Cell Biology and Photosynthesis Quiz
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Questions and Answers

What is the word equation for photosynthesis?

  • Oxygen + glucose $\rightarrow$ water + carbon dioxide
  • Water + sunlight $\rightarrow$ carbon dioxide + oxygen
  • Glucose + oxygen $\rightarrow$ carbon dioxide + water
  • Carbon dioxide + water $\rightarrow$ glucose + oxygen (correct)

    • Where does the hydrogen come from that combines with carbon dioxide in photosynthesis?

  • From the carbon dioxide
  • From the sunlight
  • From the stomata on the underside of leaves
  • From the splitting of water molecules (correct)

    • What is the waste product released through stomata in the underside of the leaves during photosynthesis?

  • Glucose
  • Oxygen (correct)
  • Water vapor
  • Carbon dioxide

    • What is the substance formed after the reaction takes place in photosynthesis?

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

    What do plant cells break down glucose for?

    <p>Cellular respiration</p> Signup and view all the answers

    What are the roles of light, carbon dioxide, water, and chlorophyll in photosynthesis?

    <p>Light is used to provide energy, chlorophyll captures light, carbon dioxide is used as a carbon source, and water is split to release oxygen and provide electrons for the synthesis of glucose.</p> Signup and view all the answers

    What is the primary function of chloroplasts in photosynthesis?

    <p>To contain chlorophyll which captures light energy to create oxygen and sugar.</p> Signup and view all the answers

    How do autotrophs and heterotrophs differ in obtaining energy?

    <p>Autotrophs make food and store it within themselves, while heterotrophs consume or absorb food from other organisms.</p> Signup and view all the answers

    What is the process by which cells capture energy in sunlight to make food (glucose)?

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

    What is the distinction between active transport and passive transport in cells?

    <p>Active transport requires energy to move substances against their concentration gradient, while passive transport does not require energy and moves substances along their concentration gradient.</p> Signup and view all the answers

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