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Middle School: 6th, 7th and 8th Grade
Biology
Reflexes
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Q.1
The last cell in the reflex is which type of neuron?
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Motor
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Sensory
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Intermediate
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Relay
Q.2
If the effector is a gland, what would the response be?
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A release of blood
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The release of a hormone
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A muscle contraction
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A muscle expansion
Q.3
The synapse between the sensory and relay neurones is within which part of the body?
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The brain
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The heart
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The spinal cord
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The muscles
Q.4
A reflex arc consists of a chain of which type of cells?
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Brain
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Neurons
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Muscle
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Liver
Q.5
Your hand touches a hot object. What is the reflex response?
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To grab hold of the object
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To throw the object
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To move the hand away swiftly
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To think about what to do
Q.6
What is the correct order of the reflex arc?
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Motor - relay - sensory
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Sensory - motor - relay
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Sensory - relay - motor
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Relay - sensory - motor
Q.7
Which of the following is true of reflexes?
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Faster than hormonal responses
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Brain not involved
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Act for a short time
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Brain involved
Q.8
The first cell in the reflex is which type of neuron?
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Motor
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Relay
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Sensory
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Intermediate
Q.9
What is the name for the connection between two nerve cells?
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Junction
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Synapse
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Gap
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Transmitter
Q.10
Which of the following is an example of an effector?
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The heart
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The liver
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The kidneys
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The muscles
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