Organic Compounds Quiz

What is a key characteristic that distinguishes organic compounds from inorganic compounds?

• Presence of phosphorus

• Presence of nitrogen

• Presence of both carbon and hydrogen

• Presence of oxygen

Which elements are typically found in carbohydrates?

• Carbon, nitrogen, and oxygen

• Carbon, hydrogen, and oxygen

• Hydrogen, oxygen, and phosphorus

• Carbon, hydrogen, and nitrogen

What is the primary function of carbohydrates in most organisms?

• Main energy source

• Hormone production

• Energy storage

• Structural support

Which of the following is a disaccharide?

• Cellulose

• Glucose

• Fructose

• Maltose

What is the main difference in the chemical formula of lipids compared to carbohydrates?

• Lipids contain nitrogen

• Lipids have a higher hydrogen to oxygen ratio

• Lipids contain phosphorus

• Lipids have a lower carbon content

Which of the following is NOT a type of lipid?

• Enzymes

• Waxes

• Oils

• Fats

What additional element is found in proteins that is not in carbohydrates or lipids?

• Nitrogen

• Sulfur

• Phosphorus

• Calcium

What are the building blocks of proteins?

• Fatty acids

• Monosaccharides

• Nucleotides

• Amino acids

Which element is unique to nucleic acids compared to other organic compounds?

• Phosphorus

• Sulfur

• Iron

• Calcium

What is the primary role of DNA in organisms?

• Cell membrane structure

• Hereditary information

• Energy storage

• Protein synthesis