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Passive Transport

Total questions: 31

Worksheet time: 33mins

Name
Class
Date
1.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
2.
What is diffusion?
a)
The movement of particles from low conc. to high conc. in a given space
b)
The movement of particles from high conc. to low conc. in a given space
3.

Which type of passive transport uses helper proteins to help molecules pass through the membrane?

a)
Diffusion
b)
Facilitated diffusion
c)
Osmosis
d)
All of the above
4.

Cell membranes are described as selectively permeable.

Four students were asked to explain what this means. Which one is correct?

a)

Student 1: Cell membranes prevent all materials from entering the cell.

b)

Student 2: Cell membranes only provide structural support for the cell.

c)

Student 3: Cell membranes regulate which substances can enter and exit the cell.

d)

Student 4: Cell membranes allow water and water-soluble substances to enter the cell.

5.

Which characteristic of a cell membrane allows it to control materials entering and leaving a cell?

a)

A cell membrane is surrounded by fluid.

b)

A cell membrane is semi-permeable.

c)

A cell membrane holds organelles in place.

d)

A cell membrane is found in plant and animal cells.

6.

Passive Transport

a)

Does require cell energy

b)

Does NOT require cell energy

7.
What is diffusion?
a)
when molecules move from a low concentration to a high concentration 
b)
when molecules move from a high concentration to a low concentration.
c)
no movement 
d)
molecules move everywhere
8.
What is the definition of  Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration to a area of low concentration 
9.
Which of the following moves with the concentration gradient?
a)
Active Transport
b)
Phagocytosis
c)
Pinocytosis
d)
Diffusion 
10.

What type of transport uses a transport protein?

a)

Osmosis

b)

Facilitated diffusion

c)

Diffusion

d)

Passive transport

11.

What are examples of passive transport

a)

Simple diffusion

b)

Exocytosis

c)

Osmosis

d)

Facilitated diffusion

e)

Endocytosis

12.

What is the picture showing?

a)

Active transport

b)

Osmosis

c)

Diffusion

d)

Facilitated Diffusion

e)

Filtration

13.

Osmosis requires energy for transport of water molecules

a)

True

b)

False

14.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
15.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
16.
Equilibrium?
a)
a large  amount of substance on  side of the cell and a small amount on the other side
b)
a small  amount of substance on  side of the cell and a large amount on the otherside
c)
equal amount of substance on either side of the membrane  
d)
no particles on either side of the a cell membrane
17.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup 
d)
no concentration gradient
18.

Select all correct answers: An example of passive transport is

a)

Osmosis

b)

Uptake

c)

Diffusion

d)

Pump methods

19.
What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?
a)
Diffusion
b)
Osmosis
c)
Active Transport
d)
Facilitated Diffusion
20.

Kidneys use ______________ to provide equilibrium in the body.

a)

Osmosis

b)

Filtration

c)

Facilitated Diffusion

d)

Diffusion

21.

The substance most commonly transported by facilitated diffusion is

a)

Potassium

b)

Insulin

c)

Cytoplasm

d)

Glucose

22.

An activated canister of tear gas is thrown into a room. Soon the gas spreads wall to wall. This movement is an example of

a)

diffusion

b)

osmosis

c)

facilitated diffusion

d)

Filtration

23.

Dropping a yo-yo is an example of passive transport

a)

True

b)

False

24.

Diabetics have ________ blood sugar.

a)

High

b)

Low

25.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
26.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
27.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
28.
The picture  is an example of _________________.
a)
isotonic
b)
diffusion
c)
osmosis
d)
active transport
29.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
30.

What type of transport is being shown in the picture?

a)

Diffusion

b)

Osmosis

c)

Facilitated Diffusion

d)

Filtration

31.

A diabetic has a problem with which type of transport?

a)

diffusion

b)

facilitated diffusion

c)

filtration

d)

osmosis

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