Biology Quiz on Respiration

Which gas is taken in during inhalation?

• Nitrogen

• Oxygen

What is the function of alveoli in the lungs?

• To store oxygen for later use

• To transport oxygen directly into the blood

Which muscle contracts to allow inhalation?

• Intercostal muscles

• Abdominal muscles

What is the main function of red blood cells?

• To transport nutrients

• To fight infections

Which of the following is the correct word equation for aerobic respiration?

• Glucose + Oxygen → Carbon dioxide + Water + Energy

• Oxygen + Water → Glucose + Energy

Which type of respiration occurs in the absence of oxygen?

• Aerobic respiration

• Anaerobic respiration

Which organelle in the cell is responsible for respiration?

• Nucleus

• Ribosome

What is the solvent in a saltwater solution?

• Salt

• Water

Which factor increases the solubility of most solids in water?

• Decreasing temperature

• Stirring the solution

A solution that cannot dissolve more solute at a given temperature is called:

• Dilute

• Saturated