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Homeostasis And Transport
Test Description: Biology Chapter 5 Test
Instructions: Answer all questions to get your test result.
1) A solution with a relatively low solute concentration is
A
hypertonic
B
isotonic
C
concentrated
D
hypotonic
2) A membrane bound organelle formed by part of the cell membrane pinching off to form a sac is a
A
Vesicle
B
Nucleus
C
Lysosome
D
Golgi Complex
3) A cell engulfing a large particle or whole cell is performing
A
exocytosis
B
pinocytosis
C
phagocytosis
D
cytolysis
4) ______ occurs when a cell shrinks
A
cytolysis
B
plasmolysis
C
turgor
D
phagocytosis
5) The uptake of large amounts of solutes or fluids is called
A
exocytosis
B
phagocytosis
C
cytolosis
D
pinocytosis
6) Cytolysis is when a cell
A
bursts
B
shrinks
C
divides
D
reproduces
7) The difference in concentration across a space is the
A
equilibrium of the cell
B
concentration gradient
C
hypotonicity
D
vesicle
8) Hypertonic refers to the
A
relatively high solute concentration
B
solubility of the cell
C
equilibrium of the solutions
D
relatively low solute concentration
9) When the substances in a cell are in equilibrium with the substances in the outside solution, the solution is considered
A
isotonic
B
hypertonic
C
hypotonic
D
turgor
10) Which type of transport requires energy?
A
Active transport
B
Diffusion
C
Passive transport
D
Osmosis
11) Sodium-potassium pumps
A
move sodium ions and potassium ions out of the cell
B
move sodium ions and potassium ions into the cell
C
move sodium ions out of the cell and potassium ions into the cell
D
move sodium ions into the cell and potassium ions out of the cell
12) The net movement of water across a cell membrane occurs
A
from a hypertonic solution to a hypotonic solution
B
through gated water channels
C
from a hypotonic solution to a hypertonic solution
D
from an isotonic solution to another isotonic solution
13) The process of diffusion requires
A
a cell membrane
B
an aqueous solution
C
a difference in the concentration of molecules throughout a space
D
All of the above
14) If the molecular concentration of a substance is the same throughout space, the substance
A
will undergo osmosis
B
will undergo diffusion
C
has a large concentration gradient
D
is in equilibrium
15) A type of transport in which water moves across a membrane and down its concentration gradient is
A
simple diffusion
B
facilitated diffusion
C
osmosis
D
diffusion through ion channels
16) All forms of passive transport depend on
A
ion channels
B
energy from the cell in the form of ATP
C
carrier proteins
D
the kinetic energy of molecules
17) In a plant cell, water molecules exert _____________ on the cell membrane
A
turgor pressure
B
adhesion
C
osmosis
D
aqueous pressure
18) Molecules diffuse down their concentration gradient (high to low)
A
False
B
True
19) When a solution is in equilibrium, all movement of its molecules stops.
A
True
B
False
20) Which of the following is not a type of passive transport?
A
endocytosis
B
osmosis
C
ion channels
D
facilitated diffusion
*select an answer for all questions
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