NEW
Font size
S
M
L
XL
WorksheetsUnit 3B: Membranes and Transport Pretest
Total questions: 50
Worksheet time: 36mins
Name
Class
Date
1.
What will happen to this cell?
a)
Water will move into the cell
b)
Water will move out of the cell
c)
Water will move into and out of the cell equally
d)
Water will not move at all
2.
Another term for maintaining an internal balance is...
a)
Equality
b)
Babycakes
c)
Homeostasis
d)
Balance
3.
A phospholipid has 2 parts. What are they called?
a)
Hydrophilic Head, Hydrophobic Tail
b)
Hydrophobic Head, Hydrophilic Tail
4.
This forms a boundary between the inside of the cell and the outside of the cell.
a)
Cell Membrane
b)
Lipid Cleric Layer
c)
Membrane Gate
d)
Protein Receptors
5.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails.
a)
phospholipid
b)
Carbohydrate
c)
Cholesterol
d)
Protein
6.
"Water Loving"
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydroloric
7.
"Water Fearing"
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydroloric
8.
Describes the arrangement of the cell membrane as flexible, bendable, and made of many parts.
a)
The Fluid Mosaic Model
b)
The Major Mobility Model
c)
The Crazy Cell Model
d)
The Maze Model
9.
___________ helps keep the phospholipid tails from sticking together and makes it more fluid.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
10.
The cell membrane is selectively permeable, which means...
a)
All materials can enter and leave the cell
b)
Certain things can enter while others cannot
c)
The cell manually sorts through all materials
d)
Only certain cells can interact with the cell.
11.
The majority of the cell membrane is made of which macromolecule?
a)
Lipids
b)
Carbs
c)
Proteins
d)
Nucleic acids
12.
Which of the following macromolecules is NOT part of the cell membrane?
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic Acids
13.
How many layers thick is the lipid bilayer?
a)
1
b)
2
c)
3
d)
4
14.
How does a cell membrane help maintain homeostasis for a cell?
a)
Regulates what enters and leaves the cell
b)
Flexibility
c)
Protective barrier
d)
Structure and support
15.
Which part of the plasma membrane is responsible for cell to cell recognition?
a)
C
b)
E
c)
B
d)
D
16.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A
17.
Hydrophilic portion of cell membrane?
a)
A
b)
C
c)
D
d)
E
18.
Which is a transport protein?
a)
A
b)
B
c)
C
d)
D
19.
Identify the part of the membrane identified by the gold box.
a)
carbohydrate
b)
cholesterol
c)
protein
d)
phospholipid
20.
Identify the part of the membrane identified by the blue box.
a)
carbohydrate
b)
cholesterol
c)
protein
d)
phospholipid
21.
Identify the part of the membrane identified by the green box.
a)
carbohydrate
b)
cholesterol
c)
protein
d)
phospholipid
22.
This process is known as ________ transport.
a)
passive
b)
active
c)
bulk
23.
Which of the structure is NOT a component of the cell membrane?
a)
carbohydrate
b)
protein
c)
phospholipid
d)
ribosomes
24.
In which direction will these molecules diffuse?
a)
to the left
b)
to the right
c)
They will stay on their sides.
25.
Which is true about active transport?
a)
It requires energy
b)
it does not require energy
c)
It moves substances down the concentration gradient
d)
it moves material from high to low concentration
26.
What type of transport is this?
a)
facilitated diffusion
b)
active transport
c)
diffusion
d)
osmosis
27.
The diagram is an example of
a)
diffusion
b)
active transport
c)
osmosis
d)
equilibrium
28.
This is a diagram of...
a)
exocytosis
b)
active transport
c)
osmosis
d)
equilibrium
29.
In what direction do particles naturally diffuse?
a)
Up the concentration gradient
b)
Down the concentration gradient
c)
Across the concentration gradient
d)
Over the river and through the woods
30.
What do the brown structures represent?
a)
Phospholipids
b)
Glycoproteins
c)
Channel Proteins
d)
Cyctoskeleton Filaments
31.
The picture is an example of...
a)
facilitated diffusion
b)
endocytosis
c)
simple diffusion
d)
active transport
32.
The picture is an example of...
a)
active transport
b)
passive transport
c)
exocytosis
d)
osmosis
33.
This picture represents which type of cellular transport?
a)
passive transport
b)
endocytosis
c)
exocytosis
d)
osmosis
34.
Spraying Axe body spray in a corner of the room and someone on the opposite corner smells it is an example of what?
a)
Osmosis
b)
Facilitated diffusion
c)
Active transport
d)
Diffusion
35.
Moving "Big stuff" out
a)
Endocytosis
b)
Exocytosis
c)
Diffusion
d)
Osmosis
36.
Meaning "to drink"
a)
Exocytosis
b)
Endocytosis
c)
Phagocytosis
d)
Pinocytosis
37.
Meaning "to eat"
a)
Pinocytosis
b)
Exocytosis
c)
Phagocytosis
d)
Endocytosis
38.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
39.
Two different solutions are separated by a membrane permeable only to water. How will molecules move?
a)
solutes will move by dissolving
b)
water will move by active transport
c)
solutes will move by osmosis
d)
water will move by osmosis
40.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
41.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
42.
Where is there a high concentration of water?
a)
in the flower
b)
cannot be determined by picture.
c)
in the vase
d)
in the leaves
43.
Where is there a low concentration of perfume?
a)
in the bottle
b)
on the hand
c)
in the room
d)
in the top
44.
In the given scenario what will happen to the organism: salt is poured onto eggplant.
a)
Water will move out of the eggplant cells and the cells will shrink.
b)
Water will move out of the eggplant cells and the cells will swell.
c)
Water will move into the eggplant cells and the cells will swell.
45.
Ideally, your cells should be in a(n) _______ solution
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Cola
46.
In the given scenario what will happen? An egg is placed in pure water for 48 hours.
a)
The egg will gain water and swell.
b)
Water will move in and out of the cell equally, and the cell with neither shrink nor swell.
c)
The egg will lose water and shrink.
47.
Some peeled pieces of apple were placed in distilled water and some in very salty water. The cells in the apple pieces will
a)
lose water in both solutions
b)
gain water in the distilled water and lose water in the salty water
c)
gain water in both solutions
d)
lose water in the distilled water and gain water in the salty water
48.
The U-shaped tube in the figure below is divided by a membrane that is impermeable to starch but permeable to water. Which of the following will occur?
a)
Water will move from the right to the left
b)
Water will move from the left to the right
c)
Starch will move from the right to the left
d)
Starch will move from the left to the right
49.
Wallway is a new general herbicide for aquatic plants. Its main ingredient is a marine salt solution. It is effective against freshwater but not saltwater plants. It works by breaking down the cell walls of the plants. The freshwater plants die because their cells
a)
Swell and burst
b)
Shrink and cease to function
c)
Remain the same size but malfunction
d)
Are crushed by the weight of the plant.
50.
A red blood cell has a salt concentration of O.9%.What will happen if it is placed into a 0.8% salt solution? The red blood cell will
a)
Shrink, shrivel and die
b)
maintain its shape, nothing will happen
c)
swell and probably burst
d)
absorb more salt
Reset
