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Cells Unit Review

Total questions: 89

Worksheet time: 1hrs 4mins

Name
Class
Date
1.
Which statement is a fundamental principle of the cell theory?
a)
All cells have a cell membrane (plasma membrane)
b)
Eukaryotic cells are larger than prokaryotic cells
c)
Living organisms are composed of cells
d)
The genetic material in cells is DNA
2.
Which statement is true about bacterial cells?
a)
The cells are very large
b)
The cells have no nucleus
c)
The are eukaryotes
d)
They have organelles
3.
Which is present only in eukaryotic cells?
a)
cell membrane
b)
cytoplasm
c)
DNA
d)
nucleus
4.
Which organelle converts sugars into energy?
a)
lysosome
b)
mitochondria
c)
nucleus
d)
ribsome
5.
A scientist at the polar ice cap was studying an ice sample from 100 meters below the surface.  He noticed the cell structures of cytoskeleton, mitochondria, nucleus, cell wall and ribosomes.  What kind of organism did he find?
a)
animal
b)
bacteria
c)
plant
d)
not enough info
6.
Some cells, such as human nerve and muscle cells, contain many more mitochondria than do other cells, such as skin cells.  Why do some cells have more mitochondria than others?
a)
The cells use more energy
b)
The cells store more nutrients
c)
The cells degrade more proteins
d)
The cells divide more frequently
7.
A cell with numerous ribosomes is probably specialized for 
a)
enzyme storage
b)
energy production
c)

cell division

d)
protein synthesis
8.
All cells must have a
a)
cell wall
b)
cell membrane
c)
nucleus
d)
nucleoli
9.
The main difference between prokaryotic and eukaryotic cells is that
a)
prokaryotic cells are always larger
b)
prokaryotic cells do not have a cell membrane
c)
eukaryotic cells have a smaller cell nucleus
d)
eukaryotic cells have a more advanced cellular organization
10.
A cell stores food, water or waste products in
a)
chloroplast
b)
nuclei
c)
ribosomes
d)
vacuole
11.
Which of the following is not part of the cell theory?
a)
cells must contain DNA 
b)
all living things are made from cells
c)
cells can only come from other cells
d)
cells are the basic unit of life
12.
He discovered that all plants are made of cells:
a)
Anton van Leeuwenhoek
b)
Theordor Schwann
c)
Robert Hooke
d)
Mattias Schleiden
13.
The cell membrane's function is to...
a)
Produce proteins
b)
Hold the genetic information
c)
Regulate what comes in and out of the cell
d)
Produce lipids
14.
Does a plant cell have both mitochondria and chloroplasts?
a)
Yes
b)
No
15.
Which cell type has a cell wall?
a)
Plant Cell
b)
Animal Cell
16.
Which of the following is in BOTH plant and animal cells?
a)
Chloroplasts
b)
Cell Wall
c)
Mitochondria
d)
Large Vacuole
17.
Which organelle gets rid of waste?
a)
Lysosome
b)
Golgi Apparatus
c)
Ribosome
d)
Nucleus
18.
Which organelle gives an animal cell its structure?
a)
Cell Wall
b)
Plasma Membrane
c)
Nucleus
d)
Cytoskeleton
19.

What is the basic unit of life?

a)

heart

b)

lungs

c)

cells

d)

brain

20.

All cells must come from pre-existing cells.

a)

True

b)

False

21.

What is the function of the golgi apparatus?

a)

ATP energy

b)

produce proteins

c)

receive, sort, modify and ship molecules

d)

detoxification

22.

The structure called flagella helps the prokaryotic cell (bacteria) do what?

a)

gather food

b)

Movement

c)

Reproduce

d)

defense

23.

What are 3 differences between plant and animal cells?

a)

Plants have cell wall, large vacuole, and chloroplasts

b)

Animal cells have cell walls and chloroplasts

c)

Both cell types have cell walls

d)

Plant cells have small vacuoles and animal cells have a large vacuole

24.

Main use of vacuoles is for .....

a)

Waste Removal

b)

Cellular Respiration

c)

Storage of water and nutrients

d)

photosynthesis

25.
The picture is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
26.
Osmosis is the diffusion of __________.
a)
water
b)
glucose
c)
air
d)
passive transport
27.
Hydrophilic portion of cell membrane?
a)
A
b)
C
c)
D
d)
E 
28.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A 
29.
Which form of active transport is being shown?
a)
Facilitated Diffusion
b)
Exocytosis
c)
Endocytosis
d)
Protein Pumps
30.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
31.
Which transport does not require energy?
a)
Passive
b)
Active 
32.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
33.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
mitochondrion
d)
golgi apparatus
34.
You might think of me as the trash collector, but recycler is maybe more accurate. What am I?
a)
mitochondria
b)
lysosome
c)
vacuole
d)
ribosome
35.

  There are three parts to the cell theory. Which is NOT one of those parts?

a)

All organisms are composed of one or more cells.

b)

The cell is the basic unit of structure and organization in organisms.

c)

Cells spontaneously arise from carbon and nutrients carried in the bloodstream.

d)

All cells come from pre-existing cells.

