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Unit 2 Test Review

Total questions: 81

Worksheet time: 3hrs 31mins

Name
Class
Date
1.
Every living organism is made up of one or more cells
a)
True
b)
False
2.

which statement below about cells is true?

a)

all things are composed of cells

b)

all cells come from other cells

c)

all cells have a cell nucleus

d)

all cells contain organs and tissues

3.

which statement below about cells is true?

a)

all things are composed of cells

b)

all cells come from other cells

c)

all cells have a cell nucleus

d)

all cells contain organs and tissues

4.

An organism made of only one cell is called _____ .

a)

Eukaryotic

b)

Mutlicellular

c)

Monocellular

d)

Unicellular

5.

A nucleus is found within...

a)

Eukaryotic cells

b)

Prokaryotic cells

6.
Which is true of prokaryotic and eukaryotic cells?
a)
Prokaryotic cells are larger than eukaryotic cells.
b)
Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.
c)
Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
d)
Eukaryotic cells are simpler than prokaryotic cells.
7.

You can distinguish a prokaryote apart from a nucleus by--

a)

The presence of a ribosome

b)

The presence of a cell membrane

c)

The presence of DNA

d)

The presence of a nuclear membrane

8.
A fossilized cell is discovered, and evidence suggests it reproduced on its own and had DNA, but a membrane did not enclose its DNA. Which type of organism would this most likely be?
a)
prokaryote
b)
eukaryote
c)
plant cell
d)
animal cell
9.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
10.

Your cell is running out of ATP, even though you have plenty of glucose! What organelle is malfunctioning?

a)

Mitochondria

b)

Vacuole

c)

Chloroplast

d)

Cell Membrane

11.

Harmful things that shouldn't be were entering the cell and finding their way through because this structure was breaking down

a)

Cell Membrane

b)

Chloroplast

c)

Nucleus

12.

Your cell is running out of ATP, even though you have plenty of glucose! What organelle is malfunctioning?

a)

Mitochondria

b)

Vacuole

c)

Chloroplast

d)

Cell Membrane

13.

Harmful things that shouldn't be were entering the cell and finding their way through because this structure was breaking down

a)

Cell Membrane

b)

Chloroplast

c)

Nucleus

14.

Humans who have disorders of these organelles often feel lethargic, as though they have no energy

a)

Mitochondria

b)

Cell Membrane

c)

Cytoplasm

d)

Cell Wall

15.

Your cell is trying to move around, but its propeller isn't working. What part of the cell isn't working properly?

a)

Flagella

b)

Chloroplast

c)

Cell Membrane

d)

Nucleus

16.

Times are tough, and your cell needs to get some nutrients and proteins out of storage, but unfortunately nothing has been stored. Which organelle failed to act as storage?

a)

Vacuole

b)

Cell Membrane

c)

Nucleus

d)

Chloroplast

17.

Without the direction of this main organelle, the cell would be out of control and wouldn't be able to divide.

a)

Nucleus

b)

Cell Membrane

c)

Vacuole

d)

Cytoplasm

18.

Some bacteria damage plants by releasing enzymes that break down this protective, strong outer barrier.

a)

Cell Wall

b)

Nucleus

c)

Vacuole

d)

Mitochondria

19.

If these organelles are absent or malfunctioning, the plant cell will be unable to produce food for itself.

a)

Chloroplast

b)

Cell Membrane

c)

Cytoplasm

d)

Vacuole

20.

My Cell Analogy Project is done and I'm ready to move on to Cell Transport

a)

Of course!

b)

No, I'll have to work on an alternate assignment.

21.

Select the organelle that creates ATP

a)
b)
c)
d)
22.

Which TWO organelles are found ONLY IN PLANT CELLS?

a)

nucleus

b)

chloroplast

c)

mitochondria

d)

cytoplasm

e)

cell wall

23.

