Igcse Model Questions Vol1 2025 Biology Question 6

Practice essay / theory question 6 from the 2025 Igcse Model Questions Vol1 Biology examination. This question covers Excretion .

Igcse Model Questions Vol1 2025 Biology Essay / Theory

Topic: Excretion

Question 6 IGCSE_MODEL_QUESTIONS_VOL1 • 2025 • BIOLOGY • essay

The human kidney is essential for excretion and the maintenance of internal homeostasis.

Question Parts

( a )

Outline the route taken by blood through the kidney, naming each major structure from the renal artery to the renal vein.

( b )

Explain two key processes that enable the kidney to regulate the volume and composition of urine.

( c )

A patient with a deficiency of antidiuretic hormone (ADH) produces a large volume of dilute urine. Predict two changes that are likely to occur in the composition of the blood plasma and explain the physiological basis for each change.

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About This Question

This is Igcse Model Questions Vol1 2025 Biology Question 6. It is one of the essay questions from the 2025 Igcse Model Questions Vol1 Biology examination.

The question covers Excretion .

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