Which option best shows the scientific process of control and coordination?
Answer and explanation
Correct answer: Detection of a stimulus, message transmission, decision at the control centre, and effector response
The governing concept is control and coordination: an organism detects a stimulus, transmits information through nerves or chemicals, processes it at a coordinating centre, and produces a response through an effector. Option A includes this complete sequence. Digestion, red-blood-cell colour, and remaining fixed in soil are biological features or processes, but they do not describe stimulus-response coordination.
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What is the correct answer to this question?
Detection of a stimulus, message transmission, decision at the control centre, and effector response
Why is this the correct answer?
The governing concept is control and coordination: an organism detects a stimulus, transmits information through nerves or chemicals, processes it at a coordinating centre, and produces a response through an effector. Option A includes this complete sequence. Digestion, red-blood-cell colour, and remaining fixed in soil are biological features or processes, but they do not describe stimulus-response coordination.
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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