Digestion

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  • Created by: Sophrowe
  • Created on: 30-03-15 14:54

1. Why does the small intestine have a large surface area?

  • Its lining is folded and it contains villi which contain microvilli
  • Its lining is unfolded and it contains villi which contain microvilli
  • Its lining is folded and it contains enzymes
  • Its lining is unfolded and it contains enzymes
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Other questions in this quiz

2. What enzyme breaks down carbohyrates?

  • Carbohydrases
  • Proteases
  • Lipases
  • Amylase

3. What is the optimum pH of the protease enzyme?

  • pH 10
  • pH1-2
  • pH 7
  • pH 5-6

4. What is the pH of bile? Why is this good for the enzymes?

  • Alkaline- neutralises acid to make the conditions right for enzymes
  • Acid- gives enzyme a greater surface area to work on
  • Acid- helps to contribute to the low pH in the stomach
  • Alkaline- helps the mouth chew more food

5. Where does the protease enzyme break down proteins?

  • Mouth and small intestine
  • Large intestine
  • Stomach and small intestine
  • Small intestine

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