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What is the correct direction of flow of electrical impulses? - Science

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प्रश्न

What is the correct direction of flow of electrical impulses?

पर्याय

MCQ
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उत्तर

Explanation - 

The impulse travels from dendrites to the cell body and then the axon to the axon terminal. Electrical impulse releases some chemicals called neurotransmitters at the axonal terminal. This chemical excites the dendrite of another neuron to transmit the signal.

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पाठ 7: Control and Coordination - Multiple Choice Questions [पृष्ठ ६१]

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एनसीईआरटी एक्झांप्लर Science [English] Class 10
पाठ 7 Control and Coordination
Multiple Choice Questions | Q 25. | पृष्ठ ६१

संबंधित प्रश्‍न

Distinguish between Cranial nerves and spinal nerves.


Mention the exact location of the Lacrimal gland


Mention the exact location of Hydathodes


Write the function of synapse.


 Identify the ODD term in each set and name the CATEGORY to which the remaining three belong : 
Axon, Dendron, Photon, Cyton


Name the following:
The nerve which carry impulse from CNS to muscles.


Write whether the following is true or false:
Neurotransmitters are either broken down or reabsorbed after they have conducted an impulse.


How does an impulse travel across a synapse?


All of the following are associated with the myeline sheath except


______ is the longest cell in our body.


Classify neurons based on their structure.


‘A’ is a cylindrical structure that begins from the lower end of the medulla and extends downwards. It is enclosed in bony cage ‘B’ and covered by membranes ‘C’. As many as ‘D’ pairs of nerves arise from the structure ‘A’.

(i) What is A?

(ii) Name (a) bony cage ‘B’ and (b) membranes ‘C’

(iii) How much is D?


______ is the gap between the axon of one terminal neuron and the dendrites of next neuron.


Select the motor nerves from the following group.


Identify the parts of a neuron which help the nerve impulse to travel towards the cell body.


Identify the parts of a neuron which help the nerve impulse to travel away from the cell body.


Write one word for the following:

Long thread-like part of the nerve cell.


Write one word for the following:

The kind of nerve carrying impulses from the brain to a gland or muscle.


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