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WorksheetsExchange with the Environment
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
The movement of substances through a cell membrane without using energy
a)
passive transport
b)
active transport
c)
endocytosis
d)
mitosis
2.
The process by which a cell membrane surrounds and encloses a large particle to bring it into the cell
a)
exocytosis
b)
endocytosis
c)
osmosis
d)
diffusion
3.
The movement of water through a membrane from high to low concentrations
a)
endocytosis
b)
diffusion
c)
osmosis
d)
exocytosis
4.
The movement of a gas or liquid from regions of higher concentration to regions of lower concentration
a)
active transport
b)
endocytosis
c)
exocytosis
d)
diffusion
5.
The sac formed around a large particle to allow a cell to take in or remove the particle
a)
nucleus
b)
lysosome
c)
mitochondria
d)
vesicle
6.
The movement of substances through a cell membrane with the use of cell energy
a)
active transport
b)
passive transport
c)
osmosis
d)
diffusion
7.
A substance that has a higher density or amount of molecules is said to have a _______ of molecules
a)
low concentration
b)
equal amount
c)
high concentration
d)
variety
8.
Molecules are naturally able to diffuse from a high concentration to a low concentration because molecules are _______.
a)
alive
b)
being pushed by water
c)
always moving
d)
moving up a concentration gradient
9.
When there are equal amounts of molecules of a substance on both sides of the cell membrane, a state of ___________has been reached
a)
differentiated equilibrium
b)
gravity
c)
liquid
d)
dynamic diffusion
10.
Two examples of passive transport are
a)
diffusion and osmosis
b)
diffusion and endocytosis
c)
osmosis and exocytosis
d)
diffusion and endocytosis
11.
Once the shell is removed, what will happen to the egg in the diagram?
a)
The egg will explode
b)
The egg will get bigger
c)
The egg will shrink
d)
Nothing
12.
Cell membranes are selectively permeable because________.
a)
they allow all materials to pass through the cell membrane
b)
the allow only certain materials to pass through the cell membrane
c)
they do not allow materials to pass through the cell membrane
d)
all materials moving in and out of a cell must use energy to get in and out
13.
What is the name of the process that will occur in the beaker?
a)
active transport
b)
exocytosis
c)
endocytosis
d)
osmosis
14.
What is the name of the process occurring in the diagram?
a)
passive transport
b)
endocytosis
c)
diffusion
d)
exocytosis
15.
Two examples of active transport are
a)
endocytosis and exocytosis
b)
diffusion and osmosis
c)
endocytosis and diffusion
d)
exocytosis and diffusion
16.
In what direction will the water move in the diagram?
a)
the water will move out of the salt water in the jar into the egg
b)
the water will move out of the egg into the salt water
c)
the water will not move because it has reached equilibrium
d)
the water will move into the salt molecules and make a chemical reaction
17.
The diagram is showing what process occurring in a cell?
a)
osmosis
b)
endocytosis
c)
diffusion
d)
exocytosis
18.
What are the openings in the cell membrane called?
a)
protein channels
b)
there are no openings
c)
doors
d)
protein canyons
19.
What is the name of the energy molecule used by cells?
a)
DNA
b)
DDT
c)
ATP
d)
RNA
20.
Why must cells use energy to bring materials into and out of the cell?
a)
some materials are too big to fit through the cell membrane
b)
some materials must move from low concentrations to high concentrations
c)
the answer is both A and B
d)
there are no materials that require energy to move through the cell membrane
21.
What materials must be brought into a cell using energy?
a)
water
b)
larger molecules such as proteins
c)
oxygen
d)
carbon dioxide
22.
What can you infer about the membrane surrounding vesicles that carry materials in and out of cells?
a)
it is made of the same substances as the cell membrane
b)
the membrane surrounding vesicles are impermeable
c)
it is made only of proteins
d)
it is permeable to all materials
23.
What molecules can move through the cell membrane by passive transport?
a)
carbon dioxide
b)
proteins
c)
oxygen
d)
both A and c
24.
Why is osmosis important to a cell?
a)
cells need to get rid of large particles they don’t need
b)
cells need to move from place to place.
c)
cells are filled with fluids that are made mostly of water
d)
cells are usually dry
25.
After the shell is removed, what will happen to the egg in the diagram?
a)
Nothing the egg will stay the same size
b)
Water will leave the egg by osmosis and the egg will get smaller
c)
Water will enter the egg by osmosis and the egg will get larger
d)
The egg will hatch
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