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Biology First Semester Exam Review

Total questions: 130

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
Compounds that contain no carbon are called
a)
polar
b)
non-polar
c)
organic
d)
inorganic
2.
These atoms are "greedy for electrons" and help make a compound polar.
a)
Hydrogen
b)
Oxygen
c)
Nitrogen
d)
Carbon
3.
Glucose
a)
monosaccharide
b)
disaccharide
c)
polysaccharide
4.
Sucrose
a)
monosaccharide
b)
disaccharide
c)
polysaccharide
5.
Amylose
a)
monosaccharide
b)
disaccharide
c)
polysaccharide
6.
This three letter ending is found on nearly all carbohydrates.
a)
ATE
b)
ASE
c)
OSE
d)
GAR
7.
This three letter ending is found on all enzymes.
a)
ATE
b)
ASE
c)
OSE
d)
GAR
8.
This compound is created during a dehydration synthesis reaction.
a)
Oxygen
b)
Sugar
c)
Water
d)
Monomer
9.
The chemical formula of all disaccharides is
a)
C6H12O11
b)
C12H24O12
c)
C12H22O11
d)
C6H12O6
10.
Which of the following is an abiotic factor of an ecosystem
a)
annual precipitation
b)
predator/prey relationships
c)
the date of the first thaw of the season
d)
the amount of bacteria in the soil
11.
An organism's role in life is called
a)
competition
b)
biodiversity
c)
habitat
d)
niche
12.

Which of the following is a biotic factor that would have an impact on an aquatic ecosystem?

a)

the amount of precipitation there is

b)

the amount of sunlight that penetrates the water

c)

the amount of bacteria in the water

d)

whether the water is flowing or still

13.
Which abiotic factor is most often used to differentiate two terrestrial biomes?
a)
the kind of rocks in the soil
b)
if they are marine or freshwater
c)
the average temperature of the biomes
d)
what the top predators are
14.
The tundra has very short plants.  Which of the following best explains this?
a)
there is too much rain to support big trees
b)
it is very far from the ocean
c)
there aren't enough flowers to support insects
d)
there is not enough thawed soil to support bigger trees
15.
A hawk would be considered
a)
a producer
b)
a primary consumer
c)
an autotroph
d)
a carnivore
16.

Why do food chains typically have only three or four trophic levels?

a)

Energy increases by 90% in each higher trophic level.

b)

Only 10% of available energy is transferred to the next higher trophic level.

c)

Species become extinct.

d)

there are the same number of producers as there are tertiary consumers

17.
In going from one trophic level to the next above it on an energy pyramid, which of the following is true?
a)
the amount of usable energy remains constant
b)
the amount of usable energy increases
c)
the amount of usable energy decreases
d)
the number of organisms increases
18.
A producer that makes its own food using sunlight energy is a(n)
a)
heterotroph
b)
primary consumer
c)
herbivore
d)
autotroph
19.
A consumer that eats producers and other consumers is called a(n)
a)
autotroph
b)
herbivore
c)
omnivore
d)
carnivore
20.
Organisms that produce soil by breaking down dead material are specifically called
a)
scavengers
b)
decomposers
c)
heterotrophs
d)
consumers
21.
Which part of the carbon cycle involves moving carbon from an abiotic part of the ecosystem to a biotic part of the ecosystem (plant)?
a)
decomposition
b)
predation
c)
photosynthesis
d)
transpiration
22.
Plants move water vapor to the air through the process of
a)
sublimation
b)
infiltration
c)
photosynthesis
d)
transpiration
23.

In the carbon cycle, in what form are carbon atoms generally returned to the atmosphere?

a)

carbon dioxide

b)

simple sugars

c)

methane

d)

carbon monoxide

24.
Photosynthesis and cellular respiration have the biggest impact on which cycle?
a)
water
b)
nitrogen
c)
phosphorus
d)
carbon
25.
The study of the interactions among organisms and their environments is called
a)
Ecology
b)
Biology
c)
Ecosystemology
d)
Climatology
26.
Natality refers to
a)
moving in
b)
moving out
c)
births
d)
deaths
27.
Mortality refers to
a)
moving in
b)
moving out
c)
births
d)
deaths
28.
Immigration refers to
a)
moving in
b)
moving out
c)
births
d)
deaths
29.
Emmigration refers to
a)
moving in
b)
moving out
c)
births
d)
deaths
30.

