Question
Biology Question on excretory products and their elimination
Which part of the nephron is impermeable to water?
A
Proximal convoluted tubule
B
Distal convoluted tubule
C
Ascending limb of loop of Henle
D
Descending limb of loop of Henle
Answer
Ascending limb of loop of Henle
Explanation
Solution
Ascending limb of loop of Henle is impermeable to water. Here water is not reabsorbed, rather sodium, potassium, magnesium and chloride are reabsorbed and therefore the filtrate becomes hypotonic to blood plasma.