WorksheetsDiffusion and Osmosis
Total questions: 10
Worksheet time: 12mins
Name
Class
Date
1.
What is diffusion?
a)
when molecules move
b)
when molecules move from a high concentration to a low.
c)
no movement
d)
molecules move everywhere
2.
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
3.
Osmosis
a)
diffusion of water molecules through a partially permeable membrane 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 partially 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
4.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
5.
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
6.
Which gases move into and out of the blood at the lungs by diffusion
a)
Nitrogen and Oxygen
b)
Oxygen and Carbon Dioxide
c)
Nitrogen and Carbon Dioxide
d)
Argon and Nitrogen
7.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
8.
_______ regulates what enters and leaves a cell.
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
9.
Just like Coke is a type of soda, __________ is a type of ___________.
a)
diffusion, osmosis
b)
concentration, equilibrium
c)
equilibrium, concentration
d)
osmosis, diffusion
10.
A student put a few drops of lemon juice into an uninflated balloon.The student tied a knot in the balloon, placed it in a shoe box, and covered it with a lid. The following day, the student opened the box and was able to smell lemon in the box. Through what process were molecules able to pass through the balloon?
a)
respiration
b)
fermentation
c)
osmosis
d)
diffusion
100 %
