AIIMS 2017
- Exam
- AIIMS
- Year
- 2017
- Subject
- Zoology
- Chapter
- Excretory Products and their Elimination
AIIMS 2017 · Zoology · Excretory Products and their Elimination
Which part of the nephron is impermeable to water?
Which part of the nephron is impermeable to water?
Options
- AProximal convoluted tubule
- BDistal convoluted tubule
- CAscending limb of loop of Henle
- DDescending limb of loop of Henle
Correct answer
C. Ascending limb of loop of Henle
Step-by-step 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.