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NEET UG BIOLOGY MCQ: EXCRETORY PRODUCTS AND THEIR ELIMINATION

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Ultrafiltration occurs in a glomerulus when

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Correct option: D

Colloidal osmotic pressure plus capsular pressure remain less than glomerular hydrostatic pressure.

Option D (Colloidal osmotic pressure plus capsular pressure remain less than glomerular hydrostatic pressure) is correct because ultrafiltration occurs when the pressure forcing fluid out of the glomerulus (hydrostatic pressure) is greater than the pressures opposing it (colloidal osmotic pressure and capsular hydrostatic pressure).

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