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SB1d: Cell Transport Practice

Total questions: 97

Worksheet time: 50mins

Name
Class
Date
1.

What is the diffusion of water through a semi-permeable membrane called?

a)

active transport

b)

facilitated diffusion

c)

endocytosis

d)

osmosis

2.

Which of the following best describes diffusion?

a)

the movement of a substance through a phospholipid bilayer

b)

the movement of a substance in water only

c)

the movement of a substance from high concentration to low concentration

d)

the movement of a substance from low concentration to high concentration

3.

Which of the following best describes the cell membrane?

a)

a waterproof layer of polysaccharides connected by short chains of amino acids

b)

a web of protein fibers

c)

a bilayer of phospholipids

d)

a thick layer of proteins and carbohydrates

4.

How are molecules that are too large to be moved through the cell membrane transported into the cell?

a)

osmosis

b)

exocytosis

c)

endocytosis

d)

diffusion

5.

If the concentration of sugar is lower outside the cell than inside the cell, which of the following will happen by osmosis?

a)

Water will move into the cell

b)

Sugar will move into the cell

c)

Water will move out of the cell

d)

Water will move into the cell

6.

What type of passive transport occurs when transport proteins move sugars and other polar molecules in and out of the cell?

a)

endocytosis

b)

facilitated diffusion

c)

osmosis

d)

simple diffusion

7.

Active transport can be used to transport substances from ___ to ___ concentrations.

a)

high; low

b)

low; high

c)

large; small

d)

equilibrium; gradient

8.

Which of the following best describes a concentration gradient?

a)

the movement of substances from high concentrations to low concentrations

b)

a difference of in amount of particles between two areas

c)

the random motion of particles

d)

the state in which the concentrations of a substance are equal on both sides of a membrane

9.

If a concentration gradient is present, substances will naturally diffuse from ___ concentrations to ___ concentrations.

a)

high; low

b)

low; high

c)

equal; low

d)

none of the above

10.

Which of the following describes cell environments that are high in solutes in relation to the inside of the cell.

a)

hypotonic

b)

hypertonic

c)

isotonic

d)

prokaryotic

11.

Which of the following describes cell environments that are equal in the amount of solutes in relation to the inside of the cell?

a)

hypotonic

b)

hypertonic

c)

isotonic

d)

eukaryotic

12.

What will happen to a human cheek cell placed in salt water?

a)

Water will move into the cell.

b)

Water will move out of the cell.

c)

Water will neither move into nor out of the cell.

d)

Water will move both into and out of the cell.

13.

What happens to the rate of diffusion once equilibrium has been reached?

a)

The net rate of diffusion becomes zero.

b)

The net rate of diffusion increases.

c)

The net rate of diffusion decreases.

d)

The net rate of diffusion cannot be determined.

14.

What is the movement of small particles across a selectively permeable membrane like the cell membrane until equilibrium is reached? 

a)

Diffusion

b)

Osmosis

c)

Facilitated Diffusion

d)

Ion Channel

15.

What is the term to describe maintaining internal balance in the cell? 

a)

Diffusion

b)

Homeostasis

c)

Osmosis

d)

Active transport

16.

Which of these is not a form of passive transport?

a)

Endocytosis

b)

Diffusion

c)

Osmosis

d)

Facilitated Diffusion

17.

What is the process of moving water from high to low concentrations through the cell membrane?

a)

Diffusion

b)

Osmosis

c)

Endocytosis

d)

Exocytosis

18.

Which process moves molecules from low to high concentration?

a)

Diffusion

b)

Osmosis

c)

Facilitated diffusion

d)

Active transport

19.

What type of active transport does waste move out of the cell?

a)

Endocytosis

b)

Exocytosis

c)

Sodium Potassium Pump

d)

Diffusion

20.

What type of active transport does food move into the cell?

a)

Endocytosis

b)

Exocytosis

c)

Sodium Potassium Pump

d)

Diffusion

21.

