Q. 25.0( 1 Vote )
Note the relation
(a) Stimulus: Receptor:: Impulse: Effectors
Explanation: The stimulus activates the receptor cells. Whereas the impulse stimulates or activates the effector.
(b) Cerebrum: Diencephalon:: Cerebellum: Medulla oblongata
Explanation: cerebrum and Diencephalon are parts of the Forebrain. The Cerebellum and Medulla oblongata are parts of the Hindbrain.
(c) Receptor: Sensory nerve:: Motor nerve: Effector
Explanation: This is the pathway of a nerve impulse. The receptor transmits the nerve impulse via the sensory nerve to the brain. The brain interprets the impulse and transmits the response to the effector via the motor nerve.
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