Cell Biology and Photosynthesis Quiz
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Questions and Answers

What is the main function of chlorophyll in photosynthesis?

  • To break down glucose to release energy
  • To capture light energy and convert it into chemical energy (correct)
  • To trap carbon dioxide for the Calvin cycle
  • To release oxygen and sugar from water molecules

    • Which process directly utilizes sunlight to produce glucose?

  • Glycolysis
  • Photosynthesis (correct)
  • Fermentation
  • Cellular respiration

    • What is the primary role of active transport in cells?

  • To maintain equilibrium of ions across the cell membrane
  • To facilitate the movement of water through aquaporins
  • To allow the diffusion of small nonpolar molecules
  • To move molecules against their concentration gradient using energy (correct)

    • In what way do autotrophs differ from heterotrophs in obtaining energy?

    <p>Autotrophs produce their own food using sunlight, while heterotrophs consume food from other organisms</p> Signup and view all the answers

    What substance is released as a waste product through stomata in the underside of the leaves during photosynthesis?

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

    What are the reactants in the chemical equation for photosynthesis?

    <p>$6 CO2 + 6 H2O$</p> Signup and view all the answers

    What is the main purpose of glucose in plant cells?

    <p>To release energy during cellular respiration</p> Signup and view all the answers

    What allows plants to store water and act as natural flood control?

    <p>Rigid cell walls</p> Signup and view all the answers

    Where does carbon dioxide enter the leaves during photosynthesis?

    <p>Through stomata on the underside of leaves</p> Signup and view all the answers

    What is the substance formed after hydrogen combines with carbon dioxide during photosynthesis?

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

    What is the role of oceanic plants in the recycling of oxygen on Earth?

    <p>Absorbing sun's energy to form oxygen</p> Signup and view all the answers

    What happens to the energy released from glucose formed in chloroplasts?

    <p>It helps carry out other cell functions</p> Signup and view all the answers

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