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Osmosis And Diffusion
Test Description: Review of Cell Membrane, Osmosis and Diffusion
Instructions: Answer all questions to get your test result.
1) The function of the cell membrane is to...
A
To control the cell. This organelle acts as the \
B
This is the transport system in the cell.
C
Allows certain things that the cells needs to enter, while blocking out the things that cells do not
D
To create energy for the cell
2) All of these things enter the cell.
A
oxygen and waste
B
food and carbon dioxide
C
water, oxygen, food (sugar/nutrients)
D
carbon dioxide and water
3) Diffusion is the process in which
A
Particles don't move.
B
Particles move from an area of low concentration to an area of high concentration
C
Particles move from an area of high concentration to an area of low concentration.
D
Particles moves from an area of equal concentration to an area of low concentration
4) Diffusion occurs
A
NEVER in liquids or solids
B
ONLY in things that are living.
C
Mostly in liquids and gases
D
ONLY across the cell membrane
5) Osmosis can be described as
A
Diffusion across a membrane
B
a process that ONLY lets things out of a cell.
C
a process that ONLY lets things into a cell
D
a process that helps cells duplicate
6) Osmosis and Diffusion...
A
need energy from the cell in order to work.
B
only occur in space
C
only occur under high pressure
D
happen naturally and do not need energy
7) Diffusion occurs fastest in
A
never
B
gases
C
liquids
D
solids
8) The cell membrane contains...
A
1 layer
B
2 layers
C
4 layers
D
6 layers
9) Which of the following is NOT an example of diffusion
A
Adding baking soda and vinegar together
B
Food coloring spreading throughout a glass of water
C
Air freshener spreading throughout a room
D
Heat transferring into the air surrounding it.
10) When it comes to the cell membrane Which of the following is FALSE
A
The cell membrane acts as a barrier to protect the cell
B
Both plant and animal cells have a cell membrane
C
The cell membrane is found outside of the cell wall in a plant cell.
D
The cell membrane acts as a gateway to let things in that the cell needs
*select an answer for all questions
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