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Diffusion And Osmosis Part 1
Test Description: Diffusion and Osmosis
Instructions: Answer all questions to get your test result.
1) Which statement best describes particle movement during simple diffusion?
A
Particles move in a way that keeps them as close to each other as possible.
B
Particles move in and out of a cell at a constant rate.
C
Particles move from an area of high concentration to an area of low concentration.
D
Particles move out of a cell when the cell becomes full.
2) A blood cell is placed in a salt solution that has twice the salt concentration of normal blood plasma. Which of these will most likely happen to the blood cell?
A
The blood cell will shrink as water moves out through the cell membrane.
B
The blood cell will shrink as salt moves out through the cell membrane.
C
The blood cell will expand as salt enters through the cell membrane.
D
The blood cell will expand as water enters through the cell membrane.
3) Students placed a raw egg without its shell into a highly concentrated solution of sugar. If the amount of sugar in the solution is greater than in the egg, which of these is most likely to occur?
A
The sugar will dissolve the egg.
B
The sugar will break the egg into pieces.
C
Water will flow into the egg and cause the egg to expand.
D
Water will flow out of the egg and cause the egg to shrink.
4) Once diffusion has started, it will continue until ________________ is reached.
A
isolation
B
concentration
C
solution
D
equilibrium
5) Which of these statements is true?
A
Diffusion can only occur in non-living things.
B
Diffusion can only occur in living things.
C
Diffusion can occur in both living and non-living things.
D
Diffusion can only occur in liquids.
6) The diffusion of water is called __________.
A
conduction
B
cytosis
C
reaction
D
osmosis
7) During osmosis, when a solute is involved, water will move to an area of ____________________.
A
low solute concentration
B
high solvent concentration
C
high solute concentration
D
high water concentration
8) The substance that is being dissolved is called a _______________.
A
mixture
B
solute
C
solvent
D
solution
9) The substance that is doing the dissolving is called a ________________.
A
mixture
B
solute
C
solution
D
solvent
10) A mixture of solute and solvent is called a _____________________.
A
contraction
B
creation
C
solution
D
equation
*select an answer for all questions
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