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Biology Exam

Total questions: 140

Worksheet time: 47mins

Name
Class
Date
1.

According to Fire/Heat Safety, which action violates the safety rules?

a)

Knowing where the fire extinguisher and fire blanket are located.

b)

Using tongs to handle hot objects.

c)

Reaching across a flame.

d)

Keeping a clean work area.

2.

If chemicals get on your skin or clothes, what should you do immediately according to Chemical Safety?

a)

Wipe the area with a dry cloth only.

b)

Wait to see if irritation develops.

c)

Continue working and tell the teacher later.

d)

Rinse with water right away and notify your teacher.

3.

According to Electrical Safety, what must you never do with an electrical appliance or outlet?

a)

Unplug it by gripping the plug

b)

Use it with dry hands

c)

Touch it with wet hands

d)

Keep cords untangled

4.

Theodore Schwann discovered that animal tissues are made of cells. Which part of the cell theory is based in part on this?

a)

all organisms are composed of one or more cells

b)

new cells come from preexisting cells

c)

cells produce proteins for the functioning of organisms

d)

all organisms are made up of cells

5.

Which level of organization is formed when similar cells specialized to perform a specific function come together?

a)

organism

b)

tissue

c)

system

d)

organ

6.

Which of the following is an example of homeostasis?

a)

maintaining an appropriate respiration rate

b)

being composed of more than one cell

c)

the sum of all of your chemical reactions

d)

adapting to your environment

7.

Cellular division directly relates to which of the following?

a)

growth and development

b)

evolution

c)

organization

d)

metabolism

8.

Which of the following is a true statement?

a)

All living organisms contain a nucleus.

b)

All living organisms have a cell wall.

c)

All living organisms are multicellular.

d)

Cells are the basic unit of structure and function.

9.

The sum of all the chemical reactions in your body?

a)

evolution

b)

homeostasis

c)

organization

d)

metabolism

10.

Which of the following is NOT an example of an adaptation?

a)

birds migrating during the winter months

b)

the total sum of all the chemical reactions in your body

c)

humans evolving the ability to digest lactose (sugar in milk)

d)

the ability of dolphins to communicate in aquatic environments

11.

A plant growing towards a light source is an example of which of the following?

a)

destroying infectious germs

b)

attracting a mate

c)

obtaining moisture from the air

d)

responding to a stimuli

12.

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.

a)

All living things grow

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things use energy

13.

YOU are a multi-celled organism but an amoeba is a single celled organism.

a)

All living things have cells

b)

All living things grow

c)

All living things respond to their environment

d)

All living things use energy

14.

The scientific name for something living is a(an)

a)

cell

b)

human

c)

organism

d)

tissue

15.

Over three years, Tim's height has increased from 5'4" to 5'11". Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

16.

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

a)

Organ system, organ, tissue, cell, organism

b)

Organism, cell, tissue, organ, organ system

c)

Cell, organ, tissue, organ, organism, organ system

d)

Cell, tissue, organ, organ system, organism

17.

Green plants produce their own food through the process of photosynthesis. Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things grow

c)

All living things maintain homeostasis

d)

All living things contain cells

18.

A baby song bird hatches from its egg with both parent songbirds watching. Which characteristic of life does this represent?

a)

All living things grow

b)

All living things maintain homeostasis

c)

All living things reproduce

d)

All living things use energy

19.

A camel has eyelashes that work to keep the dust and sand out of its eyes. Which characteristic of life does this represent?

a)

All living things have cells

b)

All living things adapt to their environment

c)

All living things grow

d)

All living things use energy

20.

Living things are based on a universal genetic code. What molecule is responsible for that code?

a)

RNA

b)

Protein

c)

DNA

d)

Lipid

21.

Any living things ...

a)

moves.

b)

meets 7 of the characteristics of life.

c)

contain DNA.

d)

is an abiotic factor.

22.

After eating, the pancreas releases a hormone called insulin to help the cells take in the sugar from the food to keep the blood stream at the appropriate sugar level. This is an example of ...

a)

all living things maintaining homeostasis.

b)

all living things reproducing.

c)

all living things evolving.

d)

all living things containing DNA.

23.

Used to measure specific volume of liquid

a)

erlenmyer flask

b)

graduated cylinder

c)

test tube

d)

beaker

24.

