WorksheetsD2.3 Water Potential SL
Total questions: 28
Worksheet time: 14mins
What is the primary role of water in solvation?
To act as a solute
To act as a covalent bond facilitator
To act as a solvent
To act as a non-polar molecule
Water potential is a concept that is most closely related to which of the following processes?
Photosynthesis
Osmosis
Cellular respiration
Protein synthesis
Which of the following solutions would cause a cell to swell?
Isotonic
Hypotonic
Hypertonic
Hydrophobic
What type of bonding is primarily involved in the solvation of ions by water?
Covalent bonding
Ionic bonding
Hydrogen bonding
Van der Waals interactions
Aquaporins facilitate the movement of water through which structure?
Mitochondrial membrane
Plasma membrane
Nuclear envelope
Endoplasmic reticulum
What is the main reason that water can dissolve many ionic compounds effectively?
High boiling point
Low molecular weight
Polarity
Colorlessness
Osmosis is best defined as the movement of water across a membrane from:
High water potential to low water potential
Low solute concentration to high solute concentration
High solute concentration to low solute concentration
High temperature to low temperature
What is the correct terminology to describe the movement of water by osmosis?
Water osmosising
Water mobilizing
Water diffusing
Water moving by osmosis
Which of the following occurs in plant cells placed in a hypertonic solution?
Turgidity
Plasmolysis
Lysis
Crenation
How does a hypotonic solution affect an animal cell?
It causes the cell to shrivel.
It has no effect on the cell.
It causes the cell to burst.
It makes the cell turgid.
What is water potential?
The kinetic energy of water molecules
The potential energy of water per unit volume
The temperature of water
The heat capacity of water
In which type of solution is there no net movement of water into or out of a cell?
Hypotonic
Hypertonic
Isotonic
Hydrostatic
What kind of pressure potential is found in a flaccid cell?
Positive
Negative
Neutral
Zero
The solute potential of a solution is usually:
Positive
Negative
Neutral
Zero
In osmosis, water moves toward the area with:
Lower water potential
Higher water potential
Higher temperature
Lower pressure
Medical applications of isotonic solutions are primarily used to:
Hydrate cells
Shrink cells
Balance solute concentration in blood
Increase metabolism
The term for the interaction of a solvent with dissolved molecules is:
Hydrolysis
Solvation
Ionization
Synthesis
What is the effect of water movement on cells that lack a cell wall?
They become turgid.
They experience plasmolysis.
They can burst or shrivel.
They undergo photosynthesis.
Which of the following will occur in a plant cell surrounded by a hypertonic solution?
The cell will become plasmolyzed.
The cell will become turgid.
The cell will undergo mitosis.
The cell will synthesize more proteins.
A solution surrounding a cell has a higher solute concentration than the cell's cytoplasm. This solution is:
Hypotonic
Isotonic
Hypertonic
Hydrophilic
What is the primary factor determining how well a solvent solvates a particular solute?
Solvent polarity
Solvent color
Solute size
Solute shape
Aquaporins are primarily associated with whichtype of biological process?
Protein transport
Lipid transport
Water transport
Gas exchange
A cell with a cell wall will not burst in a hypotonic solution because:
The cell wall is impermeable to water.
The cell wall provides structural support to counteract osmotic pressure.
The cell lacks aquaporins.
The solute concentration can freely equalize across the cell wall.
The movement of water from a region of higher water potential to lower water potential can be facilitated by:
Active transport
Facilitated diffusion
Osmosis
Endocytosis
The contributions of solute potential and pressure potential to the water potential of cells with walls is described by:
The Cell Theory
The Law of Thermodynamics
The Water Potential Equation
The Osmotic Pressure Formula
What is the effect of a hypertonic solution on an animal cell?
The cell will become turgid.
The cell will undergo plasmolysis.
The cell will burst.
The cell will shrivel.
What is the role of aquaporins in the process of osmosis?
They facilitate the movement of solutes across the cell membrane.
They facilitate the movement of water across the cell membrane.
They prevent the movement of water across the cell membrane.
They have no role in the process of osmosis.
What happens to the water potential of a cell when it is placed in a hypotonic solution?
The water potential increases.
The water potential decreases.
The water potential remains the same.
The water potential becomes zero.