36.

  Which invention was the most important thing that helped scientists develop the cell theory?

a)

compound light microscope

b)

petri dish

c)

scanning electron microscope

d)

dissection tools

37.
Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?
a)
The Theory of Gravity
b)
The Theory of Relativity
c)
The Cell Theory
d)
The Theory of Continental Drift
38.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
telescope
39.
Using this image, what organelle is C?
a)
Cell Wall
b)
Mitochondria
c)
Large Cell Vacuole
d)
Chloroplast
40.

command center, direct's the cell's activities

a)

nucleus

b)

lysosome

c)

mitochondria

d)

endoplasmic reticulum

41.

Which part is colored in the picture? (Look closely--it's the little dots!)

a)

Nucleus

b)

Mitochondria

c)

Vacuole

d)

Ribosomes

42.

Which organelle is colored in this picture?

a)

Endoplasmic reticulum

b)

Gogli body

c)

Lysosomes

d)

Cell mebrane

43.
What organelle uses enzymes to help with digestion?
a)
lysosomes
b)
ribosomes
c)
endoplasmic reticulum
d)
vacuoles
44.

Examine the animal cell, what does number 8 represent?

a)

Smooth ER

b)

Rough ER

c)

Nucleus

d)

Golgi Apparatus

e)

Mitochondria

45.

Is the jelly-like substance in the cell that contains the organelles

a)

ribosome

b)

cytoplasm

c)

cell wall

d)

chloroplast

46.

Sac within the cytoplasm that STORES fluid, plants have a larger one that stores food and water.

a)

vacuole

b)

lysosome

c)

cell wall

d)

ribosome

47.
Which of the following is made up of two or more tissues and perform a specific function?
a)
A cell
b)
An organ
c)
An organelle
d)
An individual organism
48.
 What is a tissue?
a)
A group of similar cells working together.
b)
 A group of similar organs working together.
c)
A specific structure inside of an organism.
d)
The largest structure in a eukaryotic organism.
49.
Which of the following is the LARGEST and MOST complex level of organization in the body? 
a)
Cell
b)
Organ 
c)
Tissue
d)
Organ system
50.
The most basic unit of organization in animals is the ____. 
a)
Cell
b)
Tissue
c)
Organ 
d)
Organ system
51.
The cells in a multicellular organism are specialized to perform a particular function. A group of related cells that work together make up _____. 
a)
 An organism 
b)
 An organ system
c)
An organ 
d)
A tissue
52.

The theory of Endosymbiosis explains

a)

The origin of eukaryotes

b)

How bacteria live

c)

How species develop

d)

Why cells rely on one another

53.

____________ & _________________ are organelles that definitely arose from endosymbiosis.

a)

Nucleus and cell membrane

b)

Chloroplast and mitochondria

c)

Mitochondria and nucleus

d)

Cell wall and chloroplast

54.

What are evidence to support endosymbiotic theory?

a)

Mitochondria is found outside the cells

b)

Mitochondria and chloroplast can divide independently

c)

Mitochondria and chloroplast have their own cell membrane

d)

Mitochondria and chloroplast have their own genetic material

55.
Theory that says eukaryotic cells formed from symbiosis among several different prokaryotes.
a)
Natural Selection
b)
Biogenesis Theory
c)
Evolutionary Theory
d)
Endosymbiotic Theory
56.
Are prokaryotes multicellular or unicellular? 
a)
Multicellular
b)
Unicellular
57.

Why type of cell does not contain membrane bound organelles?

a)

Animal Cells

b)

Prokaryotic Cells

c)

Eukaryotic Cells

d)

Plant Cells

58.

Eukaryotes are thought to have evolved by a prokaryote engulfing one heterotrophic bacteria and one photosynthetic bacteria.

a)

false

b)

true

59.

Specialized cells such as muscle, blood, or nerve cells are caused by cell differentiation led by

a)

DNA

b)

nucleus

c)

ribosomes

d)

plasma membrane

60.

Cells differentiate to perform different functions because

a)

all genes are turned on inside that cell

b)

all genes are turned off inside that cell

c)

different genes are turned on inside that cell

d)

different genes are turned on or off inside that cell

61.

Unspecialized cells in our body that has the ability to differentiate into different types of cells are called

a)

specialized cells

b)

differentiated cells

c)

nerve cells

d)

stem cells

62.
What is cell differentiation?
a)
Process by which cells produce more cells
b)
Process by which cells become specialized
c)
Process by which cells become unspecialized
d)
Process by which cells die
63.
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
64.

What term is used to describe when two solutions have reached a balanced state?

a)

Hypotonic

b)

Tonicity

c)

Hypertonic

d)

Equilibrium

65.

How are osmosis and diffusion similar processes?

a)

A both move solute molecules

b)

both move water molecules

c)

they move low to high concentrations

d)

both move high to low concentrations

66.

A cell has 80% water 20% solute, the surrounding solution has 60% water and 40% solute. What type of solution is this?

a)

Hypertonic

b)

Isotonic

c)

Hypotonic

d)

Equilibrium

67.

