Question

Which of the following statements are true?
(i) Sudden reaction in response to the stimulus is called reflex action.
(ii) Sensory neurons carry signals from the spinal cord to muscles.
(iii) Motor neurons carry signals from receptors to 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)

Answer 1

The correct option is C

(i) and (iv)

With respect to the statements given, (ii) and (iii) are incorrect. Sensory neurons are responsible for carrying signals from the receptors to the spinal cord and brain whereas motor neurons are responsible for carrying signals from the spinal cord to muscles.