Nutrients Revision Quiz 2

A solid food sample was provided. Reorder the sequence of steps below to test the food sample.

• Decant 2 cm³ the liquid into another test-tube.

• Shake the test-tube to mix its contents.

• Cut the food sample into smaller pieces and add them into a test-tube.

• Add the test reagent into the test-tube.

• Add 6 cm³ of distilled water to the food sample in the test-tube.

Match the following

• complex carbohydrate

• glucose

• single sugar

• oil

• double sugar

• maltose

• lipid

• glycogen

• unfolded protein

• polypeptide

Starch, glycogen and cellulose are complex carbohydrates. They give a ​ (a)   result when tested with Benedict's solution.

• negative
• positive
• neutral

Which of the following is a reducing sugar

• glucose

• fructose

• sucrose

• maltose

• glycerol

Oils and butter are lipids.

• True

• False