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Question-1
Which of the following hormones require iodine?
(A)
Thyroxin
(B)
Aldosterone
(C)
Parathyroid hormone
(D)
Insulin
Question-2
Which of the following are types of neurons?
(A)
Sensory
(B)
Motor
(C)
Interneurons
(D)
All of the above
Question-3
How does an axon conduct nerve impulses ?
(A)
Away from the cell body
(B)
Towards the cell body
(C)
Both towards and away from the cell body
(D)
Around, bypassing the cell body
Question-4
Where does the sensory neuron of the peripheral nervous system take nerve impulses from sensory receptors to?
(A)
Motor neurons
(B)
Interneurons
(C)
Autonomic nervous system
(D)
Central nervous system
Question-5
The enzyme that breaks down a neurotransmitter is the :
(A)
Acetylcholine
(B)
Serotonin
(C)
Dopamine
(D)
Acetylcholinesterase
Question-6
How does a dendrite conducts nerve impulses ?
(A)
Away from the cell body
(B)
Towards the cell body
(C)
Both towards and away from the cell body
(D)
Around bypassing the cell body
Question-7
Humans have how many pairs of cranial nerves ?
(A)
4
(B)
12
(C)
16
(D)
21
Question-8
Which part of the brain control the anterior pituitary gland secretions ?
(A)
Medulla
(B)
Thalamus
(C)
Cerebral cortex
(D)
Hypothalamus
Question-9
The peripheral nervous system includes mixed nerves that:
(A)
Serve the muscular and skeletal system
(B)
Serve the sympathetic system
(C)
Serve the parasympathetic system
(D)
Contain both sensory and motor fibers
Question-10
Which of the following are the parts of neurons?
(A)
Brain, spinal cord, and vertebral column
(B)
Dendrite, axon, and cell body
(C)
Sensory and motor
(D)
Cortex, medulla and sheath
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Cambridge Secondary Grade 9
IGCSE
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