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Unit 3 Review

Total questions: 86

Worksheet time: 2hrs 33mins

Name
Class
Date
1.

What is the function of the cell membrane?

a)

To control what comes in and out of the cell

b)

To break down food inside the cell

c)

to serve as a barrier

d)

to eat the cells food

2.

Which organelle produces the energy a cell needs to carry out its function

a)

Mitochondria

b)

Golgi Bodies

c)

Cytoplasm

d)

Nucleus

3.

What is the function of the Vacuoles

a)

Store food, water and waste

b)

Receive proteins

c)

Assembles amino acids

d)

Found inside the nucleus

4.

Which cell contains Chloroplasts?

a)

Animal

b)

Plant

5.

Which organelle contains genetic material?

a)

Endoplasmic Reticulum

b)

Golgi Complex

c)

Nucleolus

d)

Nucleus

6.
What organelle is called the "powerhouse" of a cell?

a)
Endoplasmic Reticulum
b)
Nucleus
c)
Mitochondria
d)
Nucleolus
7.
What is the function of the vacuole?
a)
Sac that stores water, nutrients, and waste products
b)
Sac filled with digestive chemicals
c)
Jelly-like substance within the plasma membrane
d)
stack of membranes that packages chemicals
8.
What is the function of nucleus?
a)
Structure that organizes motion of chromosomes. 
b)
Structure that contains DNA and directs the cell 
c)
Membrane that surrounds and protects the cell 
d)
Stack of membranes that packages chemicals
9.
Where does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
10.
I make proteins for the cell. What am I?
a)
ribosome
b)
mitochondria
c)
chloroplast
d)
lysosome
11.
What can only be found in plant cells?
a)
Cell membrane
b)
Vacuole
c)
Chloroplast
d)
Mitochondrion
12.
The two kinds of cells are Prokaryotes and Eukaryotes. How are they different?
a)
Prokaryotes have a nucleus.
b)
Eukaryotes have a nucleus.
c)
Prokaryotes are plant cells.
d)
There is no difference.
13.
Has membrane bound organelles
a)
Prokaryote
b)
Eukaryote
c)
both
14.
One example of a prokaryote is a...
a)
fungus
b)
bacteria
c)
animal
d)
plant
15.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
16.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
17.
Where is the DNA found in a prokaryotic cell? 
a)
floating around in the cytoplasm 
b)
in the nucleus 
c)
in the ribosomes
d)
attached to the cell membrane
18.
Bacteria are a type of...
a)
Prokaryote
b)
Eukaryote
c)
both
19.
Which has a chloroplast?
a)
Prokaryote
b)
Plant Cell
c)
Animal Cell
20.
Which invention from the 17th century allowed for the development of modern cell theory?
a)

x-rays

b)

computers

c)

the light microscope

d)

the scanning electron microscope

21.
A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?
a)

Plants have cells but animals do not.

b)

They are both made of one or more cells. 

c)

They both come from the same kind of cell.

d)

They both come from a non-living organism.

22.

When a scientist makes a quick guess about something, it is called a scientific theory.

a)

True

b)

False

23.

A scientific theory explains how or why things happen in nature.

a)

True

b)

False

24.
Cell theory states:
a)
All living cells must have a cell wall.
b)
 All living cells require glucose for survival.
c)
The basic unit of life is a cell.
d)
All cells contain a nucleus
25.

Which statement was NOT included in cell theory?

a)

All living things are composed of cells.

b)

Living cells come only from other living cells.

c)

Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

d)

Cells are the smallest structure of living things that can perform the functions necessary for life.

26.

Which instrument is credited for helping scientists develop cell theory?

a)
b)
c)
d)
27.

All cells -----

a)

come from other dead cells

b)

come from other living cells

c)

crystallize out of the air

28.
Describes the arrangement of the cell membrane as 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
29.

Which of the following is the function of the cell membrane? Select all that apply.

a)

Provides instructions to the cell and other organelles.

b)

Regulates compounds in and out fo the cell.

c)

Allows cells to communicate and interact with other cells.

d)

Breaks down wastes and other compounds.

e)

Protects the cell from its environment.

30.

Muscle cells have a lot of ​​ (a)   because they need a lot more ​ (b)   energy than other body cells.

Choose from the below words
mitochondria
ATP
nuclei
DNA
31.