In _______________ succession, _______________ are the first to arrive.

a)

primary, pioneer species

b)

secondary, climax communities

c)

secondary, pioneer species

d)

primary, climax communities

31.
On a climatograph, the bars represent
a)
the month.
b)
the biome.
c)
the monthly precipitation.
d)
the average monthly temperature.
32.
On a climatograph, the line graph represents
a)
the month.
b)
the biome.
c)
the monthly precipitation.
d)
the average monthly temperature.
33.
Which of the following is NOT associated with a logistic growth curve?
a)
j-shape
b)
s-shape
c)
limiting factors
d)
carrying capacity
34.
A symbiotic relationship in which both organisms benefit.
a)
commensalism
b)
mutualism
c)
predation
d)
parasitism
35.
A symbiotic relationship in which one organism benefits and the other is not impacted.
a)
commensalism
b)
mutualism
c)
predation
d)
parasitism
36.
A symbiotic relationship in which one organism benefits and the other is harmed.
a)
commensalism
b)
mutualism
c)
predation
d)
parasitism
37.
A symbiotic relationship in which one organism benefits and the other is killed for food.
a)
commensalism
b)
mutualism
c)
predation
d)
parasitism
38.
As primary succession continues over time, the amount of usable soil
a)
decreases.
b)
increases
c)
remains constant.
d)
there is never usable soil.
39.

Within a food web, the arrows always point from ________.

a)

predators to prey.

b)

consumers to food.

c)

the sun to animals.

d)

prey to predators.

40.

The greatest number of organisms within a population that a habitat supports is called the

a)

limiting factor.

b)

carrying capacity

c)

death rate.

d)

logistic population.

41.

Which of the following statements is correct?

a)

Population size of predators increases when their prey is scarce.

b)

Competition for resources increases when food is plentiful.

c)

Population size of prey increases when their predators are scarce.

d)

Organisms never compete for water.

42.

What is the broadest or most general category?

a)

community

b)

population

c)

ecosystem

d)

individual

43.

What type of succession is most likely to happen following a forest fire?

a)

primary.

b)

secondary.

c)

pioneer species.

d)

tertiary.

44.

Some farmers use manure or fertilizer on their crops. How does this help the plants?

a)

It protects them from intense sunlight.

b)

It keeps insects from eating the crops.

c)

It increases soil Nitrogen and Phosphorus levels.

d)

It increases soil Oxygen and Carbon Dioxide levels.

45.

Ecology is the study of the interactions between

a)

niches.

b)

living and non-living things.

c)

non-living things.

d)

living things.

46.

A theory

a)

becomes a law if we have enough evidence.

b)

is an explanation of a natural phenomenon.

c)

is the opening statement of an experiment.

d)

is a problem to be solved.

47.

Some mammals sweat and shiver in order to maintain a constant body temperature known as

a)

energy

b)

organization

c)

homeostasis

d)

locomotion

48.

An organism is affected by interaction with which of the following?

a)

other organisms of the same species.

b)

the natural environment.

c)

other organisms of different species.

d)

All of these can affect an organism.

