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