IC3 Pre-Test

Calorie is a measure of _________

• energy

• weight

• distance

• volume

What happens to unused calories that you take in?

• Nothing happens, the disappear

• they are stored as fat

• they leave your body

• they give you immediate bonus energy

A chemical reaction in the body happens when food molecules react with ______ to release energy.

• energy

• carbon dioxide

• oxygen

• calories

humans use calories when

• running

• studying

• sleeping

• all of the above

Food provides the body with _____ and _____.

• Energy and amino acid

• energy and building materials

• nutrients and nucleic acids

• fats and carbohydrates

Out of 5 different types of lipids (fats), why are triglycerides the only type of fat that is considered food?

• It is the only fat that provides the body with energy and building materials

• It is the only fat that provides proteins and lipids together

• It is the only fat that gives us building material and oxygen

• all fats are considered food.

Why do we need fat in our diets?

• Fats have lots of calories. We need calories for energy.

• We like to store fats for future use.

• Fats are bad for you. You don't actually need them.

• Fat molecules are used to build cell membranes.

Fats, Carbohydrates, and proteins are called biological molecules. Which biological molecules provide the most energy per gram?

• Fats

• Carbohydrates

• Proteins

• They are all the same.

What are the products of photosynthesis?

• Water and carbon dioxide

• Oxygen and glucose

• Oxygen and carbon dioxide

• Oxygen and water

What is the name of the simple sugar produced in photosynthesis?

• sucrose

• dextrose

• glucose

• lactose