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Questions
Differentiate between following pair with reference to the aspect in bracket.
Sensory nerve and motor nerve (direction of impulse carried)
Distinguish between the following pair:
Sensory nerve and motor nerve (direction of impulse carried)
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Solution
| Sensory Nerve | Motor Nerve | |
| 1. | Sensory nerves contain only sensory fibres, bringing impulses from the receptors (sense organs) to the brain or spinal cord. | Motor nerves contain only motor fibres carrying impulses from the brain or spinal cord to effector organs (muscles or glands) to bring them into action. |
RELATED QUESTIONS
The diagram given below is a representation of a certain phenomenon pertaining to the nervous system. Study the diagram and answer the following questions:
(i) Name the phenomenon which is being depicted.
(ii) Give the technical term for the point of contact between the two nerve cells.
(iii) Name the parts 1, 2, 3, and 4.
(iv) Write the functions of parts 5 and 6
(v) How does the arrangement of neurons in the spinal cord differ from that of the brain?
The number of Spinal nerves in a human being are :
(A) 31 pairs
(B) 10 pairs
(C) 21 pairs
(D) 30 pairs
State whether the following statement is true (T) or false (F):
Each neuron consists of three parts called cell body, cyton and axon.
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Effector - Sensory neuron - Receptor - Motor neuron - Stimulus - Central nervous system Response (Reflex arc)
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
axon endings → nucleus → Dendrites → axon → perikaryon → Dendron(Neutron structure)
What does the neural tissue consist of?
____________ is the interconnection between two neurons or neuron with motor organ.
Each branch of the axon terminates as a bulb-like structure called ______
Any factor that can bring a change in the body of an organism is called ______.