49.
What kind of limiting factor is disease?
a)
density-independent
b)
density-dependent
50.
What kind of limiting factor is weather?
a)
density-independent
b)
density-dependent
51.
What kind of limiting factor is a flood?
a)
density-independent
b)
density-dependent
52.
What kind of limiting factor is predation?
a)
density-independent
b)
density-dependent
53.
Birth rate is also called:
a)
mortality
b)
emigration
c)
natality
d)
immigration
54.
This factor causes a population to decrease due to members moving out.
a)
mortality
b)
emigration
c)
natality
d)
immigration
55.
Logistic population growth leads to this kind of graph
a)
S curve
b)
J curve
c)
M curve
d)
W curve
56.
Exponential population growth leads to this kind of graph
a)
S curve
b)
J curve
c)
M curve
d)
W curve
57.
What is the apporximate carrying capacity of this population?
a)
100
b)
200
c)
300
d)
400
58.
If mortality is high and natality is low, the population will likely
a)
stay the same.
b)
increase exponentially.
c)
decrease.
d)
increase logistically.
59.
In a predator - prey growth curve, we typically see that the lines for each species
a)
are identical to each other.
b)
both follow s curves.
c)
both follow j curves.
d)
vacillate depending on the availability of resources.
60.
The symbiotic relationship between the bunny and the grass in which the bunny eats the grass.
a)
parasitism
b)
predation
c)
commensalism
d)
mutualism
61.

Quantative observation.

a)

The temperate in degrees Celsius.

b)

The color of the sky.

c)

The flavor of the gummy bear.

d)

Whether the object sinks or floats in water.

62.

Qualitative observation.

a)

The color of the gummy bear.

b)

The volume of the gummy bear.

c)

The temperature of the water.

d)

The mass of the gummy bear.

63.

An observation.

a)

You propose that a cold front is approaching.

b)

You hypothesize that the temperature will increase tomorrow.

c)

You conclude that the season is changing.

d)

You record the average temperature for a week.

64.

A Biologist is studying the effect of a certain fertilizer on tomato plants height and discovers that this fertilizer changes the color of the tomatoes growing on the plant. What should the Biologist do?

a)

Keep the information to herself.

b)

Ignore the new information.

c)

Evaluate the new information.

d)

Argue against the new information.

65.

What component of an experiment serves as a baseline for comparison?

a)

Control.

b)

Hypothesis.

c)

Experimental.

d)

Constants.

66.

Why is it so important for us to study other living organisms?

a)

By learning about other living things, we often learn more about ourselves and become educated in important current issues.

b)

To know which species are important to save from extinction.

c)

So we can measure things.

d)

Because it is always interesting.

67.

On a line graph, the x-axis should represent

a)

The Independent Variable.

b)

The Dependent Variable.

c)

The variable with smaller amounts.

d)

The variable with larger amounts.

68.

The smallest unit of life.

a)

atom

b)

molecule

c)

cellular organelle

d)

cell

69.

Which of the following is NOT part of the Cell Theory?

a)

All organisms are made of cells.

b)

All cells come from other cells.

c)

Cells are the basic unit of life.

d)

All cells have a nucleus.

70.

A cell with a nucleus.

a)

red blood cell

b)

prokaryotic

c)

eukaryotic

d)

bacteria

71.

Have a cell wall.

a)

plant cells

b)

muscle cells

c)

cheek cells

d)

animal cells

72.

Have a plasma membrane.

a)

only animal cells

b)

only plant cells

c)

neither plant nor animal cells

d)

both plant and animal cells

73.

Cytosol is

a)

all the goo inside a cell.

b)

all the chunks inside a cell.

c)

not found in biotic cells.

d)

all the goo and chunks inside a cell.

74.

Where energy (ATP) is made in the cell.

a)

mitochondria

b)

vacuole

c)

chloroplast

d)

lysosome

75.

Storage area in the cell.

a)

mitochondria

b)

vacuole

c)

chloroplast

d)

lysosome

76.

Site of photosynthesis.

a)

mitochondria

b)

vacuole

c)

chloroplast

d)

lysosome

77.

When placed in a hypertonic solution, the water in a cell will

a)

move out.

b)

move in.

c)

move in and out at even rates.

d)

not move.

78.

When placed in a hypotonic solution, the water in a cell will

a)

move out.

b)

move in.

c)

move in and out at even rates.

d)

not move.

79.

When placed in an isotonic solution, the water in a cell will

a)

move out.

b)

move in.

c)

move in and out at even rates.

d)

not move.

80.

Active transport

a)

moves materials from areas of high concentration to areas of lower concentration.

b)

moves materials from areas of low concentration to areas of higher concentration.

c)

includes diffusion.

d)

is "free" transport.

