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प्रश्न
What is a reflex action?
What is meant by Reflex action?
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उत्तर १
Reflex action is a sudden, spontaneous, automatic, involuntary response to a stimulus.
उत्तर २
Reflex action is an autonomic, quick and involuntary action in the body brought about by a stimulus.
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संबंधित प्रश्न
Fill in the following blank with suitable word :
A neuron which carries an impulse to the brain is called a ........... neuron.
Name the function of cerebrum.
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the smell of the food?
Give the various functions of brain.
A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
(a) interceptor
(b) effector
(c) receptor
(d) acceptor
Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
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Boy B starts salivating but not A. Explain the reason for this difference.
Reflex action is controlled by the
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Sneezing
State whether the following is simple reflex, conditioned reflex or neither of the two.
Blushing
State whether the following is simple reflex, conditioned reflex or neither of the two.
Knitting without looking
State whether the following is
Cleaning
State whether the following is
Playing on the Keyboard
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
Give an example for conditioned reflexes.
What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.
Reflex arc allows the rapid response of the body to a stimulus.
