Biological Molecules and Nutrients Quiz

Which nutrient is the main source of energy for carrying out chemical reactions and movement?

• Carbohydrates

• Minerals

• Proteins

• Vitamins

Which food is a good source of lipids that act as a longer term store of energy and help keep us warm by insulating us?

• Oily fish

• Leafy vegetables

• Citrus fruits

• Nuts and seeds

What is the main role of proteins in the body?

• Provide energy

• Help absorb calcium

• Build and repair tissue

• Prevent diseases

Which vitamin is important for good vision and to keep the skin and hair healthy?

• Vitamin E

• Vitamin D

• Vitamin C

• Vitamin A

What is the main purpose of vitamin D in the body?

• Improve vision

• Aid in digestion

• Prevent scurvy

• Help absorb calcium

Which mineral is important for strong bones and can be found in dairy products and leafy vegetables?

• Potassium

• Magnesium

• Calcium

• Iron

What is the role of fiber in the body?

• Improve vision

• Build muscle

• Help with digestion

• Provide energy

Where do we get most of our body's water from?

• Drinks

• Meat and fish

• Dairy products

• Fruits and vegetables

What is the main reason we need carbohydrates in our diet?

• To build muscle

• To keep us warm

• To prevent diseases

• As an energy source

Which nutrient is responsible for transporting oxygen around the body and can be found in red meat, spinach, and beans?

• Vitamin D

• Calcium

• Vitamin C

• Iron