Food and digeston - on a diet

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1. What is the test for fat?

  • Rub a small dry food sample on some white paper. Hold the paper up to the light. Protein will leave a white mark
  • Place a food sample in a test tube of about 1 cm. Add five drops of Buiret solution. If there is protein you will see a purple colour but this may take a few minnutes to appear.
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Other questions in this quiz

2. When using iodine in a food test, what substance are you testing for?

  • Starch
  • Protein
  • Fat
  • Carbohydrate

3. Give one reason why we need energy from our food.

  • for health
  • for movement
  • for growth and repair
  • for general body use

4. What do scientists mean by the word 'diet'?

  • what you eat
  • how much food you eat
  • the way your food is digested
  • your favourite food

5. What is starch?

  • A type of fat
  • A typr of carbohydrate
  • A type of protein
  • A type of fibre

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