Nutrients and Biomolecules Worksheet

Which elements are found in all carbohydrates?

• Carbon, hydrogen, oxygen

• Carbon, nitrogen, oxygen

• Hydrogen, nitrogen, sulfur

• Oxygen, nitrogen, iron

Which extra element is found in proteins but not in carbohydrates or fats?

• Sulfur

• Iron

• Nitrogen

• Calcium

What are proteins made from?

• Sugars

• Amino acids

• Fatty acids

• Glucose

What small molecules join together to make starch?

• A) Amino acids

• B) Glucose molecules

• C) Fatty acids

• D) Glycerol

Which small molecules join to make fats (lipids)?

• Glucose and starch

• Amino acids and glucose

• Fatty acids and glycerol

• Glucose and glycogen

Which nutrient is the main energy source for the body?

• Protein

• Carbohydrate

• Fat

• Vitamin C

Which nutrient is used for growth and repair?

• Fat

• Vitamin D

• Protein

• Carbohydrate

Which nutrient is important for insulation (keeping the body warm)?

• Fat

• Carbohydrate

• Protein

• Vitamin A

Which food is a good source of starch?

• Eggs

• Cheese

• Potato

• Fish

Which food is a good source of protein?

• Bread

• Rice

• Milk

• Oil