Movement in the Living World Quiz
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Questions and Answers

What is the process by which water molecules enter or leave cells?

  • Osmosis (correct)
  • Facilitated diffusion
  • Active transport
  • Diffusion
  • Which process is responsible for the movement of gases between body cells and the blood in capillaries?

  • Osmosis
  • Diffusion (correct)
  • Facilitated diffusion
  • Active transport
  • What is the waste product of aerobic respiration that is at a higher concentration in cells than in blood passing through capillaries in tissues?

  • Nitrogen
  • Carbon dioxide (correct)
  • Carbon monoxide
  • Oxygen
  • What is the term used to describe the net movement of particles from an area of high concentration to an area of low concentration?

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

    What is the process by which substances move in and out of cells across the cell membrane?

    <p>Active transport</p> Signup and view all the answers

    What is the main process through which gases are exchanged in tissues?

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

    What is the function of an animation in understanding processes like diffusion?

    <p>To allow the viewer to alter variables within the animation</p> Signup and view all the answers

    What do simulations help us to visualize?

    <p>Events happening on a molecular level</p> Signup and view all the answers

    In the interactive simulation of diffusion across a membrane, what can you control?

    <p>The insertion of channels into a membrane</p> Signup and view all the answers

    How do external factors, such as temperature, influence the rate of diffusion?

    <p>They increase the rate of diffusion</p> Signup and view all the answers

    What is the main process responsible for pulling water from the xylem vessel to leaf cell walls?

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

    What property of water prevents its molecules from being pulled apart and changing to water vapor in the xylem vessels?

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

    How is water drawn through the walls of leaf cells?

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

    What is the tissue through which leaf cell walls regain lost water from vessels?

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

    Which process causes a loss of water from cell walls inside the leaf?

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

    What drives the movement of water through a selectively permeable membrane in osmosis?

    <p>Solute concentration gradient</p> Signup and view all the answers

    Where does photosynthesis occur in a leaf from a flowering plant?

    <p>Chloroplasts in the mesophyll</p> Signup and view all the answers

    What is the main function of stomata in a leaf's gas exchange process?

    <p>Facilitate carbon dioxide diffusion</p> Signup and view all the answers

    What creates concentration gradients leading to carbon dioxide and oxygen diffusion in a leaf?

    <p>Water evaporation from cell walls</p> Signup and view all the answers

    In the context of gas exchange in leaves, what is the solvent that facilitates the movement of water vapor?

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

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