Biology MCQs

1496 MCQs  — Everyday Science MCQs  (Page 69 of 150)

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Which of the followings is missing from the nervous system of planaria_____________?
A. Ganglia
B. Longitudinal nerves
C. Lateral nerves
D. None of these
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In which of the following neurons length of dendrite is greater than axon_______________?
A. Sensory neuron
B. Motor neuron
C. Associative neuron
D. None of these.
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Which of the following cytoplasmic extensions carry the message toward the cell body___________?
A. Dendrites
B. Axon
C. Both of these
D. None of these
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What is the function of synapse________________?
A. To allow nerve impulse to move in backward direction
B. To decrease the speed of nerve impulse
C. To stop the nerve impulse
D. To provide cytoplasmic connection between neurons.
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Which of the following ions are involved in the initiation of nerve impulse_______________?
A. Na+
B. K+
C. Fe
D. None of these
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Central nervous system of man consists of______________?
A. Brain
B. Spinal cord
C. Both of these
D. None of these
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Which of the following is present inside the vertebral column______________?
A. Brain
B. Spinal cord
C. Both of these
D. None of these.
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Which of the following is second largest part of the brain_______________?
A. Cerebrum
B. Cerebellum
C. Thalamus
D. Hypothalamus
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Which of the following allows precise muscular movements_______________?
A. Cerebrum
B. Cerebellum
C. Thalamus
D. Hypothalamus
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It is one of the convulsive disorders of nerves which are characterized by abrupt transient symptoms of motor, sensory, psychic or autonomic nature________________?
A. Parkinson’s disease
B. Epilepsy
C. Alzheimer’s discease
D. Dementia
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Word of the Day
14 Jul
Obscenity
the state or quality of being obscene.
بےہودگی، فحاشی، بے شرمی

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