Gce Model Questions Vol1 2019 Biology Question 7

Practice essay / theory question 7 from the 2019 Gce Model Questions Vol1 Biology examination. This question covers Homeostasis .

Gce Model Questions Vol1 2019 Biology Essay / Theory

Topic: Homeostasis

Question 7 GCE_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • essay

Homeostasis is the maintenance of relatively stable internal conditions in the face of external changes.

Question Parts

( a )

Define homeostasis and explain the principle of negative feedback in physiological regulation.

( b )

Using blood glucose regulation as an example, describe the roles of insulin and glucagon, identifying the organs involved and the direction of change in blood glucose concentration.

( c )

Predict the short‑term and long‑term physiological consequences if insulin secretion is completely absent.

( d )

Evaluate why the maintenance of blood glucose within a narrow range is vital for normal cellular function.

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About This Question

This is Gce Model Questions Vol1 2019 Biology Question 7. It is one of the essay questions from the 2019 Gce Model Questions Vol1 Biology examination.

The question covers Homeostasis .

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