Used to transfer small amount of liquid

a)

scoopula

b)

test tube

c)

pipette

d)

graduated cylinder

25.
What is adhesion?
a)
Water's ability to stick to itself
b)
Water's ability to stick to other substances
c)
The strength of the cohesion of all the water molecules combined
d)
Tape, glue and other adhesives
26.
What is cohesion?
a)
Water's ability to stick to itself
b)
Water's ability to stick to other substances
c)
The strength of the cohesion of all the water molecules combined
d)
Tape, glue and other adhesives
27.
What are abiotic factors?
a)
All of the living things in an ecosystem
b)
All of the non living things in an ecosystem
c)
All of the living and nonliving things combined
d)
A piece of a living thing
28.
What are biotic factors?
a)
All of the living things in an ecosystem
b)
All of the non living things in an ecosystem
c)
All of the living and nonliving things combined
d)
A piece of a living thing
29.
Large bodies of water do not quickly fluctuate in temperature. Why?
a)
Water is a solvent.
b)
Water has a high heat capacity.
c)
Water acts as a buffer.
d)
Water is non-polar.
30.
Water striders can walk across the surface of calm water. Their feet push the surface of the water down slightly, but they do not break the surface. Why?
a)
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
b)
The insects actually use their wings to hover slightly above the water’s surface and they only skim it with their feet.
c)
The insect’s feet are non-polar, so they are repelled by the polar water molecules and are pushed away from the water’s surface.
d)
The insects are small enough to see the individual water molecules, so they are able to step carefully from one molecule to the next
31.
Attractions between water molecules are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
32.
What property of water helps to moderate earth's temperature?
a)
adhesion
b)
chohesion
c)
Specific heat capacity
d)
Latent heat of vaporization
33.
Why does ice float?
a)
As water freezes, it expands and its density decreases.
b)
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
c)
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
d)
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
34.
Water is polar because...
a)
The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.
b)
The molecule has two poles, at which the it is colder than other regions of the molecule.
c)
The unequal sharing of electrons gives the water molecule a slight negative charge near its hydrogen atoms and a slight positive charge near its oxygen atom.
d)
The water molecule is neutral.
35.

The bond that holds the Oxygen and Hydrogen atoms together in a water molecule is a ________ bond.

a)

ionic

b)

Hydrogen

c)

Covalent

d)

Weak

36.

What macromolecule is made up of C,H,O,N?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

37.

Which of the macromolecules are structured in this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

38.

Which macromolecule is structured in this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

39.

Which macromolecule is structured this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

40.

Which macromolecule has this structure?

a)

Carbohydrate

b)

Lipids

c)

Proteins

d)

Nucleic acids

41.

Which one of our macromolecules would you consume in order to receive long-term energy?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

42.

What is the function of Carbohydrates?

a)

Long-term energy

b)

Muscle development

c)

Short-term energy

d)

enzyme activity

43.
The following Function belongs to which Macromolecule? " Forms muscles, skin, & organs and enzymes"  
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acid
44.
Which macromolecule is composed of Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
45.
The following examples Fats, Oils, Phospholipids, and Waxes belong to which macromolecule? 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acid
46.
The monomer Modnosaccarides belongs to which macromolecule? 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
47.
The monomer of a fatty acid + glycerol belongs to which macromolecule? 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acid
48.
The monomer amino acid belongs to which macromolecule? 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acid
49.

Amylase helps to speed up the breakdown of carbohydrates. Amylase would be an example of which group of important biological molecules?

a)

lipids

b)

enzymes

c)

carbohydrates

d)

hormones

50.

Amylase is an enzyme found in saliva that helps break down starch in your mouth. In this chemical reaction, starch would be an example of a(n)

a)

substrate

b)

enzyme

c)

active site

d)

product

51.

Lipase is produced by the pancreas to help digest fat. Lipase breaks down the fats into fatty acids.

What role does the lipase play in this reaction?

a)

substrate

b)

enzyme

c)

substrate-enzyme complex

d)

product

52.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
53.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
54.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

55.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
56.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
57.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
58.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
59.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
60.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
61.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die.

b)

The shape of the enzyme are changed and it denatures

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

62.

When looking at the enzyme substrate model, the substrate turns into what at the end of the chemical reaction?

a)

Nothing

b)

It does not change

c)

Products

d)

Pieces

63.

