Test Your Understanding of Plant Water Transport Processes
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Questions and Answers

What is the process by which water molecules move across a membrane?

  • Active transport
  • Root pressure
  • Diffusion
  • Osmosis (correct)
  • What is the main force responsible for the upward movement of water and minerals in plants?

  • Active transport
  • Transpiration (correct)
  • Diffusion
  • Osmosis
  • How do nutrients move across cell membranes?

  • Active transport (correct)
  • Transpirational pull
  • Osmosis
  • Diffusion
  • How do root cells obtain nutrients from soil?

    <p>By active transport</p> Signup and view all the answers

    What is responsible for the movement of water and minerals upward in plants?

    <p>Transpirational pull</p> Signup and view all the answers

    What is the cohesion-tension model?

    <p>A model that explains the movement of water and minerals upward in plants</p> Signup and view all the answers

    Study Notes

    • Diffusion is the movement of particles from high to low concentration.
    • Osmosis is the diffusion of water molecules across a membrane.
    • Active transport is needed for nutrients to move across cell membranes.
    • Root cells have a higher concentration of nutrients than soil, so water moves into roots by osmosis.
    • Long-distance transport in xylem is accomplished by root pressure and transpirational pull.
    • Cohesion and adhesion keep the water column unbroken as it moves up the plant.
    • Transpiration is the major force responsible for the movement of water and minerals upward.
    • Negative pressure from transpiration creates a pull that moves water up the plant.
    • Cohesion-tension model accounts for the majority of water movement in plants.
    • Water enters the plant at the roots as the column of water is being pulled up by transpiration, cohesion, and adhesion.

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    Description

    Test your knowledge of plant physiology with this quiz on water transport! From diffusion and osmosis to active transport and the cohesion-tension model, this quiz covers the basics of how plants move water and nutrients. Keywords include: diffusion, osmosis, active transport, root pressure, transpirational pull, cohesion, adhesion, transpiration, negative pressure, and water movement.

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