| I. Urine is hypotonic in distal convoluted tubule. |
| II. When the urine passes into the collecting tubule it becomes hypotonic. |
| III. Urine is isotonic in proximal convoluted tubule. |
| IV. Urine becomes more and more hypotonic as it passes through the loop of Henle. |
A) I and IV
B) I, II and III
C) II and HI
D) Only III
Correct Answer: D
Solution :
The osmolarity of nephric filtrate in different pairs of the nephric/renal tubule. Urine is istonic in is Proximal Convoluted Tubule (PCT).
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