3
Question
A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
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Solution
The correct option is C receptor
Answer: (c) Receptor
- Receptors contain groups of cells which are sensitive to the energy provided by the stimulus.
- At a receptor, the energy provided by a stimulus sets off a chemical reaction which converts the energy of stimulus into an electrical signal called 'electrical impulse' (nerve impulse or just impulse).
- So, all the receptors in the sense organs receive stimuli from the surrounding environment and send the message conveyed by them to the spinal cord and brain in the form of electrical impulses through the sensory nerves.
Answer: (c) Receptor
- Receptors contain groups of cells which are sensitive to the energy provided by the stimulus.
- At a receptor, the energy provided by a stimulus sets off a chemical reaction which converts the energy of stimulus into an electrical signal called 'electrical impulse' (nerve impulse or just impulse).
- So, all the receptors in the sense organs receive stimuli from the surrounding environment and send the message conveyed by them to the spinal cord and brain in the form of electrical impulses through the sensory nerves.
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