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WorksheetsLab 3: Osmosis and Diffusion
Total questions: 12
Worksheet time: 13mins
Name
Class
Date
1.
Osmosis involves
a)
movement of water across a concentration gradient
b)
movement of solutes across a concentration gradient
c)
movement of water against a concentration gradient
d)
movement of solutes against a concentration gradient
2.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
3.
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.
4.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
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 cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
7.
Which cell is placed into a hypotonic environment?
a)
A
b)
B
c)
C
d)
D
8.
Where is there a low concentration of perfume?
a)
in the bottle
b)
on the hand
c)
in the room
d)
in the top
9.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
10.
What is the dialysis tubing made out of?
a)
cells
b)
cellulose
c)
starch
d)
glucose
11.
Iodine is used to
a)
reveal the presence of glycogen
b)
reveal the presence of starch
c)
reveal the presence of glucose
d)
reveal the presence of cellulose
12.
How many activities does this lab have?
a)
1
b)
2
c)
3
d)
4
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