81.

Which of the following is NOT true regarding diffusion?

a)

It moves materials from areas of high concentration to areas of lower concentration.

b)

It moves materials from areas of low concentration to areas of higher concentration.

c)

Is also known as the "fart law".

d)

Is "free" transport.

82.

When using a microscope correctly, you should NEVER use this when focusing on the highest power.

a)

diaphragm

b)

fine adjustment

c)

coarse adjustment

83.

This structure should be used to adjust the amount of light coming through the specimen on the microscope.

a)

fine adjustment

b)

coarse adjustment

c)

diaphragm

d)

objective lens

84.

When removing a slide from stage, always

a)

move the coarse adjustment first.

b)

move the fine adjustment first.

c)

rotate to the lowest objective first.

85.

When using a microscope, a student slowly pushes the slide to the right. The view will

a)

move to the right.

b)

move to the left.

c)

move away from the student.

d)

move towards the student.

86.

Where proteins are made.

a)

ribosomes

b)

smooth er

c)

vesicles

d)

golgi bodies

87.

Where fats are made.

a)

ribosomes

b)

smooth er

c)

vesicles

d)

golgi bodies

88.

Prepare newly made materilas for movement outside the cell.

a)

ribosomes

b)

smooth er

c)

vesicles

d)

golgi bodies

89.

Site of cellular digestion.

a)

mitochondria

b)

vacuole

c)

chloroplast

d)

lysosome

90.

The liquid of a solution.

a)

solute

b)

solvent

91.

The substance being dissolved in a solution.

a)

solute

b)

solvent

92.
Barnacles create home sites by attaching themselves to whales. Since the barnacle is a filter feeder, it also gets access to more water (and food) due to the relationship. The whale is unaffected.
This is an example of which type of symbiosis?
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
IDK
93.
Wrasse fish feed on the parasites found on the black sea bass's body (usually in the mouth). This is like dental floss for the fish and both species benefit.
This is an example of which type of symbiosis?
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
IDK
94.
Mistletoe extracts water and nutrients from the spruce tree to the detriment (ill effect) of the spruce.
This is an example of which type of symbiosis?
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
IDK
95.
A flea feeds on the blood of a rat. This harms the rat.
This is an example of which type of symbiosis?
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
IDK
96.
Epiphytes are a class of plants that grow in the crooks of tree branches. They simply use the tree branches as a way to be higher - closer to the sunlight needed for photosynthesis. The trees aren't affected by this relationship.
This is an example of which type of symbiosis?
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
IDK
97.

Not a characteristic of all biotic things.

a)

Reproduction

b)

The ability to move

c)

Respond to changes

d)

Have inherited adaptations

98.

Biotic

a)

Mrs. Coert's dog, "Cletus"

b)

a metal key

c)

the white board

d)

a virus

99.

Plants are autotrophs and get their energy from the ________ through ___________________.

a)

sun, photosynthesis

b)

chemicals, chemiosynthesis

c)

eating, predation

d)

water, absorption

100.

There are eight characteristics of life and all living things must exhibit

a)

all eight of these characteristics.

b)

at least half of these characteristics.

c)

only using oxygen, requiring energy, growing and moving.

d)

at least one of these characteristics.

101.
Identify the polarity of the molecule.
a)
Non-polar and hydrophobic
b)
polar and hydrophobic
c)
polar and hydrophilic
d)
non-polar and hydrophilic
102.
Which biomolecule is the first source of energy?
a)
Lipid
b)
Protein
c)
Carbohydrate
d)
Nucleic Acid
103.
What is the building block for a protein?
a)
Monosaccharide
b)
Triglyceride
c)
Amino Acid
d)
Nucleotide
104.
The type of reaction that uses water to split molecules.
a)
hydrophobic
b)
hydrolysis
c)
dehydration synthesis
d)
disaccharide
105.

