Zoology-(general)

NEET Zoology (general) MCQ Question

Type: MCQ-fact-Hard-Class 11

What is the primary function of the juxta glomerular apparatus (JGA) in the kidneys?

A

Regulates glomerular filtration rate (GFR)

B

Filters blood to produce urine

C

Reabsorbs water in the collecting duct

D

Secretes hormones to control blood pressure

Correct Answer

Option A

Detailed Explanation

The juxta glomerular apparatus (JGA) plays a critical role in regulating the glomerular filtration rate (GFR) by releasing renin when there is a fall in GFR, thus stimulating glomerular blood flow. This mechanism helps to maintain homeostasis in kidney function.

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