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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)​​​​​​​

 


Solution

(c) (i) and (iv)

The correct statements are

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

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

(iii) Sensory 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.

Biology
NCERT Exemplar
Standard X

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