Which statement best shows the idea of stimulus and response?
Answer and explanation
Correct answer: A stimulus is an external or internal change, and a response is the action produced in reply
The governing concept is stimulus-response coordination. A stimulus is a detectable change, either outside the organism, such as light or heat, or inside it, such as a change in water level. A response is the action or adjustment produced after detection, such as bending or withdrawing a hand. Hence option A is correct; the other options confuse stimuli with hormones or body parts and make false absolute claims.
Frequently asked questions
What is the correct answer to this question?
A stimulus is an external or internal change, and a response is the action produced in reply
Why is this the correct answer?
The governing concept is stimulus-response coordination. A stimulus is a detectable change, either outside the organism, such as light or heat, or inside it, such as a change in water level. A response is the action or adjustment produced after detection, such as bending or withdrawing a hand. Hence option A is correct; the other options confuse stimuli with hormones or body parts and make false absolute claims.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Control and Coordination.
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