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High School: 9th and 10th Grade
Biology
Osmosis
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Q.1
Osmosis takes place in which of the following?
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Roots
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Hair
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Soil
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The atmosphere
Q.2
In living organisms, the partially permeable membrane is the...
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nucleus
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cell membrane
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chloroplast
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bacterium
Q.3
Dilute means...
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a little solute and a lot of water
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a lot of solute and little water
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concentrated
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the same
Q.4
Plants use osmosis to prevent...
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respiration
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photosynthesis
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wilting
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excretion
Q.5
Water molecules move from...
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dilute to a more dilute solution
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dilute to a more concentrated solution
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concentrated to a more dilute solution
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concentrated to a less concentrated solution
Q.6
Osmosis is the movement of which molecules?
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Oxygen
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Hydrogen
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Any
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Water
Q.7
Osmosis takes place in this important structure.
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Alveolus
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Villus
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Nephron
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Artery
Q.8
Potato cylinders are put into a strong sugar solution. After an hour they are...
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bigger
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smaller
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the same
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sweet potato
Q.9
Why is osmosis not the same thing as diffusion?
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A partially permeable membrane is needed for osmosis
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A partially permeable membrane is needed for diffusion
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Osmosis involves oxygen only
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Diffusion involves water only
Q.10
Water molecules move...
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down the concentration gradient
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along the concentration gradient
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against the concentration gradient
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nowhere
0 h : 0 m : 1 s
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