What does "Selective Permeability" mean?

a)

It means the cell membraned select the cells they want to surround.

b)

It means that cells only allow certain things in and certain things out.

c)

It is an organization the selects permeable membranes.

d)

It is an idea that is either selected or rejected.

32.

Which of the following describes the phosphate head, at the top of a phospholipid?  Select ALL that apply. 

a)

hydrophilic

b)

hydrophobic

c)

charged

d)

not charged

e)

polar

33.

To survive, cells MUST

a)

convert nutrients to energy (ie ATP)

b)

maintain homeostasis

c)

respond to stimuli

d)

excrete toxins

e)

all of these

34.

In multicellular organisms, specialized cells that work together toward the same function are called

a)

organs

b)

organ systems

c)

tissues

d)

species

35.
In what way is the DNA of a nerve cell different from the DNA of a muscle cell?
a)
The DNA is the same but each cell contains different genes
b)
The DNA is the same but different genes are turned on and turned off in each cell
c)
The DNA is different, but the same genes are turned on and off in each cell
d)
The DNA is different, but each cell contains the same genes
36.
Which organisms are capable of surviving as a single cell?
a)
bacteria
b)
humans
c)
plants
d)
fish
37.
Which best explains why humans are multicellular organisms?
a)
Human cells are too small to function alone.
b)
Human cells join together to form one large cell.
c)
Humans need many cells to carry out life processes.
d)
Humans have many systems that perform the same function.
38.
Different types of tissue working together form a(n) __________
a)
Cell
b)
Tissue
c)
Organ
d)
Organ System
39.
Organs working together form a(n) ______
a)
Cell
b)
Tissue
c)
Organ
d)
Organ System
40.
Has membrane bound organelles
a)
Prokaryote
b)
Eukaryote
c)
both
41.

The two broad categories of cell transport are ...........

(select all correct answers)

a)

passive transport

b)

road transport

c)

food transport

d)

active transport

42.

In passive transport, .............

a)

energy is required

b)

energy is not required

43.

In active transport, .............

a)

energy is required

b)

energy is not required

44.

Which biomolecule makes up MOST of the cell membrane?

a)

proteins

b)

carbohydrates

c)

phospholipids

d)

nucleic acids

45.

Which biomolecule helps LARGE molecules cross the membrane?

a)

phospholipids

b)

carbohydrates

c)

nucleic acids

d)

proteins

46.

The cell membrane can separate the inside of the cell from the outside because of its phospholipids, which are

a)
hydrophilic on both sides
b)
hydrophobic on both sides
c)
hydrophilic on one side and hydrophobic on the other
47.

Passive transport ​ (a)   require energy because it moves ​ (b)   the concentration gradient, from ​ (c)   .

Choose from the below words
does NOT
does
with
against
high to low
low to high
48.

Active transport ​ (a)   require energy because it moves ​ (b)   the concentration gradient, from ​ (c)   .

Choose from the below words
does NOT
does
with
against
high to low
low to high
49.

Facilitated diffusion and protein pumps are similar because

a)
They both require energy to function
b)
They both move molecules from high to low concentration
c)

They both involve the movement of molecules through proteins

d)
They both can only move molecules in one direction
50.

What happens during osmosis?

a)
Transfer of energy from one place to another
b)

Movement of small molecules from high concentration to low concentration

c)

Movement of water molecules from an area of high water concentration to an area of low water concentration

d)
Process of breaking down food into simpler substances
51.

Which of the following images show transport that REQUIRES ENERGY? (more than one answer is correct!)

a)

b)

c)

d)

52.

Which of the following images show transport that DOES NOT require energy? (more than one answer is correct!)

a)

b)

c)

d)

53.

The main difference between passive and active transport is that one requires (a)   , while the other does not.

54.

What would happen to a cell placed in a hypertonic solution

a)

The cell would shrink

b)

The cell would expand and possibly burst

c)

The cell would remain the same

d)

The cell would dance and do the Nay Nay!

55.

