One of the following gives the correct sequence of the components in a reflex arc- This is -a- Receptors rarr- Muscle rarr- Sensory neuron rarr- Motor neuron rarr- Spinal cord-b- Receptors rarr- Motor neuron rarr- Spinal cord rarr- Sensory neuron rarr- Muscle-c- Receptors rarr- Spinal cord rarr- Sensory neuron rarr- Motor neuron rarr- Muscle-d- Receptors rarr- Sensory neuron rarr- Spinal cord rarr- Motor neuron rarr- Muscle

(d) Receptors rarr; Sensory neuron rarr; Spinal cord rarr; Motor neuron rarr; Muscle The pathway taken by a nerve impulse in a reflex action is cal ...

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Biology

Reflex Arc

One of the fo...

Question

One of the following gives the correct sequence of the components in a reflex arc. This is :
(a) Receptors → Muscle → Sensory neuron → Motor neuron → Spinal cord
(b) Receptors → Motor neuron → Spinal cord → Sensory neuron → Muscle
(c) Receptors → Spinal cord → Sensory neuron → Motor neuron → Muscle
(d) Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

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Solution

(d) Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

The pathway taken by a nerve impulse in a reflex action is called reflex arc.
The correct sequence of the components in a reflex arc is given below:

Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

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Q. Question 5
Which is the correct sequence of the components of a reflex arc?

(a) Receptors→ Muscles→ Sensory neuron→ Motor neuron→ Spinal cord
(b) Receptors→ Motor neuron → Spinal cord → Sensory neuron → Muscle
(c) Receptors → Spinal cord → Sensory neuron → Motor neuron → Muscle
(d) Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

Q. Question 5
Which is the correct sequence of the components of a reflex arc?

(a) Receptors→ Muscles→ Sensory neuron→ Motor neuron→ Spinal cord
(b) Receptors→ Motor neuron → Spinal cord → Sensory neuron → Muscle
(c) Receptors → Spinal cord → Sensory neuron → Motor neuron → Muscle
(d) Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

The sequence of the components of a reflex arc is

$R e c e p t o r s \to S p i n a l c o r d \to S e n s o r y n e u r o n \to M o t o r n e u r o n \to M u s c l e s$

Q. Receptor, Spinal cord, Effector, Motor neuron, Sensory neuron.

The neuron which carries nerve impulses from receptors to spinal cord is called sensory neuron.

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(d) Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle The pathway taken by a nerve impulse in a reflex action is called reflex arc. The correct sequence of the components in a reflex arc is given below: Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle