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Cells
Test Description: The Cell in its Environment
Instructions: Answer all questions to get your test result.
1) The process by which water moves across a selectively permeable membrane is
A
osmosis
B
passive transport
C
active transport
D
diffusion
2) Molecules move by diffusion from
A
big things to little ones
B
inside to outside the cell
C
an area of high to an area of low concentration
D
an area of low concentration to area of high
3) The organelle most important to movement in and out of the cell is
A
the cell wall
B
the vacuole
C
the cell membrane
D
the nucleus
4) Diffusion is the process by which small molecules are
A
used for energy
B
move across the cell membrane
C
made into sugars
D
recycled into other organelles
5) Selective permeability means
A
Some things can come in, while others can not
B
The cell makes glucose
C
That only big things can get in
D
Only little tiny things can enter the cell
6) When your egg sat in the salt water, the cells
A
broke up, because of diffusion
B
shrank, because water moved out because of osmosis
C
Stayed the same, because of diffusion
D
swelled up, because of osmosis
7) The movement of materials through a cell membrane without using energy is called
A
osmosis
B
diffusion
C
passive transport
D
active transport
8) The biggest difference between active and passive transport is
A
active transport doesn\'t require any energy, while passive transport does
B
the cell doesn\'t need a selectively permeable membrane
C
Nothing-there is no difference
D
passive transport doesn\'t require any energy, while active transport does
9) One method of active transport requires the cell to use
A
mitochondria as energy boosters
B
a nucleus to plan the escape
C
an endoplasmic reticulum as a transport vehicle
D
proteins that work as transport vehicles
10) Another method of active transport is called
A
osmosis-water comes across the cell membrane
B
engulfing-the cell membrane surrounds the particle and pinches it off
C
Protein synthesis-the cell proteins eat up the paticle
D
resistance-the cell fights off the foreign body
*select an answer for all questions
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