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