What is the term for maintaining equilibrium within your body(cell) despite the external forces outside you body (cell)?

a)

Osmosis

b)

Diffusion

c)

Homeostasis

d)

Transport

56.
What is an isotonic solution?
a)
When solutions are in equilibrium 
b)
When the solution has more solute 
c)
When the solution has less solute 
d)
Has a greater pressure 
57.
An animal cell placed in a hypertonic (salty) solution will
a)
Shrink (get smaller)
b)
Swell (get bigger)
c)
Stay the same 
58.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
59.
A molecule that diffuses down a concentration gradient goes from an area of ______ concentration into an area of ______ concentration.
a)
high, low
b)
low, high
c)
passive, active
d)
active, passive
60.
In a solution, salt is considered the _______.
a)
solvent
b)
solute
c)
solution
d)
ion
61.
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.
62.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
63.

What gas does photosynthesis release?

a)

carbon dioxide

b)

glucose

c)

oxygen

d)

water

64.

What gas does cellular respiration release?

a)

carbon dioxide

b)

glucose

c)

oxygen

d)

water

65.

What organelle performs cellular respiration (breaking down glucose into usable energy, ATP)?

a)

Nucleus

b)

Endoplasmic Reticulum

c)

Chloroplast

d)

Mitochondria

66.

What organelle performs photosynthesis (converting light energy into chemical energy, or glucose)?

a)

Nucleus

b)

Endoplasmic Reticulum

c)

Chloroplast

d)

Mitochondria

67.

How are photosynthesis and cellular respiration related? (2 correct answers)

a)

The products of photosynthesis are the reactants of cellular respiration.

b)

The products of photosynthesis are the products of cellular respiration.

c)

The products of cellular respiration are the reactants of photosynthesis.

d)

The reactants of cellular respiration are the reactants of photosynthesis.

68.

What molecule stores the energy needed for all of our cellular functions?

a)

ATP

b)

Phosphorus

c)

Water

d)

DNA

69.

Photosynthesis happens in:

a)

All Eukaryotic Cells

b)

Plant Cells

c)

Animal Cells

d)

All Prokaryotic Cells

70.

The reactants of photosynthesis

a)

CO2

b)

CO2, H2O

c)

CO2, H2O, Sunlight

d)

none of the above

71.

The products of cellular respiration

a)

CO2

b)

CO2, H2O

c)

CO2, H2O, glucose

d)

CO2, H2O, ATP

72.

Occurs in animals

a)

photosynthesis only

b)

cellular respiration only

c)

cellular respiration and photosynthesis

d)

all of the above

73.

The reactants of cellular respiration

a)

CO2, H2O, sunlight

b)

O2, glucose

c)

CO2, glucose

d)

H2O, sunlight

74.

The products of photosynthesis

a)

CO2, H2O, sunlight

b)

CO2, H2O, ATP

c)

O2, Glucose

d)

CO2, Glucose

75.

What is one of the three products of cellular respiration?

a)

nitrogen

b)

oxygen

c)

glucose

d)

ATP

76.
Cellular respiration is...
a)
the process by which cells break down glucose into energy. 
b)
the process by which cells break light down into energy. 
c)
the process by which cells communicate with other cells. 
77.
Organisms that make energy from the sun are called..
a)
hetertrophs 
b)
autotrophs 
c)
carbohydrates 
d)
consumer 
78.
Process that converts light energy to chemical energy...
a)
photosynthesis 
b)
heterotroph
c)
autotroph
d)
hypothesis 
79.
How does a cell maintain homeostasis?
a)
Regulates what enters and leaves the cell
b)
Flexibility
c)
Protective barrier
d)
Structure and support
80.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
81.

A solution outside of a cell that contains a higher water concentration than the cytoplasm of a cell is called:

a)

solution

b)

hypertonic

c)

hypotonic

d)

isotonic

82.
In this picture, which way will the water move?
a)
Water will move into the cell
b)
Water will move out of the cell
c)
Water will move in and out of the cell
d)
Water will not move
83.
In this picture, how do you classify the solution?
a)
The solution is hypotonic
b)
The solution is hypertonic
c)
The solution is isotonic
d)
The solution is my tonic
84.

If the semipermeable membrane allows the green chemical to pass through it freely, where will the green chemical move?

a)

right to left

b)

left to right

c)

up and down

85.

The concentration of red molecules outside the cell is higher than the concentration inside the cell. The red molecules cannot penetrate the cell. The cell is inside a ______.

a)

hypotonic solution

b)

hypertonic solution

86.

The membrane does not allow the green molecules to pass through it. What will happen next?

a)

Water will flow into side A.

b)

Water will flow into side B.

c)

Water will stay still.

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