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Osmosis And Diffusion
Test Description: Review of the basics for 7th grade
Instructions: Answer all questions to get your test result.
1) Movement of particles from high to low concentration is
A
cell transport
B
filtering
C
diffusion
D
osmosis
2) A membrane that allows only certain substances to pass through
A
diffusable
B
selectively permeable
C
biomembrane
D
osmotic membrane
3) Diffusion of water through a selectively permeable membrane
A
soaking
B
spreading
C
osmosis
D
absorbing
4) Builds up inside a plant cell placed in pure water
A
diffusion pressure
B
turgor pressure
C
salt
D
plasmolysis
5) When the contents of a plant cell shrivel due to water loss
A
plasmolysis
B
cytolysis
C
shrinking
D
turgor pressure
6) An animal cell placed in 100% water will
A
shrivel
B
swell and burst
C
stay the same
D
undergo plasmolysis
7) When the concentration of water inside and outside the cell is the same
A
saturation
B
osmosis
C
static condition
D
equilibrium
8) An animal cell placed in salt water will
A
do nothing
B
swell
C
shrivel
D
burst
9) Which is not a reason why diffusion is important?
A
It is how messages get from our senses to our brain
B
it is how oxygen gets from our lungs to our blood
C
It is how water gets from soil into roots
D
It is how nutrients get from our intestines into our blood
10) Increasing temperature does which of the following to the rate of diffusion?
A
speeds it up
B
stops it
C
slows it down
D
nothing
*select an answer for all questions
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