement regarding multipolar neuron.
Which of the following statements about transmission of nerve impulse is incorrect?
Identify the parts of a neuron which help the nerve impulse to travel towards the cell body.
Write one word for the following:
wave of electrical disturbance that sweeps over the nerve cell.
Distinguish between the following pair:
Nerve impulse and flow of electricity (transmission and speed)
The figure given below is the basic structural and functional unit of the human nervous system. Study the diagram and answer the following questions:
 |
- Write the technical term for the diagram.
- Name two organs of our nervous system where these cells are richly found.
- How are these cells significant for us?
- Name the cell organelle that is absent in these cells and how does it affect our body metabolism?
- Redraw the same figure and label the following Perikaryon, Axon, Dendrites, Myelin sheath and Node of Ranvier.
