KS3 Term 1 Assessment

What is the function of carbohydrates?

• Growth and repair

• Primary energy source

• Pushes food through the digestive system

• Maintain good health

What is the correct definition of malnutrition?

• Being underweight

• Being overweight

• Being obese

• An unbalanced diet lacking in a specific nutrient

What is the function of fat?

• Growth and repair

• Primary source of energy

• Insulation and energy store

• Push food through the digestive system

Where does gas exchange occur in the lungs?

• Trachea

• Bronchi

• Alveoli

• Bronchioles

Which gas is transferred from the blood into the alveoli?

• Oxygen

• Carbon-dioxide

• Nitrogen

• Chlorine

How does exercise affect the body?

• Increases the heart-rate

• Decrease the heart-rate

• Increases respiratory rate

• Decreases respiratory rate

What is the function of protein in the diet?

• Growth and repair

• Energy store

• Insulation

• Helps digestion

What does inhalation mean?

• Breathing in

• Breathing out

What does exhalation?

• Breathing in

• Breathing out

What is the function of an enzyme?

• To break things down

• To speed up the rate of a reaction

• To be a protein

• To make sugar