Consider the following statements.
(a) Sudden action in response to something in the environment is called reflex action.
(b) Sensory neurons carry signals from the spinal cord to muscles.
(c) Motor neurons carry signals from receptors to the spinal cord.
(d) The path through which signals are transmitted from a receptor to a muscle or a gland is called a reflex arc.
Which of the above statements are correct?

(a) and (b)

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(a) and (c)

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(a) and (d)

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(a), (b) and (c)

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Solution

The correct option is C (a) and (d)
Sudden action in response to something in the environment is called reflex action.
The path through which signals are transmitted from a receptor to a muscle or a gland is called a reflex arc.
Sensory neurons carry signals from receptors to the spinal cord and brain.
Motor neurons carry signals from the CNS to effectors.
Therefore, the correct answer is option C.

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Similar questions

Which of the following statements are true?
(i) Sudden reaction in response to the stimulus is called the reflex action.
(ii) Sensory neurons carry signals from the spinal cord to the muscles.
(iii) Motor neurons carry signals from the receptors to the spinal cord.
(iv) The path through which signals are transmitted from a receptor to a muscle or a gland is called a reflex arc.

Question 6
Which of the following statements are true?

(i) Sudden action in response to something in the environment is called reflex action.

(ii) Sensory neurons carry signals from the spinal cord to muscles.

(iii) Motor neurons carry signals from receptors to the spinal cord.

(iv) The path through which signals are transmitted from a receptor to a muscle or a gland is called reflex arc.

(a) (i) and (ii)
(b) (i) and (iii)
(c) (i) and (iv)
(d) (i) , (ii) and (iii)

Which of the following statements are true ?

(i) sudden action in response to something in the environment is called reflex action

(ii) sensory neurons carry electrical signals from spinal cord to muscles in a reflex action

(iii) motor neurons carry signals from receptors to spinal cord in a reflex action

(iv) the pathway of transmitting signals from a receptor to a muscle is a reflex action

(a) (i) and (ii)

(b) (i) and (iii)

(d) (i) , (ii) and (iii)

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

One of the following gives the correct sequence of the components in a reflex arc. This is :

(a) Receptors $\to$ Muscle $\to$ Sensory neuron $\to$ Motor neuron $\to$ Spinal cord

(b) Receptors $\to$ Motor neuron $\to$ Spinal cord $\to$ Sensory neuron $\to$ Muscle

(d) Receptors $\to$ Sensory neuron $\to$ Spinal cord $\to$ Motor neuron $\to$ Muscle

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