Food Tests Quiz

Which reagent is used to test for starch?

• Benedict's solution

• Ethanol

• Biuret solution

• Iodine solution

What is the positive color change for the iodine test?

• Blue

• Brown

• Blue/black

• Brick-red

Which food molecule is made of glucose units?

• Protein

• Lipid

• Carbohydrate

• Enzyme

Which reagent is used to test for reducing sugars?

• Biuret solution

• Benedict's solution

• Iodine solution

• Ethanol

What is needed for the Benedict’s test to work?

• Cold water

• Light

• Heat

• Acid

What color indicates a positive Benedict’s test?

• Purple

• Milky-white

• Brick-red/orange

• Blue

Which of the following is NOT a carbohydrate?

• Glycogen

• Cellulose

• Protein

• Starch

What are the basic units of proteins?

• Glucose

• Glycerol

• Fatty acids

• Amino acids

Which macromolecule contains nitrogen?

• Lipid

• Carbohydrate

• Protein

• Starch

Which reagent is used in the Biuret test?

• Iodine

• Benedict’s

• Ethanol

• Biuret solution