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प्रश्न
Complete the following sentence with appropriate Word
A reflex arc in man is best described as movement of stimuli from:
विकल्प
Receptor cell, sensory neuron, relaying neuron, effector muscles
Receptor cell, efferent nerve, relaying neuron, muscles of the body
Receptor cell, spinal cord, motor neuron, relaying neuron
Receptor cell, synapse, motor neuron, relaying neuron
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उत्तर
Receptor cell, sensory neuron, relaying neuron, effector muscles
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संबंधित प्रश्न
Give three examples of reflex actions.
All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
The contraction of pupil of the eye in the presence of bright light is an example of :
(a) Voluntary reflex
(b) Spinal reflex
(c) Cerebral reflex
(d) Adrenal reflex
A cylindrical structure P in our body begins in continuation with medulla and extends downwards. It is enclosed in a bony cage Q and surrounded by membranes R. As many as x pairs of nerves arise from the structure P. The structure P is involved in the reflex actions of our body and conduction of nerve impulses to and from another organ S of our body with which it forms CNS.
(a) Name the structure P.
(b) Name (i) bony cage Q, and (ii) membranes R.
(c) How much is x?
(d) Name the organs S.
(e) What are the reflexes involving structure P only known as?
Put a tick mark (✓) against the correct alternative in the following statement:
The smell of good food causes watering of your mouth. It is a
List in tabular form three distinguishing features between cerebrum and cerebellum.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Knitting without looking
Give an example for conditioned reflexes.
Which of the following is not involved in Knee-jerk reflex?