When placed in a solution of 30% water 70% salt, what would happen to a cell that is 70% water?

a)

it will take in salt and swell

b)

it will take in water and swell

c)

it will lose water and shrink

d)

it will remain the same size

68.
You put a cell into a solution, the cell grows. Is the solution hypotonic or hypertonic to the cell? 
a)
hypertonic
b)
hypotonic
c)
isotonic
d)
not enough information
69.
An ISOTONIC solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.
a)
lower
b)
equal
c)
higher
70.
If a cell is placed in a HYPOTONIC solution, water will move _________ of the cell, causing it to ___________.
a)
into, swell
b)
out of, shrivel
c)
in and out of the cell, stay the same
71.

Active transport requires

a)

osmosis

b)

energy

c)

a hypotonic solution

d)

a concentration gradient

72.

Why would a plant cell become wilted in a concentrated sugar solution?

a)

the cell would gain water by the process of osmosis

b)

the cell would lose water by the process of osmosis

c)

the cell would lose water because of active transport

d)

the cell would gain water because of active transport

73.

Movement of particles or molecules from an area of high concentration to an area of low concentration is called

a)

Photosynthesis

b)

Concentration gradient

c)

Diffusion

d)

Active Transport

74.

What type of transport is displayed here?

a)

Active Transport

b)

Facilitated Diffusion

c)

Simple Diffusion

75.

Pick all that apply: Passive Transport

a)

Osmosis

b)

Simple Diffusion

c)

Doesn't require Energy

d)

Molecules move from low concentration to high concentration

76.

Which is not apply to Active Transport?

a)

Requires Energy

b)

Exocytosis

c)

Endocytosis

d)

Osmosis

77.
What will be the total magnification if the ocular lens is 10X and the objective lens is 40X?
a)
40X
b)
10X
c)
100X
d)
400X
78.
This image shows the detailed structure of the tiny mitochondria organelle.  Which microscope most likely took this image?
a)
Compound Light
b)
Scanning Electron
c)
Dissecting
d)
Transmission Electron
79.
Which microscope would you use to see a bed bug in 3D, with a magnification of about 500,000X?
a)
Compound Light
b)
Scanning Electron
c)
Dissecting
d)
Transmission Electron
80.
Which microscope has a magnification range between 40X-1000X?
a)
Compound Light
b)
Transmission Electron
c)
Dissecting
d)
Scanning Electron
81.
Which microscope would you use to see the outside of a bee with a magnification under 100X. 
a)
Compound Light
b)
Scanning Electron
c)
Dissecting
d)
Transmission Electron
82.
Which type of microscope would you use to see the outside of a paramecium at 1000X magnification?
a)
Compound Light
b)
Scanning Electron 
c)
Dissecting
d)
Transmission Electron
83.
Which electron microscope provides details of a cell's internal structures?
a)
Scanning Electron Microscope (SEM)
b)
Transmission Electron Microscope (TEM)
c)
Light Microscope
d)
Dissecting Microscope
84.

Students were asked to distinguish between a theory and a law. Four student responses were placed in the table below.

a)

Student 1

b)

Student 2

c)

Student 3

d)

Student 4

85.
Scientific theories are based on
a)
general assumptions of how systems work.
b)
mathematical principles that can be proven true.
c)
large amounts of data collected over time.
d)
observations from within only one scientific discipline.
86.

Scientists create both scientific theories and scientific laws as they make observations and conduct experiments about the natural world. Which of the following statements most accurately compares the difference between scientific theories and scientific laws

a)

science laws are based on evidence while science theories are not

b)

science theories involve only biology, while laws involve all types of science

c)

science theories involve mathematical equations, while science laws are based on observations

d)

science theories are ideas that explain natural events, while science laws predict what will happen in a natural event.

87.

Which of the following are well supported descriptions about what happens in nature, without attempting to explain why it happens?

a)

Scientific law

b)

Scientific Theory

c)

Both a scientific law and theory

d)

Scientific Observations

88.

Tamar is talking about evolution with a friend. The friend says, “It’s just a theory, so I don’t believe it. When they prove it and it becomes the law of evolution, then maybe I’ll change my mind.” Which of these possible replies best describes scientific principles or the work of scientists?

a)

Scientific theories do not become scientific laws; they are explanations for natural phenomena based on evidence.

b)

Science always finds the right answer; the answers that scientists and researchers discover never change.

c)

He should be wary of science because it is based on research and evidence, not bias and opinion.

d)

Scientists take each other at their word regarding experimental results, and the public should, too

89.

Joe tells Gabby his theory about why sea turtles nest on the beach instead of in the ocean. He says, “The turtle eggs would sink to the bottom of the ocean, and the baby turtle would drown. I know this because my uncle is a fisherman, and he told me this information. Gabby tells Joe that his theory is not scientific. Why does Joe’s idea not meet the requirements to be a scientific theory?

a)

Joe’s idea is already a scientific law.

b)

Joe’s idea is not supported by scientific evidence.

c)

Joe’s idea is a good guess that can be tested by experiments.

d)

Joe and his uncle are not scientists.

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