Gce Model Questions Vol1 2017 Biology Question 3

Practice essay / theory question 3 from the 2017 Gce Model Questions Vol1 Biology examination. This question covers Nutrition .

Gce Model Questions Vol1 2017 Biology Essay / Theory

Topic: Nutrition

Question 3 GCE_MODEL_QUESTIONS_VOL1 • 2017 • BIOLOGY • essay

Gce Model Questions Vol1 2017 Biology Question 3 diagram

The diagram shows a labelled human digestive system.

Question Parts

( a )

For each of the labelled parts (mouth, esophagus, stomach, duodenum, jejunum, ileum, large intestine, liver and pancreas) state its primary function in the process of digestion and absorption.

( b )

Explain how the activity of pancreatic enzymes is regulated during digestion.

( c )

If a diet provides 250 g of carbohydrate, 80 g of protein and 70 g of fat, estimate the total volume of pancreatic juice required to digest this meal. Assume that for each gram of carbohydrate 1.5 mL of pancreatic juice is needed, for each gram of protein 2.0 mL, and for each gram of fat 3.0 mL.

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About This Question

This is Gce Model Questions Vol1 2017 Biology Question 3. It is one of the essay questions from the 2017 Gce Model Questions Vol1 Biology examination.

The question covers Nutrition .

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