Gce Model Questions Vol1 2025 Biology Question 3

Practice essay / theory question 3 from the 2025 Gce Model Questions Vol1 Biology examination. This question covers Nutrition .

Gce Model Questions Vol1 2025 Biology Essay / Theory

Topic: Nutrition

Question 3 GCE_MODEL_QUESTIONS_VOL1 • 2025 • BIOLOGY • essay

Gce Model Questions Vol1 2025 Biology Question 3 diagram

The diagram shows the major organs of the human digestive system involved in the processing and absorption of nutrients.

Question Parts

( a )

Identify the organ where the majority of carbohydrate digestion occurs and explain why the enzymes present there are particularly suited to this function.

( b )

Using the surface‑area values shown below, calculate the percentage of the total absorptive surface area of the small intestine that is contributed by the jejunum. Duodenum: 1.2 m² Jejunum: 2.5 m² Ileum: 3.0 m² Large intestine: 0.5 m²

( c )

Discuss two physiological consequences of a deficiency of pancreatic lipase on nutrient absorption.

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About This Question

This is Gce Model Questions Vol1 2025 Biology Question 3. It is one of the essay questions from the 2025 Gce Model Questions Vol1 Biology examination.

The question covers Nutrition .

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