Gce Model Questions Vol1 2023 Biology Question 3

Practice essay / theory question 3 from the 2023 Gce Model Questions Vol1 Biology examination. This question covers Nutrition .

Gce Model Questions Vol1 2023 Biology Essay / Theory
Topic: Nutrition
Question 3 GCE_MODEL_QUESTIONS_VOL1 • 2023 • BIOLOGY • essay
Gce Model Questions Vol1 2023 Biology Question 3 diagram

The diagram shows a labelled schematic of the human digestive system.

Question Parts

( a )
List the organs shown in the diagram in the order that a bolus of food passes through them from ingestion to excretion.
( b )
For each of the following organs – stomach, pancreas and small intestine – describe its primary function in digestion and absorption.
( c )
A meal contains 60 g of carbohydrate, 20 g of protein and 15 g of fat. Using the standard Atwater factors (4 kcal g⁻¹ for carbohydrate and protein, 9 kcal g⁻¹ for fat), calculate: (i) the total energy supplied by the meal (in kilocalories); (ii) the percentage contribution of each macronutrient to the total energy.

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 Gce Model Questions Vol1 2023 Biology Question 3. It is one of the essay questions from the 2023 Gce Model Questions Vol1 Biology examination.

The question covers Nutrition .

View More Gce Model Questions Vol1 2023 Biology Questions More Gce Model Questions Vol1 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