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Middle School: 6th, 7th and 8th Grade
Biology
Reflexes
Solution
Q.1.
The last cell in the reflex is which type of neuron?
75%
Motor
25%
Sensory
0%
Intermediate
0%
Relay
Q.2.
If the effector is a gland, what would the response be?
0%
A release of blood
67%
The release of a hormone
33%
A muscle contraction
0%
A muscle expansion
Q.3.
The synapse between the sensory and relay neurones is within which part of the body?
0%
The brain
33%
The heart
67%
The spinal cord
0%
The muscles
Q.4.
A reflex arc consists of a chain of which type of cells?
0%
Brain
67%
Neurons
33%
Muscle
0%
Liver
Q.5.
Your hand touches a hot object. What is the reflex response?
33%
To grab hold of the object
0%
To throw the object
67%
To move the hand away swiftly
0%
To think about what to do
Q.6.
What is the correct order of the reflex arc?
33%
Motor - relay - sensory
0%
Sensory - motor - relay
67%
Sensory - relay - motor
0%
Relay - sensory - motor
Q.7.
Which of the following is true of reflexes?
16%
Faster than hormonal responses
52%
Brain not involved
18%
Act for a short time
14%
Brain involved
Q.8.
The first cell in the reflex is which type of neuron?
0%
Motor
33%
Relay
67%
Sensory
0%
Intermediate
Q.9.
What is the name for the connection between two nerve cells?
0%
Junction
50%
Synapse
25%
Gap
25%
Transmitter
Q.10.
Which of the following is an example of an effector?
33%
The heart
0%
The liver
33%
The kidneys
33%
The muscles
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