Which option correctly matches receptor, effector, and control centre?
Answer and explanation
Correct answer: Skin, muscle, spinal cord
In a reflex pathway, a receptor detects the stimulus, a control centre processes the impulse, and an effector produces the response. Skin contains receptors that detect heat or touch; the spinal cord coordinates the rapid reflex; and a muscle contracts to move the hand. Therefore option A gives the correct order. The other combinations confuse receptors, effectors, glands, hormones, or plant structures and do not form a valid reflex pathway.
Frequently asked questions
What is the correct answer to this question?
Skin, muscle, spinal cord
Why is this the correct answer?
In a reflex pathway, a receptor detects the stimulus, a control centre processes the impulse, and an effector produces the response. Skin contains receptors that detect heat or touch; the spinal cord coordinates the rapid reflex; and a muscle contracts to move the hand. Therefore option A gives the correct order. The other combinations confuse receptors, effectors, glands, hormones, or plant structures and do not form a valid reflex pathway.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Nervous system.
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