Quiz: BC

Which of these substances is most common in your body?

• water

• carbon dioxide

• sodium chloride

• sugar

What are the building blocks of proteins?

• nucleotides

• monosaccharides

• amino acids

• glycerol and fatty acids

Which of these foods is the best source of protein?

• carrots

• cheese pizza

• bread

• steak

How many oxygen (O) atoms are there in C₁₂H₂₂O₁₁

• 11

• 12

• 22

• 45

The four most common elements in living things are:

• hydrogen, oxygen, nitrogen, sulfur

• nitrogen, hydrogen, oxygen, water

• carbon, hydrogen, nitrogen, oxygen

• carbon, hydrogen, calcium, oxygen

DNA and RNA are made of:

• nucleotides

• amino acids

• monosaccharides

• fatty acids

Which of the following is NOT an example of a lipid?

• wax

• vegetable oil

• fat

• table sugar

Which of the following foods is NOT a significant source of lipids?

• peanuts

• rice

• butter

• olive oil

The extra sugars produced by a plant during photosynthesis would most likely be stored as:

• starch

• DNA

• protein

• sucrose

Carbohydrates can do all of the following EXCEPT:

• carry genetic information

• provide short term energy storage

• make strong fibers in plants

• serve as a storage molecule for sugars in plants