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Diffusion And Osmosis
Test Description: Questions on diffusion and osmosis
Instructions: Answer all questions to get your test result.
1) Diffusion is....
A
The movement of particles from areas of low concentration to areas of high concentration.
B
The movement of particles from areas of high concentration to areas of low concentration.
C
The movement of water particles from areas of high concentration to areas of low concentration.
D
The movement of water particles from areas of low concentration to areas of high concentration.
2) Osmosis is...
A
The movement of water particles from areas of low concentration to areas of high concentration.
B
The movement of particles from areas of low concentration to areas of high concentration.
C
The movement of particles from areas of high concentration to areas of low concentration.
D
The movement of water particles from areas of high concentration to areas of low concentration.
3) Water is made up of particles called ________________?
A
Molecules
B
Atoms
C
None of the above
D
Partcles
4) Pure water has ____________ concentration of molecules.
A
High
B
Low
C
No
5) If you mix something in water, you ___________ the concentration.
A
Lower
B
Increase
C
Do not effect
6) Only certain substances can pass through (a membrane) means it is......
A
Porous
B
Semipermiable
C
None of the Above
D
Permiable
7) Osmosis occurs in plants.
A
False
B
True
8) Small particles, such as sugars, cross the cell membrane through passageways called ________________.
A
Endoplasmic Reticulum
B
Tunnels
C
Canals
D
Channels
9) The movement of particles across a cell membrane without the use of energy is...
A
Active transport
B
Endocytosis
C
Exocytosis
D
Passive transport
10) The movement of particles across a cell membrane with the use of energy is...
A
Endocytosis
B
Exocytosis
C
Active transport
D
Passive transport
*select an answer for all questions
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