Igcse Model Questions Vol1 2018 Biology Question 7

Practice essay / theory question 7 from the 2018 Igcse Model Questions Vol1 Biology examination. This question covers Homeostasis .

Igcse Model Questions Vol1 2018 Biology Essay / Theory

Topic: Homeostasis

Question 7 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • BIOLOGY • essay

Homeostasis is essential for maintaining the internal environment of the human body within narrow limits.

Question Parts

( a )

Explain how negative feedback regulates the concentration of glucose in the blood, describing the roles of the pancreas, insulin and glucagon.

( b )

Describe two mechanisms by which the body conserves water when fluid intake is low, linking each mechanism to the role of the kidneys and the hormone ADH.

( c )

A patient diagnosed with diabetes insipidus produces large volumes of dilute urine. Explain how this condition disrupts homeostasis and discuss the likely physiological consequences.

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About This Question

This is Igcse Model Questions Vol1 2018 Biology Question 7. It is one of the essay questions from the 2018 Igcse Model Questions Vol1 Biology examination.

The question covers Homeostasis .

View More Igcse Model Questions Vol1 2018 Biology Questions More Igcse Model Questions Vol1 Practice Questions Back to Questions

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