Question 2
The gap between two neurons is called a

(a) Dendrite
(b) Synapse
(c) Axon
(d) Impulse

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Solution

(b) Synapse

The gap between two neurons is called a synapse. In the nervous system, a synapse is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron.

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Question 2
Electrical impulse travels in a neuron from

(a) Dendrite → axon → axonal end → cell body
(b) Cell body → dendrite → axon → axonal end
(c) Dendrite → cell body → axon → axonal end
(d) Axonal end → axon → cell body → dendrite

Q. Question 21
Which of the following statements about transmission of nerve impulse is incorrect?

(a) Nerve impulse travels from dendritic end towards axonal end.
(b) At the dendritic end electrical impulses bring about the release of some chemicals which generate an electrical impulse at the axonal end of another neuron.
(c) The chemicals released from the axonal end of one neuron cross the synapse and generate a similar electrical impulse in a dendrite of another neuron.
(d) A neuron transmits electrical impulses not only to another neuron but also to muscle and gland cells.

Question 2
Electrical impulse travels in a neuron from

(a) Dendrite → axon → axonal end → cell body
(b) Cell body → dendrite → axon → axonal end
(c) Dendrite → cell body → axon → axonal end
(d) Axonal end → axon → cell body → dendrite

Question 3
In a synapse, chemical signal is transmitted from

(a) dendritic end of one neuron to axonal end of another neuron
(b) axon to the cell body of the same neuron
(c) cell body to the axonal end of the same neuron
(d) axonal end of one neuron to dendritic end of another neuron

Synapse is the point of contact between the terminal branches of the axon and the dendrites of two different neurons.

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Neurons

Standard IX Biology

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Question 2 The gap between two neurons is called a (a) Dendrite (b) Synapse (c) Axon (d) Impulse

(b) Synapse The gap between two neurons is called a synapse. In the nervous system, a synapse is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron.

Question 2
The gap between two neurons is called a

(a) Dendrite
(b) Synapse
(c) Axon
(d) Impulse

(b) Synapse

The gap between two neurons is called a synapse. In the nervous system, a synapse is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron.