Gce Model Questions Vol1 2022 Biology Question 7

Practice essay / theory question 7 from the 2022 Gce Model Questions Vol1 Biology examination. This question covers Homeostasis, Regulation of blood glucose, Thermoregulation .

Gce Model Questions Vol1 2022 Biology Essay / Theory

Topics: Homeostasis Regulation of blood glucose Thermoregulation

Question 7 GCE_MODEL_QUESTIONS_VOL1 • 2022 • BIOLOGY • essay

Explain the principle of homeostasis and answer the following questions.

Question Parts

( a )

Describe the negative‑feedback mechanism that controls blood glucose concentration, naming the key hormones, the organs involved and the sequence of events when blood glucose rises after a meal.

( b )

Compare the physiological and behavioural strategies used by humans and a desert‑dwelling reptile to maintain core body temperature within a narrow range.

( c )

A patient with damage to the hypothalamic thermoregulatory centre is exposed to a cold environment (5 °C). Predict the sequence of physiological changes that will occur and explain why the patient is unable to restore normal core temperature.

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About This Question

This is Gce Model Questions Vol1 2022 Biology Question 7. It is one of the essay questions from the 2022 Gce Model Questions Vol1 Biology examination.

The question covers Homeostasis, Regulation of blood glucose, Thermoregulation .

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