Igcse Model Questions Vol1 2017 Biology Question 3

Practice essay / theory question 3 from the 2017 Igcse Model Questions Vol1 Biology examination. This question covers Digestive system, Enzymes, Carbohydrate digestion .

Igcse Model Questions Vol1 2017 Biology Essay / Theory
Topics: Digestive system Enzymes Carbohydrate digestion
Question 3 IGCSE_MODEL_QUESTIONS_VOL1 • 2017 • BIOLOGY • essay
Igcse Model Questions Vol1 2017 Biology Question 3 diagram

The diagram shows the main parts of the human digestive system.

Question Parts

( a )
Describe the complete pathway that a bolus of food follows from ingestion to elimination, naming each organ it passes through.
( b )
Carbohydrate digestion begins in the mouth and is completed in the small intestine. Explain the role of the enzymes involved at each stage, naming the specific enzymes and the pH at which they are most active.
( c )
A person has a deficiency of pancreatic amylase. Predict how this would affect the digestion of a starchy meal and suggest two practical dietary adjustments to compensate for the deficiency.

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About This Question

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

The question covers Digestive system, Enzymes, Carbohydrate digestion .

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