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Why can development of a reflex arc be considered useful for organisms?

Answer and explanation

Correct answer: It gives a very quick protective response to dangerous stimuli

The governing concept is rapid protective action through a reflex arc. A reflex arc provides a short pathway from receptor to sensory neuron, relay centre, motor neuron, and effector, allowing the body to respond before conscious thinking is complete. This reduces injury from heat, pain, or sudden danger. Hence option A is correct. The other options describe unrelated or impossible effects and do not explain the survival value of reflexes.

Related tags

Reflex-ArcProtective-ResponseNervous-SystemReflex ActionControl And CoordinationScienceClass 10 Mcq

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