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Earn 100

The components of reflex arc is

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Important Questions on Nervous System

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Science>Biology>Nervous System>Reflex Action
Which one of the following is the correct reflex arc?
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Science>Biology>Nervous System>Reflex Action
Correct sequence of reflex arc is
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Science>Biology>Nervous System>Reflex Action
Describe the composition of Reflex arc.
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Science>Biology>Nervous System>Reflex Action
Reflex arc is formed by
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Science>Biology>Nervous System>Reflex Action
Reflex actions occur under the control of
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Science>Biology>Nervous System>Reflex Action

Complete the blanks to give a meaningful sentence:

Sensory nerves carry messages from the _____ organs to _____ while_____ nerves carry messages from the brain to _____organs.

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Science>Biology>Nervous System>Reflex Action
One of the following gives the correct sequence of the components in a reflex arc. This is
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Science>Biology>Nervous System>Reflex Action
Describe a simple reflex action with suitable example.
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Science>Biology>Nervous System>Reflex Action
Which of the following neurons carries the message to the spinal cord when your finger get pricked by a pin?
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Science>Biology>Nervous System>Reflex Action
Define reflex arc.
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Science>Biology>Nervous System>Reflex Action
Which is the correct sequence of the components of a reflex arc?
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Science>Biology>Nervous System>Reflex Action
Distinguish between receptor and effector.
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Science>Biology>Nervous System>Reflex Action
Organs respond to the external stimulus by a fraction of second. How do you feel about such controlling mechanism of human body?
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Science>Biology>Nervous System>Reflex Action
A person walks across a room in bare feet and puts his foot on a drawing pin lying on the floor. He lets out a cry. Explain what happens in his nervous system in bringing about this response.
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Science>Biology>Nervous System>Reflex Action

Give one word for the following.

The automatic response by the body to a stimulus: _____ action

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Science>Biology>Nervous System>Reflex Action
Knee-jerk is a/ an (conditional/ unconditional) _____ reflex.
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Science>Biology>Nervous System>Reflex Action

Fill in the missing sections in the following flow chart.

Step on
sharp edged
object		   Spinal cord
analyse information
and send
commands		    

 

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Science>Biology>Nervous System>Reflex Action

Fill in the blank with the correct option provided in the bracket.

We respond instantaneous to many stimuli without even knowing about them. These actions are called _____(voluntary actions/reflex actions/slow actions).

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Science>Biology>Nervous System>Reflex Action
Association neurons are also called as _____.
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Science>Biology>Nervous System>Reflex Action
Which is the correct sequence of the components of a reflex arc?