Respiration and Energy Release in Living Organisms
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Questions and Answers

What is the main process by which energy is released from digested food?

  • Photosynthesis
  • Excretion
  • Digestion
  • Respiration (correct)
  • Which gas is taken in during external respiration or breathing?

  • Oxygen (correct)
  • Nitrogen
  • Methane
  • Carbon Dioxide
  • What are the waste products eliminated during respiration?

  • Sugar and Salt
  • Carbon Monoxide and Hydrogen
  • Carbon Dioxide and Water (correct)
  • Oxygen and Glucose
  • Where does internal respiration occur?

    <p>Body Cells</p> Signup and view all the answers

    What happens to glucose molecules during respiration?

    <p>React with Oxygen to Release Energy</p> Signup and view all the answers

    What is the chemical formula for the breakdown of glucose during respiration?

    <p>$C6H_{12}O6 + 6O2 \rightarrow 6CO2 + 6H2O + Energy$</p> Signup and view all the answers

    Do plants respire by taking in oxygen and giving out:

    <p>$CO2$</p> Signup and view all the answers

    Which process occurs when oxygen breaks down food to release energy?

    <p>Respiration</p> Signup and view all the answers

    During respiration, the nutrients of the digested food react with nitrogen in the body cells to release energy.

    <p>False</p> Signup and view all the answers

    Internal respiration occurs in the lungs of living organisms.

    <p>False</p> Signup and view all the answers

    Plants do not respire like animals by taking in oxygen.

    <p>False</p> Signup and view all the answers

    External respiration involves inhaling air rich in carbon dioxide and exhaling air rich in oxygen.

    <p>False</p> Signup and view all the answers

    The chemical reaction involved in respiration includes breaking down glucose into oxygen and water.

    <p>False</p> Signup and view all the answers

    Respiration is the process of releasing energy from food by oxidation.

    <p>True</p> Signup and view all the answers

    Both plants and animals respire by taking in oxygen and giving out carbon dioxide.

    <p>True</p> Signup and view all the answers

    Glucose molecules react with oxygen during respiration to release energy.

    <p>True</p> Signup and view all the answers

    What is the process of releasing energy from digested food by oxidation known as?

    <p>Respiration</p> Signup and view all the answers

    What are the two main processes of respiration?

    <p>External respiration and internal respiration</p> Signup and view all the answers

    What are the waste products eliminated during respiration?

    <p>Carbon dioxide and water</p> Signup and view all the answers

    In respiration, what do glucose molecules react with to release energy?

    <p>Oxygen</p> Signup and view all the answers

    Where does internal respiration occur?

    <p>In body cells</p> Signup and view all the answers

    What gas is taken in during external respiration or breathing?

    <p>Oxygen</p> Signup and view all the answers

    Do plants also respire by taking in oxygen and giving out?

    <p>Yes</p> Signup and view all the answers

    What chemical reaction is involved in respiration?

    <p>C6H12O6 + 6O2 -&gt; 6CO2 + 6H2O + Energy</p> Signup and view all the answers

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