Which of the following describes homeostasis?

a)

keeps variables exactly at the set point

b)

organism's ability to maintain steady (stable) internal conditions

c)

acts to keep values outside of a desired range

d)

operates through positive feedback

24.
Name the levels of organization in the human body in order from smallest to largest:
a)
Tissue, organ, organ system
b)
Organ system, tissue, organs, cells
c)
Cells, tissue, organs, organ system
d)
Cells , organs, tissue, organ system
25.
What is another word that can be used to describe "homeostasis"?
a)
STABLE
b)
EQUAL
c)
COMPLETE
d)
CORRECT
26.

Check all that apply. Which of the following are examples of an organism maintaining homeostasis?

a)

Shivering when cold

b)

Sweating when hot

c)

Fever - an immune response when sick

d)

Vomiting - releases toxins and wastes

27.
Which organelle allows the cell to obtain items from outside the cell?
a)
Nuclear membrane
b)
Vacuole
c)
Cell Membrane
d)
Cell Wall
28.
I store water in both plant and animal cells. What am I?
a)
cytoplasm
b)
ribosomes
c)
vacuole
d)
lysosomes
29.

Osmosis is the diffusion of ______________ molecules.

a)

salt

b)

glucose

c)

water

d)

protein

30.

Osmosis is the diffusion of ______________ molecules.

a)

salt

b)

glucose

c)

water

d)

protein

31.

When molecules are spread evenly across the cell membrane, _______________ is reached.

a)

difference 

b)

equilibrium

c)

solution

d)

transportation

32.

Passive transport is called “passive” because it occurs WITHOUT:

a)

Energy

b)

cause

c)

a cell wall

d)

a concentration gradient

33.

Which of the following is NOT a type of passive transport?

a)

osmosis 

b)

diffusion

c)

endocytosis

d)

facilitated diffusion

34.

In passive transport, particles move from and area of ____ concentration to _____ concentration.

a)

High to low

b)

low to high

c)

high to high

d)

low to low

35.

What type of solution causes the blood cells to swell and burst?   

a)

Hypertonic

b)

Isotonic

c)

Hypotonic

d)

Not a tonic

36.

What type of solution causes the blood cells to shrink?   

a)

Hypertonic

b)

Isotonic

c)

Hypotonic

d)

Not a tonic

37.

If a cell allows some things in but doesn’t allow other things in, this is known as:

a)

Permeable

b)

Picky

c)

Impermeable

d)

Selectively permeable

38.
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
39.
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 (where the molecules are more crowded together) to a area of low concentration (where molecules are more spread apart)
40.
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
41.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
42.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
43.
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
44.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
45.
If there is 5 percent water inside a cell and 5 percent water outside a cell
a)
more water will move inside the cell
b)
more water will move outside the cell
c)
There will be no movement of water cells
46.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
a)
Osmosis
b)
Diffusion
c)
Equilibrium
47.
Diffusion can be used in...
a)
Plants and Animals
b)
Only Plants
c)
Only Animals
d)
Only Humans
48.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
49.

Passive Transport means

a)

Energy is used

b)

No energy is used

c)

Energy is created

50.
Where will the water go?
a)
Into the cell
b)
Out of the cell
c)
Equally in & out - it's isotonic
d)
There is no water
51.
Mr. Slug was salted. Where was there more solute immediately after salting?
a)
Outside of the slug
b)
Inside of the slug
c)
There was no solute anywhere
52.
A blood cell is placed into the jar, as seen. Where will the water go?
a)
Into the cell
b)
Out of the cell
c)
Equally in & out - it's isotonic
d)
The water is a lie
53.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
54.
 If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is _______ compared to the cell.
a)
hypertonic
b)
hypotonic
c)
isotonic
55.
 An animal cell placed in a hypertonic (salty) solution will
a)
Stay the same
b)
Shrink- get smaller
c)
Swell- get bigger
56.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
57.
HYPO means...
a)
Low
b)
High
c)
Equal
d)
Fat
58.
ISO means...
a)
Low
b)
A lot
c)
Equal
d)
Mammal
59.
What happens if someone gives you a 90% salt saline drip?
a)
Your cells will shrivel and you'll die
b)
Your cells will swell and you'll die
c)
Nah you'll be fine.
60.
Why can't you drink salt water?
a)
It's hypertonic to your cells
b)
It's hypotonic to your cells
c)
It's isotonic to your cells
d)
It's paratonic to your cells
61.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
62.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
63.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
64.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
65.

