In a reflex arc in which direction does the motor nerve carry the message?
Answer and explanation
Correct answer: From spinal cord to effector
The governing concept is the direction of impulses in a reflex arc. After the spinal cord processes the sensory information and forms a response, a motor or efferent nerve carries the command away from the spinal cord to an effector. The effector may be a muscle or gland and produces the required response. Thus option A is correct. The reverse direction belongs to sensory nerves, while the other choices describe unrelated pathways.
Frequently asked questions
What is the correct answer to this question?
From spinal cord to effector
Why is this the correct answer?
The governing concept is the direction of impulses in a reflex arc. After the spinal cord processes the sensory information and forms a response, a motor or efferent nerve carries the command away from the spinal cord to an effector. The effector may be a muscle or gland and produces the required response. Thus option A is correct. The reverse direction belongs to sensory nerves, while the other choices describe unrelated pathways.
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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