Worksheet: Aerobic Respiration

In this worksheet, we will practice recalling the reactants and products of aerobic respiration, and explaining the importance of respiration for organisms.


Aerobic respiration in humans requires a supply of glucose. Where does this glucose come from?

  • AFrom inhalation of gases from the atmosphere
  • BFrom water in the person’s diet
  • CFrom the breakdown of dead cells
  • DFrom food in the person’s diet


What gas is produced in aerobic respiration?

  • AMethane
  • BCarbon dioxide
  • CSulfur dioxide
  • DOxygen


Not including energy/ATP, state the correct word equation for aerobic respiration.

  • AOxygen + water carbon dioxide + glucose
  • BOxygen + glucose carbon dioxide + water
  • COxygen + carbon dioxide glucose + water
  • DWater + glucose carbon dioxide + oxygen


Which of the following organs is/are responsible for taking in the oxygen required for aerobic respiration in humans?

  • AThe large intestine
  • BThe lungs
  • CThe heart
  • DThe stomach
  • EThe small intestine


What subcellular organelle is the main site of aerobic respiration?

  • ACytoplasm
  • BNucleus
  • CCell membrane
  • DMitochondria
  • ERibosomes


During the process of aerobic respiration, energy is released from the breakdown of glucose.

This energy is stored in the form of a molecule in the cell. What is the name given to this molecule?

  • AATP
  • BTPA
  • CACP
  • DAPP


Which of the following is not a use of ATP in animals?

  • ARegulation of body temperature
  • BSimple diffusion of substances across cell membranes
  • CActive transport of substances across cell membranes
  • DMovement and locomotion
  • ESynthesis of large molecules from smaller ones


Aerobic respiration requires oxygen. How is this oxygen delivered to cells for respiration?

  • ABy the nervous system
  • BBy white blood cells
  • CBy red blood cells
  • DBy active transport
  • EBy chemical messengers


The diagram provided shows the basic structure of a root hair cell.

How can root hair cells use the energy transferred during aerobic respiration in a plant?

  • ARoot hair cells use energy to actively transport mineral ions from soil to root.
  • BRoot hair cells use energy to actively transport water from soil to root.
  • CRoot hair cells use energy to move water by osmosis from soil to root.
  • DRoot hair cells use energy to diffuse mineral ions from soil to root.


For the following statement, state whether the rate of cellular respiration increases, decreases, or stays the same.

As the intensity of exercise increases, the rate of cellular respiration .

  • Astays the same
  • Bdecreases
  • Cincreases


While excluding energy/ATP, state the correct and balanced chemical (symbol) equation for aerobic respiration.

  • A6CO+6O6HO+CHO2226126
  • BCHO+6CO6O+6HO6126222
  • CCHO+6HO6CO+6O6126222
  • DCHO+6O6CO+6HO6126222


Which of the following is correct about cell activity and the number of mitochondria?

  • AThe more active the cell, the lower the number of mitochondria.
  • BThere is no correlation between the activity of a cell and the number of mitochondria it contains.
  • CThe more active the cell, the higher the number of mitochondria.


What is the main organ responsible for absorbing the glucose required for aerobic respiration from the diet?

  • AThe stomach
  • BThe large intestine
  • CThe small intestine
  • DThe heart
  • EThe lungs


As glucose breaks down in aerobic respiration, it transfers energy to the surroundings.

What type of chemical reaction is this?

  • AExothermic
  • BEndothermic


The diagram provided shows a basic outline of an animal cell.

Which letter indicates the organelle that is the main site of aerobic respiration?

  • AA
  • BD
  • CC
  • DB

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