Active transport requires

a)

A concentration gradient

b)

Osmosis

c)

Energy

d)

Hypertonic solution

22.

What is the job of the cell membrane?

a)

Make proteins

b)

Fold proteins

c)

Direct cell's activities

d)

Allow things in and out of the cell

23.

The picture shows

a)

Osmosis

b)

Diffusion

c)

Endocytosis

d)

Exocytosis

24.

The picture shows

a)

Osmosis

b)

Diffusion

c)

Endocytosis

d)

Exocytosis

25.

Which type of transport goes from low concentration to high concentration using ATP energy?

a)

active transport

b)

passive transport

26.

What type of transport is occurring in the diagram?

a)

diffusion

b)

facilitated diffusion

c)

active transport

27.

Diffusion is a form of __________ transport.

a)

Passive

b)

Active

c)

Easy

d)

Free

28.

Passive Transport uses ____ energy

a)

no

b)

a lot of

c)

a little bit of

d)

some

29.

_____________ is the free movement of particles across the membrane with the concentration gradient

a)

diffusion

b)

facilitated diffusion

c)

active transport

d)

fusion

30.

The general name for movement of substances across cell membranes without need of energy input

a)

passive transport

b)

active transport

31.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
32.

Some cells move large particles out of the cell through the process of:

a)

Protein Synthesis

b)

Endocytosis

c)

Exocytosis

d)

Cytoplasmic Streaming

33.
In this image, the cell is using which type of molecular transport?
a)
Osmosis
b)
Diffusion 
c)
Endocytosis
d)
Exocytosis 
34.

Diffusion is a form of __________ transport.

a)

Passive

b)

Active

c)

Easy

d)

Free

35.

Passive Transport uses ____ energy

a)

no

b)

a lot of

c)

a little bit of

d)

some

36.

_____________ is the free movement of particles across the membrane with the concentration gradient

a)

diffusion

b)

facilitated diffusion

c)

active transport

d)

fusion

37.

What is the movement of particles with the concentration gradient using protein "helpers"?

a)

diffusion

b)

facilitated diffusion

c)

active transport

d)

enzymatic reactions

38.

An example of facilitated diffusion is

a)

CO2 and O2 exchange in the lungs

b)

Glucose transport

c)

Na+ / K+ Pumps

d)

Endocytosis

39.

The general name for movement of substances across cell membranes without need of energy input

a)

passive transport

b)

active transport

40.

After diffusion has occured & the concentrations are the same on both sides of a membrane, the substance is said to be in _________ ____________ .

a)

exocytosis

b)

dynamic equilibrium

c)

net movement

d)

facilitated

41.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
42.

Some cells move large particles out of the cell through the process of:

a)

Protein Synthesis

b)

Endocytosis

c)

Exocytosis

d)

Cytoplasmic Streaming

43.
In this image, the cell is using which type of molecular transport?
a)
Osmosis
b)
Diffusion 
c)
Endocytosis
d)
Exocytosis 
44.

Students are observing particles moving against the concentration gradient in a lab investigation. Which type of transport are they observing?

a)

osmosis

b)

active Transport

c)

facilitated diffusion

d)

diffusion

45.

Students are observing particles moving with the concentration gradient in a lab investigation. Which type of transport are they observing?

a)

using pumps to move things quickly

b)

passive transport

c)

osmosis

d)

endocytosis

46.

This picture shows molecules of red dye that have moved. What is this type of movement called?

a)

Osmosis; the water molecules are moving from high concentration to low

b)

Diffusion; the dye molecules are moving from low to high concentration

c)

Diffusion; the dye molecules are moving from high to low concentration.

d)

Facilitated diffusion; because the molecules are moving through a protein channel.

47.

The cell membrane is responsible for allowing molecules to diffuse into or out of the cell. What type of movement is diffusion?

a)

Passive transport

b)

Active transport

48.

The cell membrane is responsible for allowing molecules to diffuse through a protein channel, from high concentration to low concentration. What type of transport is this?

a)

Passive Transport

b)

Active transport

49.

The cell membrane needs to use energy to move molecules quickly out of the cell through a pump. What type of transport is this?

a)

Passive transport

b)

Active transport

50.

Passive transport is when molecules move ________ the concentration gradient.

a)

against

b)

up

c)

down

d)

with

51.

Active transport is when molecules move ________ the concentration gradient.

a)

against

b)

up

c)

down

d)

with

52.

This picture is a representation of what type of transport?

a)

Osmosis because it is diffusing through a protein from an area of high concentration to low concentration.

b)

Facilitated diffusion because it is diffusing through a protein from an area of high concentration to low concentration.

c)

Facilitated diffusion because it is diffusing through a protein from an area of low concentration to high concentration.

d)

Simple diffusion because it is diffusing through a protein from an area of high concentration to low concentration.

53.

This picture describes the movement of molecules across the cell membrane. Choose 2 answers that correctly describes the movement of the molecules.

a)

Molecules are moving up the concentration gradient.

b)

Molecules are moving from an area of low concentration to area of high concentration .

c)

Molecules are moving down the concentration gradient.

d)

Molecules are moving from an area of high concentration to area of low concentration.

54.

What do you think will not allow the turgid plant cell to burst?

a)

chloroplast

b)

cell membrane

c)

cell wall

d)

central vacuole

55.

This a picture of an animal and plant cell placed in a solution. Describe the solution?

a)

Isotonic

b)

Hypotonic

c)

Hypertonic

56.

This a picture of an animal and plant cell placed in a solution. Describe the solution?

a)

Isotonic

b)

Hypotonic

c)

Hypertonic

57.

What type of solution was this plant placed in?

a)

hypertonic

b)

isotonic

c)

hypotonic

58.

What type of solution was this plant placed in?

a)

hypotonic

b)

isotonic

c)

hypertonic

59.

A cell with a 10% salt solution; is placed in distilled water with 0% starch concentration. Water can travel across a semipermeable membrane but starch cannot. Would you expect to see after an hour?

a)

The solution inside the cell is hypotonic and moves into the cell.

b)

The solution inside the cell is hypertonic so the water moves into the cell.

c)

The solution inside the cell is hypotonic and moves out of the cell.

d)

The solution inside the cell is isotonic so the water doesn't move.

60.

Which cell do you think would be most ideal for maintaining homeostasis?

a)

The smallest cell because it would be more efficient to remove and obtains molecules

b)

The largest one because it would be able to obtain more food and store for longer periods of time.

c)

The largest one because it has more room to grow

d)

The medium cell because it would be more efficient to remove and obtains molecules

61.

What is the monomer for a lipid?

a)

monosaccharide

b)

glycerol and fatty acid

c)

amino acids

d)

nucleic acid

62.

What is the name of this macromolecule?

a)

protein

b)

carbohydrate

c)

lipid

d)

nucleic acid

63.

What is the main function of this macromolecule?

a)

Insolation, and components of the cell membrane

b)

quick energy

c)

structure muscles and growth.

d)

storage of genetic information

64.

This image is a model of-

a)

Flagella

b)

Nucleus

c)

Endoplasmic Reticulum

d)

Cell Membrane

65.

The function of the plasma membrane is....

a)

Vesicle with enzymes to digest waste

b)

Regulate what is transported into and out of the cell

c)

Package materials

d)

Make proteins

66.

 

What does "bilayer" mean?

a)

one layer

b)

two layers

c)

virus

d)

antibiotic

67.

Most of the cell membrane is made of...

a)

Nucleic acids

b)

Proteins

c)

Lipids

d)

Carbohydrates

68.

 

What forms the channels and pumps in the phospholipid bilayer?

a)

proteins

b)

hydrophilic heads

c)

lipids

d)

carbohydrates

69.

