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प्रश्न
Reflex action is controlled by the
विकल्प
brain
spinal cord
autonomic
peripheral nervous system
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उत्तर
spinal cord
संबंधित प्रश्न
State whether coughing is a voluntary action or reflex action.
What are the various sense organs in our body?
Give the flow chart of a spinal reflex arc.
Which of the following are cerebral reflexes?
(i) a person pulls away his hand on touching a hot object
(ii) a person spits out immediately when a fly enters his mouth while talking
(iii) A person walking bare foot lifts his foot at once on stepping on to a nail
(iv) A person's pupil contracts at once in the presence of bright light
(a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (ii) and (iv)
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
Write down the following activities in the correct order for a simple reflex arc:
(a) impulse travels in the motor fibre
(b) impulse travels in the sensory fibre
(c) effector organ stimulated
(d) impulse crosses the synapse
Differentiate between the following pair of terms:
Stimulus and impulse
Two hungry boys (A and B) enter a restaurant and find a table decorated as follows:
Boy B starts salivating but not A. Explain the reason for this difference.
List in tabular form two differences between reflex action and walking.
What type of reflex is the following?
Blinking of the eye