What is the monomer for protein?

a)

Polymer

b)

Nucleic Acids

c)

Amino Acids

d)

Fatty Acids

64.
Proteins are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
65.
Which of the following statements is not part of the cell theory?
a)
Cells are the basic unit of structure and function in all living things.
b)
All cells are produced from other cells.
c)
Only animal cells are composed of cells.
d)
All living things are composed of cells.
66.
What structures distinguish a plant cell from an animal cell?
a)
Plant cells have cell walls and ribosomes.
b)
Plant cells have cell walls and chloroplasts.
c)
Plant cells have chloroplasts and ribosomes.
d)
Plant cells have chloroplasts and mitochondria.
67.
Which organism is made up of cells that have both a cell membrane and a cell wall?
a)
desert mouse
b)
human 
c)
maple tree
d)
zebra
68.
The ___ is the basic unit of sturucture and function of organisms
a)
atom
b)
cell
c)
matter
d)
all other answers are correct
69.
Who looked at cork and named the cell?
a)
Robert Hooke
b)
Van Leeuwenhoek
c)
Robert Brown
d)
Francesco Redi
70.
Which organelle is the protein factory? 
a)
Ribosomes
b)

Mitochondria

c)
Centriole
d)
Lysosomes
71.
Microscopic single-cells that do not have a nucleus or other membrane-bound organelles. 
a)
DNA
b)
RNA
c)
Eukaryotes
d)
Prokaryotes
72.
Genetic information is stored in the nucleus of all single or multicellular cells called
a)
Eukaryotes
b)
Prokaryotes
c)
Organelles
d)
Cytoplasm
73.
Stores food and water for the cell.
a)
Cytoplasm
b)
Cell Wall
c)
Vacuole
d)
Nucleus
74.
what is the control center in a cell
a)
mitochondria
b)
DNA
c)
nucleus
d)
movement
75.
This organelle helps plants keep their rigid structure. 
a)
Cell wall
b)
Cell membrane
c)
Chloroplast
d)
Nucleus
76.
This organelle helps plants keep their rigid structure. 
a)
Cell wall
b)
Cell membrane
c)
Chloroplast
d)
Nucleus
77.
This is a double layer of phospholipids that creates a barrier between the cells internal and external environments; it controls what comes in or out of the cell (selective permeable)
a)
Nucleus
b)
Cilia
c)
Cell membrane
d)
Flagella
78.
Chloroplasts carry out...
a)
Phagocytocis
b)
Phylocytosis
c)
Photosynthesis
d)
Respiration
79.
What structures are common to all cells?
a)
cell wall, nucleus, tail, cytoplasm
b)
cytoplasm, DNA, cell wall, nucleus
c)
cell membrane, DNA, cytoplasm, ribosomes
d)
ribosomes, cell walls, DNA, cytoplasm
80.
Bacteria are what type of organisms? 
a)
Prokaryotes
b)
Eukaryotes
81.
Packages proteins into vesicles and ships them out.
a)
Endoplasmic Reticulum
b)
Ribosomes
c)
Golgi Apparatus
d)
Nucleus
82.
Breaks down food  to release energy. Known as the power plant of the cell.
a)
Endoplasmic Reticulum
b)
Mitochondria
c)
Ribosomes
d)
Cell Wall
83.
These are found in animal cells. They play a major part in cell division.
a)
Centrioles
b)
Lysosomes
c)
Vacuoles
d)
Smooth Endoplasmic Reticulum
84.
Which organelle is filled with enzymes that aid in intra-cellular digestions, breaking down waste and old organelles?
a)
Mitochondria
b)
Golgi Body
c)
Lysosomes
d)
Ribosomes
85.

Which organelle is selectively permeable? 

a)

Cell wall

b)

Cell Membrane

c)

nucleus

d)

Cytoplasm

86.

What organelle is used for helping animal cells maintain shape and organization?

a)

Cell membrane

b)

Nucleus

c)

Cytoskeleton

d)

Cell Wall

87.

Which of the following contains unrelated items?

a)

ribosomes- protein

b)

cell wall-animal cell

c)

mitochondria-energy

d)

eukaryotes-have nucleus

88.

Which organelle stores DNA & is the brain of the cell?

a)

Nucleus

b)

Cell Membrane

c)

Cell wall

d)

Ribsome

89.

What is the jelly-like fluid that surrounds all of the organelles and holds them in place?

a)

Cytoplasm

b)

Centrioles

c)

Mitochondria

d)

ER

90.

