Neural Control and Coordination( Neuron and Nerves; Nervous System in Humans Central Nervous System,...) NEET Questions

Biology - Human Physiology

Neural Control and Coordination( Neuron and Nerves; Nervous System in Humans Central Nervous System,...) MCQ Questions


1.
The neural system of all animals is composed of highly specialised cells called:
A.
Neurons
B.
Astrocytes
C.
Schwann cells
D.
Glial cells
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ANSWER :
A. Neurons
2.
The neural system provides:
A.
Hormonal balance only
B.
Only voluntary control
C.
An organised network of point-to-point connections for quick coordination
D.
Slow chemical regulation
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ANSWER :
C. An organised network of point-to-point connections for quick coordination
3.
Lower invertebrates like Hydra have:
A.
Spinal cord
B.
Definite ganglia
C.
A complex brain
D.
A nerve net composed of nerve cells
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ANSWER :
D. A nerve net composed of nerve cells
4.
Insects have a nervous system consisting of:
A.
Only spinal cord
B.
Only nerve net
C.
No nervous system
D.
Brain present along with several ganglia and neural tissues
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ANSWER :
D. Brain present along with several ganglia and neural tissues
5.
The structural and functional unit of the nervous system is:
A.
Nephron
B.
Nerve fibre
C.
Synapse
D.
Neuron
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ANSWER :
D. Neuron
6.
A neuron consists of how many major parts?
A.
Four
B.
Three (cell body, dendrites and axon)
C.
Two
D.
Five
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ANSWER :
B. Three (cell body, dendrites and axon)