Macromolecule Indicators Quiz

Which indicator is commonly used to test for the presence of carbohydrates?

• Hydrochloric acid

• Litmus paper

• Benedict's solution

• Iodine solution

Tags

NGSS.MS-PS1-2

Which indicator is commonly used to test for the presence of proteins?

• Biuret reagent

• Iodine solution

• Benedict's reagent

• Sudan III stain

Which indicator is commonly used to test for the presence of lipids?

• Sudan IV

• Biuret reagent

• Benedict's solution

• Iodine solution

What color change indicates the presence of proteins in the Biuret test?

• Green

• Violet or purple

• Yellow

• Red

What color change indicates the presence of starch in the iodine test?

• Yellow

• Blue-black

• Red

• Green

What macromolecule is tested using the Biuret test?

• Nucleic acids

• Carbohydrates

• Lipids

• Proteins

Tags

NGSS.HS-LS1-1

What macromolecule is tested using Benedict's test?

• Lipids

• Carbohydrates

• Nucleic acids

• Proteins

What macromolecule is tested using the Sudan IV test?

• nucleic acids

• lipids

• proteins

• carbohydrates

What is the purpose of using indicators in macromolecule tests?

• To identify the color of the macromolecules

• To detect the presence or absence of specific macromolecules

• To determine the size of the macromolecules

• To measure the temperature of the macromolecules