Respiratory System Quiz

What is the mechanism of gas exchange involving the ventilation of a respiratory surface with air?

• Cellular Respiration

• Breathing

• Diffusion

• Osmosis

What is the primary function of cellular respiration?

• To produce oxygen

• To transfer chemical energy to ATP

• To store carbon dioxide

• To create glucose

What percentage of energy from food is used for phosphorylation?

• 50%

• 36%

• 64%

• 25%

How many ATP molecules are created for every molecule of glucose in cellular respiration?

• 12

• 24

• 36

• 48

What must be kept moist in a respiratory system?

• The circulatory system

• The respiratory surface

• The digestive system

• The skeletal system

Which of the following is an example of a terrestrial organism?

• Amoeba

• Hydra

• Bacteria

• Planarian

Why is diffusion inadequate in more complex organisms?

• Due to smaller body size

• Due to larger body size

• Due to lack of circulatory system

• Due to high oxygen levels

Where does skin respiration occur?

• Only in dry environments

• Only in water or damp environments

• Only in high altitudes

• Only in deserts

What is used for gas exchange in skin respiration?

• Only the lungs

• Only the gills

• The entire body surface

• Only the heart

What is counter current flow in fish?

• Water and blood flow in the same direction

• Water flows over gills in one direction and saves energy

• Blood flows through gills in the same direction as water

• Water and blood flow in opposite directions