Hydrophobic region of the cell membrane?

a)

E

b)

B

c)

C

d)

A

70.

Hydrophilic portion of cell membrane?

a)

D

b)

C

c)

B

d)

A

71.

A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails. 

a)

cholesterol

b)

glycoprotein

c)

phospholipid

d)

glucose

72.

___________ allow cells to recognize each other and act like ID tags. 

a)

Carbohydrates

b)

Proteins

c)

Phospholipids

d)

Cholesterol

73.

___________ strengthens and stabilizes the cell membrane.

a)

Carbohydrates

b)

Proteins

c)

Phospholipids

d)

Cholesterol

74.

Something is ___________ ____________ when some molecules can cross the membrane while others cannot. 

a)

made of carbohydrates

b)

Selectively (or Semi) Permeable

c)

made of enzymes

d)

isotonic

75.

The _________ of the phospholipids in a cell membrane face inward towards each other because they are ___________.

a)

heads, hydrophobic

b)

heads, hydrophilic

c)

tails, hydrophobic

d)

tails, hydrophilic

76.

The _________ of the phospholipids in a cell membrane face outward because they are ___________.

a)

heads, hydrophobic

b)

heads, hydrophilic

c)

tails, hydrophobic

d)

tails, hydrophilic

77.
Most of the cell membrane is made of...
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic acids
78.
What does "bilayer" mean?
a)
one layer
b)
two layers
c)
laminated
d)
bilateral
79.
True or false:  Some things are not allowed to enter the cell at all. 
a)
True
b)
False
80.

What is the outer boundary called on ALL cells that controls what goes in and out of that cell?

a)

Cell Wall

b)

Nucleus

c)

Cell Membrane

81.

How many layers does the phospholipid bilayer have?

a)

Two

b)

One

c)

Three

82.

The polar head of the phospholipid (a)   water. (loves or hates?)

83.

What is the smallest, most basic unit of life?

a)

Atom

b)

Cell

c)

bacteria

d)

Molecule

84.

Atoms are smaller than cells. Can atoms be considered living?

a)

Yes

b)

No

85.

What is the least amount of cells an organism can have and still be considered living.

a)

1

b)

3

c)

5

d)

more than 5

86.
The function of the plasma membrane is....
a)
to regulate what enters and leaves the cell.
b)
fight bacteria and viruses that enter the cell.
c)
provide rigid support and protection to the cell.
d)
make sure each cell can move
87.

The three functions of the cell membrane are to:

a)

protect the contents of the cell

b)

control all the functions of the cell

c)

control what enters and leaves the cell

d)

signal to other cells and communicate

88.

What is it called when the cell membrane selects what can and cannot go into the cell

a)

selection process

b)

selective choosing

c)

selective permeability

d)

selective choice

89.

This is a

a)

cell

b)

cholesterol

c)

lipid

d)

phospholipid

90.

How many layers of phospholipids are in a cell membrane?

a)

one

b)

two

c)

three

d)

four

91.

The head of a phospholipid is

a)

hydroblast

b)

hydrophobic

c)

hydrophilic

d)

hydropump

92.

The tail of a phospholipid is

a)

hydrophilic

b)

hydroblast

c)

hydrophobic

d)

hydropump

93.

The arrow is pointing to the

a)

hydrophobic head

b)

hydrophilic head

c)

hydrophobic tail

d)

hydrophilic tail

94.

The arrow is pointing to the

a)

hydrophilic head

b)

hydrophobic head

c)

hydrophilic tail

d)

hydrophobic tail

95.

The prefix hydro- means

a)

earth

b)

water

c)

sun

d)

cells

96.

The suffix -philic means

a)

hating

b)

loving

c)

cells

d)

Philis

97.

The _______________ of the phospholipids in a cell membrane face inward towards each other.

a)

heads

b)

tails

c)

stems

d)

sticks

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