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Cell Diffusion
Test Description: Diffusion process
Instructions: Answer all questions to get your test result.
1) The outer layer in an animal cell
A
cell layer
B
cell membrane and cell wall
C
cell wall
D
cell membrane
2) The function of the cell membrane is
A
release energy in the cell
B
help the cell go through photosynthesis
C
support other organelles
D
control what enters and exits the cell
3) All cells need what to survive?
A
all of the above
B
water
C
nutrients
D
oxygen
4) Another word for 'concentration' in reference to diffusion is
A
a lot
B
amount
C
gradient
D
equilibrium
5) Moving of molecules from high to low concentration is
A
diffusion
B
organelle
C
difference
D
organ
6) Which element do cells need?
A
oxygen
B
water
C
carbon dioxide
D
glucose
7) Which compound do cells need?
A
carbon dioxide
B
water
C
all of the above
D
oxygen
8) Diffusion is the movement of molecules from
A
low concentration to low concentration
B
high concentration to high concentration
C
low concentration to high concentration
D
high concentration to low concentration
9) Which is true?
A
all of the above
B
Oxygen diffuses from the lungs to the bloodstream
C
Nutrients diffuse from the digestive system into the bloodstream
D
Oxygen diffuses from the bloodstream to the cells
10) Can molecules diffuse out of the cell?
A
Maybe, it depends on the cell.
B
Yes, molecules can diffuse out of the cell.
C
What are molecules?
D
No, molecules can only diffuse into a cell.
11) Another word for 'balanced' is
A
concentration
B
equilibrium
C
diffusion
D
gradient
12) The nutrient cells need is called
A
oxygen
B
protein
C
glucose (sugar)
D
water
13) The oxygen and glucose that diffuses into a cell goes to which organelle to release energy?
A
chloroplast
B
mitochondria
C
nucleus
D
vacuole
14) True or False? Without diffusion all cells would die.
A
true
B
false
15) The cell membrane enables some substances to enter and exit the cell but not all substances. What type of membrane is the cell membrane known as?
A
selectively permeable membrane
B
blocking membrane
C
permeable membrane
D
permanent membrane
*select an answer for all questions
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