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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 wall
B
cell membrane and cell wall
C
cell layer
D
cell membrane
2) The function of the cell membrane is
A
support other organelles
B
release energy in the cell
C
control what enters and exits the cell
D
help the cell go through photosynthesis
3) All cells need what to survive?
A
all of the above
B
nutrients
C
oxygen
D
water
4) Another word for 'concentration' in reference to diffusion is
A
gradient
B
amount
C
a lot
D
equilibrium
5) Moving of molecules from high to low concentration is
A
diffusion
B
organ
C
organelle
D
difference
6) Which element do cells need?
A
water
B
oxygen
C
glucose
D
carbon dioxide
7) Which compound do cells need?
A
all of the above
B
water
C
oxygen
D
carbon dioxide
8) Diffusion is the movement of molecules from
A
low concentration to low concentration
B
high concentration to high concentration
C
high concentration to low concentration
D
low concentration to high concentration
9) Which is true?
A
all of the above
B
Nutrients diffuse from the digestive system into the bloodstream
C
Oxygen diffuses from the bloodstream to the cells
D
Oxygen diffuses from the lungs to the bloodstream
10) Can molecules diffuse out of the cell?
A
Yes, molecules can diffuse out of the cell.
B
Maybe, it depends on the cell.
C
No, molecules can only diffuse into a cell.
D
What are molecules?
11) Another word for 'balanced' is
A
diffusion
B
equilibrium
C
gradient
D
concentration
12) The nutrient cells need is called
A
protein
B
oxygen
C
water
D
glucose (sugar)
13) The oxygen and glucose that diffuses into a cell goes to which organelle to release energy?
A
chloroplast
B
nucleus
C
mitochondria
D
vacuole
14) True or False? Without diffusion all cells would die.
A
false
B
true
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
permanent membrane
C
blocking membrane
D
permeable membrane
*select an answer for all questions
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