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Cell Transport in Everyday Life

Quiz by Zhao

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35 questions
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  • Q1
    What is the fundamental principle of diffusion?
    Movement of particles against a concentration gradient
    Movement of particles from a high concentration area to a low concentration area
    Movement of water across a membrane
    Movement of particles using energy (ATP)
    30s
  • Q2
    Which of these is an everyday life example of diffusion given in the text?
    The smell of perfume spreading through a room
    A cucumber shriveling in salt water
    A white blood cell engulfing bacteria
    Glucose entering a cell after a meal
    30s
  • Q3
    What is the biological example of diffusion mentioned in the class?
    White blood cells engulfing bacteria
    Oxygen moving from the lungs into the blood
    Pancreatic cells releasing insulin
    The sodium-potassium pump
    30s
  • Q4
    why does exercise improve gas exchange?
    It provides more ATP for diffusion
    It maintains a steep diffusion gradient for O2 and CO2
    It forces cells to use active transport
    It increases the speed of osmosis
    30s
  • Q5
    Does the process of diffusion require the cell to expend energy (ATP)?
    No, it is a passive process
    Only when moving large molecules
    Yes, it always requires ATP
    Only when moving against the gradient
    30s
  • Q6
    What is the result of diffusion?
    Balance is reached (equilibrium)
    Particles are concentrated in one area
    Energy (ATP) is created
    The cell membrane bursts
    30s
  • Q7
    What is osmosis specifically defined as?
    The movement of solutes using energy
    The engulfing of liquids by a cell
    The movement of water through a semipermeable membrane
    The movement of any particle from high to low concentration
    30s
  • Q8
    In osmosis, water moves from a region of _____ solute concentration to a region of _____ solute concentration.
    low, high
    low, low
    high, low
    high, high
    30s
  • Q9
    What happens to cucumber slices placed in salt water?
    They remain unchanged due to isotonic balance
    They are preserved because bacteria grow on them
    They shrivel because water moves out of their cells
    They swell up because water enters their cells
    30s
  • Q10
    Why does salting meat or fish act as a preservative?
    It provides energy to the cells
    It causes the meat cells to swell and burst
    Bacteria on the meat lose water by osmosis and die
    It makes the meat taste better
    30s
  • Q11
    Why is it dangerous to drink seawater?
    It is hypertonic and will cause cells to lose water (dehydration)
    It is hypotonic and will cause cells to burst
    It contains bacteria that use endocytosis
    It is isotonic and will have no effect
    30s
  • Q12
    Why is pure water NOT injected into the bloodstream?
    It is hypertonic, causing cells to shrivel
    It is isotonic, having no effect on cells
    It is hypotonic, causing blood cells to swell and burst
    It cannot pass the cell membrane by diffusion
    30s
  • Q13
    Medical solutions like saline are described as _____ to prevent damage to blood cells.
    hypertonic
    hypotonic
    isotonic
    energetic
    30s
  • Q14
    What is the purpose of oral rehydration fluids (salts)?
    To restore osmotic equilibrium after dehydration
    To stop the process of diffusion
    To provide energy for active transport
    To cause dehydration
    30s
  • Q15
    Does the process of osmosis require the cell to expend energy (ATP)?
    No, it is a passive process
    Only when moving water into the cell
    Yes, it is a form of active transport
    Only when moving water out of the cell
    30s

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