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Tonicity
Test Description: Bio test review
Instructions: Answer all questions to get your test result.
1) If an animal cell is placed in HYPERTONIC solution, what happens to the cell?
A
nothing happens
B
shrinks from water loss
C
cell swells and bursts
D
solute moves in and out
2) What term is used to describe when two solutions have reached a balanced state?
A
Equilibrium
B
Hypotonic
C
Tonicity
D
Hypertonic
3) How are osmosis and diffusion similar processes?
A
both move high to low concentrations
B
they move low to high concentrations
C
both move solute molecules
D
both move water molecules
4) Active transport goes against the concentration gradient. What does that mean?
A
goes low to high
B
goes high to low
5) Cell 80% water 20% solute, a solution with 60% water and 40% solute. What type of solution is this?
A
hypotonic
B
Isotonic
C
hypertonic
D
equilibrium
6) Plant cells will become turgid when placed in this type of solution.
A
hypertonic
B
isotonic
C
megatonic
D
hypotonic
7) Which type of transport allows water to cross the plasma membrane?
A
diffusion
B
ionization
C
active transport
D
osmosis
8) When placed in a solution of 30% water 70% salt, what would happen to a cell that is 70% water?
A
it will take in water and swell
B
it will lose water and shrink
C
it will remain the same size
D
it will take in salt and swell
9) Which is a difference between active and passive transport?
A
cells only do active when they need to move
B
cells with mitochondria carry out active transport
C
eukaryotes do active transport, prokaryotes do passive
D
active transport requires ATP, passive does not
10) In which situation would an egg shrink?
A
93% water in beaker, 93% water in egg
B
95% water in beaker, 90% water in egg
C
91% water in beaker, 80% water in egg
D
92% water in beaker, 99% water in egg
*select an answer for all questions
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