What is the correct sequence in a reflex arc?
Answer and explanation
Correct answer: Receptor → sensory nerve → spinal cord → motor nerve → effector
The governing concept is the reflex arc, a rapid pathway that produces a protective response without waiting for conscious brain processing. A receptor detects the stimulus and a sensory neuron carries the impulse to the spinal cord. A motor neuron then carries the command to an effector such as a muscle or gland. Therefore option D gives the correct complete sequence.
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What is the correct answer to this question?
Receptor → sensory nerve → spinal cord → motor nerve → effector
Why is this the correct answer?
The governing concept is the reflex arc, a rapid pathway that produces a protective response without waiting for conscious brain processing. A receptor detects the stimulus and a sensory neuron carries the impulse to the spinal cord. A motor neuron then carries the command to an effector such as a muscle or gland. Therefore option D gives the correct complete sequence.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Reflex action.
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