What is the function of a lysosome?

a)

To get rid of wastes

b)

To store genetic material

c)

To give energy to the cell

d)

To control what enters and leaves the cell

91.

The organelles within a plant cell that contain green pigment are called

a)

Centriole

b)

Chloroplast

c)

Mitochondria

d)

Lysosome

92.

Unlike the cell membrane, the cell wall is

a)

found in all organisms

b)

composed of lipid bilayer

c)

selectively permeable

d)

a rigid structure

93.

What does the rough ER have that the smooth ER does not?

a)

Ribosomes

b)

Lysosomes

c)

Chloroplasts

d)

Mitochondria

94.

The cell membrane is selectively permeable, which means

a)

All materials can enter and leave the cell.

b)

The cell manually sorts through all materials.

c)

Certain things can enter the cell while others cannot.

d)

Only certain cells can interact with the cell.

95.

Which type of cellular transport moves from low concentrations to high?

a)

Active Transport

b)

Osmosis

c)

Passive Transport

d)

Facilitated Diffusion

96.

Cell transport in which waste or hormones are released through the cell membrane using energy.

a)

Endocytosis

b)

Sodium Potassium Pump

c)

Passive Transport

d)

Exocytosis

97.

Large molecules such as glucose move across the cell membrane through protein channels, without the use of energy, during

a)

active transport

b)

osmosis

c)

facilitated diffusion

d)

bulk transport

98.

Diffusion of water across a cell membrane.

a)

Osmosis

b)

Active Transport

c)

Protein Channel

d)

Pinocytosis

99.

Engulfing a large substance and moving it inside the cell using energy

a)

endocytosis

b)

photosynthesis

c)

exocytosis

d)

diffusion

100.

The movement of molecules from an area of high concentration to low concentration without using energy

a)

Facilitated Diffusion

b)

Active Transport

c)

Exocytosis

d)

Passive Transport

101.

The state of maintaining a relatively stable internal balance

a)

homeostasis

b)

hypertonic

c)

hypotonic

d)

semipermeable

102.

Which of the following primarily makes up the cell membrane?

a)

carbohydrates

b)

nucleic acids

c)

proteins

d)

phospholipids

103.

Which of the following BEST illustrates equilibrium?

a)
b)
c)
d)
104.

During diffusion, how do molecules move?

a)

from an area of higher concentration to an area of lower concentration

b)

from an area of lower concentration to an area of higher concentration

c)

across a cell membrane with the use of cellular energy

d)

against a concentration gradient

105.

Match the diagram above with the correct description of what will happen to the cell.

a)

water will move out of the cell, and the cell will shrink.

b)

water will move into the cell, and the cell will swell.

c)

the cell will remain the same size because there will be no net movement of water.

106.

Match the diagram above with the correct description of what will happen to the cell.

a)

water will move out of the cell, and the cell will shrink.

b)

water will move into the cell, and the cell will swell.

c)

the cell will remain the same size because there will be no net movement of water.

107.

Match the diagram above with the correct description of what will happen to the cell.

a)

water will move out of the cell, and the cell will shrink.

b)

water will move into the cell, and the cell will swell.

c)

the cell will remain the same size because there will be no net movement of water.

108.

Why is osmosis a type of passive transport?

a)

it moves materials across a cell membrane.

b)

it continues until equilibrium is reached.

c)

it does not require any of the cell's energy.

d)

it does not need activation by an enzyme.

109.

Osmosis always involves the movement of what?

a)

oxygen molecules

b)

carbon dioxide molecules

c)

water molecules

d)

sugar molecules

110.

What happens to a cell that is placed in an isotonic solution?

a)

more water passes out of the cell than into the cell through the cell membrane.

b)

more water passes into the cell than out of the cell through the cell membrane

c)

solute molecules pass out of the cell through the cell membrane.

d)

there is no net movement of water across the cell membrane.

111.

What happens to a cell that is placed in an hypertonic solution?

a)

more water passes out of the cell than into the cell through the cell membrane.

b)

more water passes into the cell than out of the cell through the cell membrane

c)

solute molecules pass out of the cell through the cell membrane.

d)

there is no net movement of water across the cell membrane.

112.

Billy Bob's grandmother is making pickles. She puts slices of fresh cucumber into a solution of sugar, salt, and vinegar. The cucumber slices get smaller. What type of solution is the sugar, salt, and vinegar?

a)

isotonic

b)

hyoptonic

c)

hypertonic

d)

lipotonic

113.