Which of the following is an example of a nucleic acid?

a)

Glucose

b)

Phospholipid

c)

Enzymes

d)

Deoxyribonucleic Acid

106.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
107.
Nucleotides are monomers for
a)
Nucleic Acids
b)
Proteins
c)
Carbohydrates
d)
Lipids
108.
The three subatomic particles that make up atoms are
a)
ions, protons, and electrons
b)
electrons, atoms and neutrons
c)
ions, neutrons and atoms
d)
protons, electrons and neutrons
109.
The type of fatty acid that is solid at room temperature.
a)
Polyunsaturated
b)
Unsaturated
c)
Saturated
110.
When a protein changes from it's 
"natural" shape.
a)
globular
b)
alpha helix
c)
denature
d)
cooking
111.
The enzyme in the liver lab.
a)
Water
b)
Liver
c)
Hydrogen Peroxide
d)
Catalase
112.
The substrate in the liver lab.
a)
Water
b)
Liver
c)
Hydrogen Peroxide
d)
Catalase
113.
A product in the liver lab.
a)
Water
b)
Liver
c)
Hydrogen Peroxide
d)
Catalase
114.
A pH of 4.
a)
Acid
b)
Base
c)
Neutral
115.
Amphipathic
a)
Polar
b)
Non-Polar
c)
Neutral
d)
Both polar and non-polar
116.

How does the amount of water on Earth change as a result of the water cycle?

a)

It always increases.

b)

It always decreases.

c)

It alternately increases and decreases.

d)

It stays constant.

117.

A group of organisms that can interbreed and produce fertile offspring is called

a)

family

b)

species

c)

organization

d)

community

118.

When using the scientific method to test the effectiveness of a diet pill, giving one group a placebo (fake pill) would represent

a)

independent variable

b)

dependent variable

c)

control

d)

constant

119.

A theory

a)

becomes a law if we have enough evidence.

b)

is an explanation of a natural phenomenon.

c)

is the opening statement of an experiment.

d)

is a problem to be solved.

120.

What occurs any time a limited resource is shared?

a)

mutualism

b)

predation

c)

competition

d)

symbiosis

121.

A species is found to have a population characteristic in which the organisms are equally spread out. This species would have

a)

random dispersion

b)

uniform dispersion

c)

clumped dispersion

d)

T-shaped dispersion

122.

Which terrestrial biome house the greatest biodiversity?

a)

taiga

b)

grassland

c)

temperate deciduous forest

d)

tropical rainforest

123.

Salt (NaCl) can dissolve in water because

a)

water is non-polar.

b)

water is more dense than salt is.

c)

the partial charges on the water molecule attract to the ions in the salt.

d)

water is hydrophobic and can interact well with ions.

124.

Why do bonds form between atoms?

a)

There are more protons than neutrons in an atom.

b)

The number of electrons has to equal the number of protons.

c)

The atoms lose, gain or share electrons to have a stable number of electrons.

d)

Bonds only form between molecules.

125.

Which of the following describes a covalent bond?

a)

One electron shared unequally between atoms.

b)

One atom "gives" an electron to the other.

c)

Two atoms share electron(s).

d)

Two molecules are attracted to each other.

126.

Why do hydrogen bonds form?

a)

They are weak attractions between polar molecules.

b)

They are strong bonds within compounds.

c)

They make water charged.

d)

Electrons are shared evenly between atoms.

127.

How does an enzyme influence a biological reaction?

a)

It increases the net energy difference between reactants and products.

b)

It decreases the activation energy necessary to start the chemical reaction.

c)

It increases the kinetic energy of reactants, thereby increasing their tendency to collide.

d)

It decreases kinetic energy of reactants, enabling them to undergo chemical change more easily.

128.

Fats, oils, waxes and steroids are all categorized together because they are

a)

ionic

b)

hydrophilic

c)

inorganic

d)

non-polar

129.

The cell membrane is primarily composed of

a)

a cholesterol layer

b)

an enzyme bilayer

c)

a lipid bilayer

d)

a protein layer

130.

Protons (H+) move across the membranes of mitochondria and chloroplasts in cellular respiration and photosynthesis. Through which type of molecule does this occur?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

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