Neco 2023 Biology Question 7

Practice essay / theory question 7 from the 2023 Neco Biology examination. This question covers Homeostasis, Regulation of blood glucose, Negative feedback, Endocrine disorders, Experimental design .

Neco 2023 Biology Essay / Theory

Topics: Homeostasis Regulation of blood glucose Negative feedback Endocrine disorders Experimental design

Question 7 NECO • 2023 • BIOLOGY • essay

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

Question Parts

( a )

Explain, with a labelled diagram, how the pancreas regulates blood glucose concentration through a negative feedback mechanism. Include the roles of insulin and glucagon.

( b )

Predict the biochemical and physiological changes that would occur in a person with chronic insulin deficiency (type 1 diabetes). Discuss at least three systems.

( c )

Design a simple laboratory experiment to test the efficacy of a new insulin‑mimetic drug on lowering blood glucose in diabetic rats. Outline the control groups, variables, method of measurement and criteria for success.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Neco 2023 Biology Question 7. It is one of the essay questions from the 2023 Neco Biology examination.

The question covers Homeostasis, Regulation of blood glucose, Negative feedback, Endocrine disorders, Experimental design .

View More Neco 2023 Biology Questions More Neco Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support