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Assertion: DCT helps in maintaining \( \mathrm{pH} \) and \( \mathrm{Na}-\mathrm{K} \)
Page No. 294
\( \mathrm{P} \)
balance in blood.
W
Reason: Reabsorption of \( \mathrm{HCO}_{3}^{-} \)and selective secretion of \( \mathrm{H}^{+} \)and \( \mathrm{K}^{+} \)ions takes place in DCT.
(1) Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).
(2) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).
(3) Assertion (A) is true and Reason (R) is false.
(4) Assertion (A) and Reason (R) both are false.
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