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Q.

Given below are two statements. One is labelled Assertion (A) and the other is labelled Reason (R). 

Assertion-(A): Respiratory rhythm centre makes necessary adjustments in the respiratory process whenever ions and CO2 increase in blood.

Reason-(R): Chemosensitive area in pons sends signals to the respiratory rhythm centre upon activation.

In light of the above statements, choose the correct answer from the options given below. 

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a

(A) is false but (R) is true.

b

Both (A) and (R) are true and (R) is the correct explanation of (A). 

c

(A) is true but (R) is false.

d

Both (A) and (R) are true but (R) is not the correct explanation of (A).

answer is B.

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Detailed Solution

Chemosensitive area is located in medulla oblongata. 

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