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WorksheetsOsmosis
Total questions: 25
Worksheet time: 24mins
Name
Class
Date
1.
What is diffusion?
a)
when molecules move from a low concentration to a high concentration
b)
when molecules move from a high concentration to a low concentration.
c)
no movement
d)
molecules move everywhere
2.
Where is there a high concentration of water?
a)
in the flower
b)
cannot be determined by picture.
c)
in the vase
d)
in the leaves
3.
When a person smells something, what is actually traveling up their nose?
a)
solids
b)
molecules
c)
matter
d)
plasma
4.
What is the definition of Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration (where the molecules are more crowded together) to a area of low concentration (where molecules are more spread apart)
5.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
6.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
7.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
8.
Equilibrium?
a)
a large amount of substance on side of the cell and a small amount on the other side
b)
a small amount of substance on side of the cell and a large amount on the otherside
c)
equal amount of substance on either side of the membrane
d)
no particles on either side of the a cell membrane
9.
What is the definition of Osmosis?
a)
the movement of WATER molecules across the cell membrane.
b)
the state where molecules are equally concentrated (balanced) on both sides of the cell membrane.
c)
the process that brings LARGE particles INTO the cell through the cell membrane
d)
he movement of molecules across the cell membrane that REQUIRES ENERGY output from the cell
10.
In the given scenario what will happen to the organism: salt is poured onto eggplant.
a)
Water will move out of the eggplant cells and the cells will shrink.
b)
Water will move out of the eggplant cells and the cells will swell.
c)
Water will move into the eggplant cells and the cells will swell.
11.
In the given scenario what will happen? An egg is placed in pure water for 48 hours.
a)
The egg will gain water and swell.
b)
Water will move in and out of the cell equally, and the cell with neither shrink nor swell.
c)
The egg will lose water and shrink.
12.
Which example(s) of cell transport does not require chemical energy
a)
Drops of blue food coloring are placed in water and spread throughout the water, turning it blue.
b)
A potato slice is placed in water and water molecules from outside the potato move into the potato cells.
c)
Both Answers
d)
Neither answers
13.
An animal cell placed in a hypertonic (salty) solution will
a)
Shrink
b)
Swell
c)
Stay the same
14.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
15.
Just like Coke is a type of soda, __________ is a type of ___________.
a)
diffusion, osmosis
b)
concentration, equilibrium
c)
equilibrium, concentration
d)
osmosis, diffusion
16.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
17.
The diffusion of water through a semi-permeable membrane is called?
a)
Osmosis
b)
Cell wall
c)
Diffusion
d)
Respiration
18.
What a cell needs to transport particles by active transport?
a)
Sun
b)
Wind
c)
Energy
d)
Channels
19.
A person would never have pure water put into their veins in a hospital because their cells would...
a)
Shrink/Dehydrate
b)
Expand
20.
A person should never drink salty water because their cells would
a)
shrink
b)
expand
21.
Passive transport requires no
a)
concentration gradients
b)
osmosis
c)
motion
d)
energy
22.
The movement of molecules against a concentration gradient
a)
simple diffusion
b)
facilitated diffusion
c)
active transport
d)
osmosis
23.
Sometimes, energy is required for ____ molecules to go in or out of the cell because they cannot fit into the membrane.
a)
big
b)
small
c)
crunchy
d)
water
24.
Endocytosis is defined as
a)
the movement of large molecules from the inside of the cell to the outisde of the cell using channel proteins.
b)
the movement of large molecules from the inside of the cell to the outisde of the cell membrane vesciles.
c)
the movement of large molecules from the outside of the cell to the inside of the cell using membrane vesciles.
d)
the movement of large molecules from the outside of the cell to the inside of the cell using channel proteins.
25.
Exocytosis is the movement of
a)
any type of substance from outside the cell to the inside of the cell.
b)
very large substances from outside the cell to the inside of the cell.
c)
any type of substance from inside the cell to the outside.
d)
very large substances from inside the cell to the outside.
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