WorksheetsGCSE Osmosis
Total questions: 12
Worksheet time: 15mins
Name
Class
Date
1.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
2.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
3.
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 to a area of low concentration
4.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
a)
Osmosis
b)
Diffusion
c)
Equilibrium
5.
Where will the water go?
a)
Into the cell
b)
Out of the cell
c)
Equally in & out - it's isotonic
d)
There is no water
6.
During osmosis
a)
water moves from high water concentration to low water concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
water moves from low water concentration to high water concentration
7.
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.
8.
What is diffusion?
a)
when molecules move
b)
when particles move from a high concentration to a low.
c)
no movement
d)
molecules move everywhere
9.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup
d)
no concenteraion gradient
10.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
11.
What is DIFFUSION?
a)
b)
c)
d)
12.
Which gummy bear was left overnight in salt water?
a)
Larger bear
b)
Smaller bear
100 %
