Carbohydrates, Fats, and Proteins Quiz

What is the most abundant compound in our bodies?

• Water

• Carbohydrate

• Fat

• Protein

Which element is NOT a component of carbohydrate molecules?

• Oxygen

• Hydrogen

• Carbon

• Nitrogen

What is the function of glucose in the human body?

• Energy storage

• Cell wall formation

• Transportation

• DNA replication

Which carbohydrate is stored in plant cells and can be broken down to form glucose?

• Sucrose

• Cellulose

• Starch

• Glycogen

What color does iodine solution change to if starch is present?

• Red

• Blue

• Black

• Green

Which test can be used to detect reducing sugars like glucose?

• Iodine test

• Sudan III test

• Benedict's test

• Biuret test

What is the main function of cellulose in plants?

• Cell wall formation

• Transportation

• Energy storage

• DNA replication

Which carbohydrate is found in both plants and animals?

• Sucrose

• Cellulose

• Starch

• Glycogen

What is the formula of a glucose molecule?

• C3H8O3

• C2H6O

• C6H12O6

• CH4O2