Neco Model Questions Vol1 2024 Biology Question 7

Practice essay / theory question 7 from the 2024 Neco Model Questions Vol1 Biology examination. This question covers Homeostasis, Endocrine system, Blood glucose regulation .

Neco Model Questions Vol1 2024 Biology Essay / Theory

Topics: Homeostasis Endocrine system Blood glucose regulation

Question 7 NECO_MODEL_QUESTIONS_VOL1 • 2024 • BIOLOGY • essay

Blood glucose concentration is tightly regulated in humans to ensure adequate energy supply to cells while preventing harmful hyperglycaemia or hypoglycaemia.

Question Parts

( a )

Describe the roles of insulin and glucagon in the short‑term regulation of blood glucose.

( b )

Explain how liver glycogen storage and breakdown assist in maintaining glucose homeostasis.

( c )

Discuss how negative feedback operates in this regulatory system, identifying the sensor, integrator and effector components.

( d )

Evaluate the likely physiological consequences if this regulatory mechanism fails, giving at least two examples of disorders that may arise.

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About This Question

This is Neco Model Questions Vol1 2024 Biology Question 7. It is one of the essay questions from the 2024 Neco Model Questions Vol1 Biology examination.

The question covers Homeostasis, Endocrine system, Blood glucose regulation .

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