STANDARDZoology-Excretory Products and their Elimination
STANDARD Zoology Urine Formation MCQ Question
Type: MCQ-conceptual-Medium-Class 11
We can produce concentrated/dilute urine. This is facilitated by a special mechanism. Identify the mechanism
A
Reabsorption from PCT
B
Reabsorption from collecting duct
C
Reabsorption/Secretion in DCT
D
Counter current mechanism in Henle's loop/Vasa recta
Correct Answer
Option D
Detailed Explanation
The counter current mechanism helps to concentrate the filtrate which occurs in loop of Henle and Vasa recta in the medulla region of the kidney. It helps in easy absorption of water from the filtrate present in the collecting duct so that the concentration of the urine is increased.
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