Understanding Gas Exchange in Organisms

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Questions and Answers

Which molecule is utilised by organisms to derive energy for performing various activities?

  • Water
  • Carbon dioxide
  • Nitrogen
  • Glucose (correct)

What is the process called when oxygen is exchanged from the atmosphere with carbon dioxide produced by the cells?

  • Diffusion
  • Oxygenation
  • Circulation
  • Respiration (correct)

What harmful gas is released during the catabolic reactions involving nutrient molecules like glucose?

  • Oxygen
  • Carbon dioxide (correct)
  • Carbon monoxide
  • Nitrogen

What is the common name for the process of exchange of oxygen from the atmosphere with carbon dioxide produced by the cells?

<p>Breathing (D)</p> Signup and view all the answers

What is the primary purpose of breathing for organisms?

<p>To exchange oxygen and carbon dioxide (C)</p> Signup and view all the answers

Which gas is released during the catabolic reactions involving nutrient molecules?

<p>Carbon dioxide (CO2) (C)</p> Signup and view all the answers

Which molecular process is responsible for deriving energy from glucose in organisms?

<p>Glycolysis (B)</p> Signup and view all the answers

What is the term for the process of exchanging oxygen from the atmosphere with carbon dioxide produced by cells?

<p>Respiration (C)</p> Signup and view all the answers

What is the main purpose of breathing in organisms?

<p>To exchange oxygen from the atmosphere with carbon dioxide produced by the cells.</p> Signup and view all the answers

How do organisms derive energy for performing various activities?

<p>By indirectly breaking down nutrient molecules like glucose using oxygen.</p> Signup and view all the answers

What harmful gas is released during the catabolic reactions involving nutrient molecules?

<p>Carbon dioxide (CO2).</p> Signup and view all the answers

What term is used to describe the process of exchanging oxygen from the atmosphere with carbon dioxide produced by the cells?

<p>Breathing or respiration.</p> Signup and view all the answers

What is respiration

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