The head of phospholipids are

a)

hypotonic

b)

hydrophbic

c)

hypertonic

d)

hydrophilic

66.

What is the plasma membrane made of?

a)

sugars

b)

phospholipids

c)

nucleic acids

d)

proteins

67.
What type of transport is this?
a)
Endocytosis
b)
Diffusion
c)
Exocytosis
d)
Osmosis
68.
What type of transport is this?
a)
Endocytosis
b)
Facilitated Diffusion
c)
Active Transport Pump
d)
Osmosis
69.
What type of transport is this?
a)
Endocytosis
b)
Exocytosis
c)
Diffusion
d)
Sodium-Potassium Pump
70.

Active transport is movement of particles through the cell membrane from a region of ...1... to a region of ...2... using energy in the form of ...3...

a)

1: lower concentration, 2: higher concentration, 3: NADPH

b)

1: higher concentration, 2: lower concentration, 3: NADPH

c)

1: higher concentration, 2: lower concentration, 3: ATP

d)

1: lower concentration, 2: higher concentration, 3: ATP

71.

Which one is the definition of active transport?

a)

movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy in the form of ATP.

b)

passage of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane

c)

net movement of molecule from a region of higher concentration to region of lower concentration. Molecule down a concentration gradient

d)

net movement of molecule from a region of lower concentration to region of higher concentration. Molecule down a concentration gradient

72.
The picture is an example of...
a)
active tranport
b)
passive transport
c)
diffusion
d)
osmosis
73.
What are 3 types of active transport?
a)
Riding a bike, Running through the mountains, walking on the beach
b)
Osmosis, Diffusion, Facilitated Diffusion
c)
Sodium/potassium Pump, Endocytosis, Exocytosis
d)
Throwing a ball, Playing tennis, driving a car
74.
Even though the concentration of salt is high in some gland cells and low in the blood, these cells can move salt out of blood and into the cells.  This is an example of
a)
passive transport
b)
active transport
c)
diffusion
d)
osmosis
75.
The roots of a plant contain a high concentration of minerals and the soil contains a lower concentration.  The roots absorb minerals from the soil.  This is an example of
a)
passive transport.
b)
active transport.
c)
diffusion
d)
osmosis
76.
Cells sometimes use energy to transport materials across the cell membrane.  This is called
a)
photosynthesis
b)
osmosis
c)
cellular respiration
d)
active transport
77.

Which is an accurate description of the diagram below?

a)

Na+ and Amino Acids are both transporting passively.

b)

Na+ and Amino Acids are both transporting actively.

c)

Na+ is diffusing passively, and Amino Acids are transporting actively.

d)

Na+ is transporting actively, and Amino Acids are diffusing passively.

78.
Solutes move against the concentration gradient
a)
Passive Transport
b)
Active Transport
79.
What is the difference between active and passive transport?
a)
Active does not need energy and passive uses ATP (energy)
b)
Active uses ATP (energy) and passive does not need energy
c)
Active stores transport proteins and passive releases 
d)
Active uses hormones and passive does not 
80.

What might happen if a cell did not have any ATP/energy?

a)

It would not have enough energy to do active transport

b)

It's cell membrane would break

c)

The transport proteins would not be needed.

81.

Special transport proteins in the cell membrane carry out active transport. How are molecules transported through the protein pumps?

a)

The molecules are sucked in automatically through the transport proteins.

b)

The transport proteins change shape to push the molecules through the membrane of the cell.

c)

The protein pumps have characteristics which attract molecules from the outside of the cell.

d)

They just naturally occur without any efforts.

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