Food and digeston - on a diet

HideShow resource information

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.
1 of 7

Other questions in this quiz

2. What is the test for protein?

  • 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.
  • Rub a small dry food sample on some white paper. Hold the paper up to the light. Protein will leave a white mark.

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

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

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

  • Protein
  • Fat
  • Starch
  • Carbohydrate

5. What is the test for starch?

  • Add two drops of iodine solution to a food sample. If there is any starch you will see a blue or black colour.
  • Place a food sample in a test tube of about 1 cm. Add five drops of Buiret solution. If there is any starch you will see a purple colour but this may take a few minnutes to appear.

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Enzymes and digestion resources »