Natural Polymers and Their Monomers Quiz

What is a polymer?

• A small molecule made up of repeating subunits

• A large molecule made up of repeating subunits called monomers

• A type of synthetic rubber

• A natural mineral found in the earth

Which of the following is a natural polymer?

• Teflon

• Polyester

• Cellulose

• Nylon

What is the monomer of natural rubber?

• D-galacturonic acid

• Nucleotides

• Isoprene

• Glucose

From which source can cellulose be obtained?

• Living organisms

• Plants and algae

• Rubber tree

• Insects and arachnids

What are the monomers of DNA and RNA?

• Nucleotides

• Monosaccharides

• Amino acids

• Fatty acids

Which of the following is not a natural polymer?

• Starch

• Silk

• Wool

• Polyethylene

What is the main component of silk?

• Lignin

• Pectin

• Cellulose

• Fibroin

Which polymer is found in the exoskeletons of arthropods?

• Elastin

• Collagen

• Keratin

• Chitin

What is the source of lignin?

• All vertebrates

• Arthropods

• Plants

• Birds and reptiles

Which of the following is a characteristic of natural polymers?

• They are derived from petrochemicals

• They cannot form large molecules

• They are made in a lab through chemical reactions

• They are usually produced by living organisms