STANDARDZoology-Excretory Products and their Elimination
STANDARD Zoology Renal Physiology MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which segment of renal tubule is permeable to water but nearly impermeable to salts
A
Proximal convoluted tubule
B
Descending limb of Henle's loop
C
Ascending limb of Henle's loop
D
Distal convoluted tubule
Correct Answer
Option B
Detailed Explanation
The descending limb of loop of Henle is permeable to water. Its surrounding tissue fluid is hypertonic. Hence, the water moves out and the Na⁺ and Cl⁻ move in the descending limb by passive transport.
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