The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of?

a)

Carbohydrates

b)

Lipids

c)

Bilipids

d)

Proteins

114.

Which type of transport does NOT require energy?

a)

osmosis

b)

passive transport

c)

diffusion

d)

All are correct

115.

Cell cycle "checkpoints" help to

a)

increase the rate of cell division

b)

prevent cell division unless the cell is ready

c)

decrease cell enzyme activity

116.

Programmed cell death, which can help an organism by killing potential cancer cells, is known as

a)

osmosis

b)

differentiation

c)

diffusion

d)

apoptosis

117.

Cells that are undifferentiated have no specific job, but can potentially become many different types of cells. An example of an undifferentiated cell is a(n)

a)

stem cell

b)

neuron

c)

skin cell

d)

muscle cell

118.

The process by which an unspecialized stem cell becomes a specialized cell is called

a)

diffusion

b)

differentiation

c)

mitosis

d)

cell cycle regulation

119.

Proteins that bind to cells and stimulate cell division are called

a)

enzymes.

b)

kinases

c)

growth factors.

d)

carcinogens.

120.

Which phrase best describes cancer?

a)

absence of cyclins

b)

multiple gene mutations

c)

uncontrolled cell growth

d)

presence of genetic defects

121.

Substances known to produce or promote cancer are called

a)

carcinogens.

b)

kinases

c)

cyclins.

d)

malignancies.

122.

Extra Credit: How is a benign tumor different from a malignant tumor?

a)

Malignant tumors do not spread; cells in a benign tumor break away and spread to other parts of the body

b)

Benign tumors perform the specialized functions needed by the body; malignant tumors do not.

c)

Malignant tumors exert pressure on surrounding tissues; benign tumors do not.

d)

Benign tumors do not spread; cells in a malignant tumor break away and spread to other parts of the body.

123.

What happens in the G0 phase of the cell cycle?

a)

Cells replicate their DNA

b)

Cells go through mitosis

c)

Cells stop diving and are "resting"

124.

Which type of cell would be most likely to re-enter the cell cycle from G0?

a)

Muscle

b)

Skin

c)

Liver

125.

The cell cycle uses the M checkpoint to

a)

Check for errors in DNA

b)

Make sure there is enough raw material to use

c)

Make sure the spindle fibers are attached to the chromosomes

d)

There is enough room in the environment for more cells

126.

Which phase of the cell cycle is primarily responsible for DNA replication?

a)

G1 phase

b)

S phase

c)

G2 phase

d)

M phase

127.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
128.
What phase is this cell in?
a)
Cytokinesis
b)
Mitosis
c)
Prophase
d)
Metaphase
129.
What phase is this cell in?
a)
Mitosis
b)
Interphase
c)
Anaphase
d)
Telophase
130.
What phase is this cell in?
a)
Mitosis
b)
Cytokinesis
c)
Prophase
d)
Telophase
131.
What phase is this cell in?
a)
Mitosis
b)
Interphase
c)
Prophase
d)
Telophase
132.
What part of the cell cycle is this cell in?
a)
Mitosis
b)
Interphase
c)
Telophase
d)
Cytokinesis
133.

Spinal cord injuries are difficult to treat because damaged nerce cells do not regenerate. Which of the following most accurately explains why damaged nerve cells no longer regenerate?

a)

Mature nerve cells are in a resting state; the no longer divide during mitosis

b)

Nerve damage disrupts the cell cycle at the G1 phase

c)

Nerve damage disrupts the cell cycle at the S phase

d)

Nerve damage prevents centrioles from being synthesized

134.
Where does a cell contain it's genetic material?
a)
nucleus
b)
nucleolus
c)
cytoskeleton
d)
golgi
135.
Structure A refers to the _____.
a)
chromatid
b)
chromosome
c)
centromere
136.

The cell membrane pinches in, cutting the cytoplasm into 2 daughter cells

a)

Metaphase

b)

Anaphase

c)

Telephase

d)

Cytokinesis

137.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
138.
When cells divide they make two ____ cells.
a)
daughter
b)
son
c)
Mom
d)
Dad
139.
Structure (c) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
140.
Structure (b) is a ____.
a)
chromosome
b)
chromatid
c)
centromere

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