STANDARDZoology-Excretory Products and their Elimination
STANDARD Zoology Regulation of Kidney Function MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A fall in glomerular filtration rate (GFR) activates
A
Juxta glomerular cells to release renin
B
Adrenal cortex to release aldosterone
C
Adrenal medulla to release adrenaline
D
Posterior pituitary to release vasopressin
Correct Answer
Option A
Detailed Explanation
When there is a fall in glomerular filtration rate, it activates the juxta glomerular cells to release renin. This stimulates the glomerular blood flow, thereby bringing GFR back to normal. Renin brings the GFR back to normal by the activation of the renin-angiotensinogen mechanism.
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