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EOC Review Part 1

Total questions: 94

Worksheet time: 1hrs 9mins

Name
Class
Date
1.
What organelle is called the "powerhouse" of a cell?

a)
Endoplasmic Reticulum
b)
Nucleus
c)
Mitochondria
d)
Nucleolus
2.

The _____________ holds the DNA, and controls the functions of eukaryotic cells.

a)

Nucleus

b)

Nuclear Membrane

c)

Mitochondria

d)

Chloroplast

3.
An organelle that captures energy from the sunlight in order to use it to produce food in plant cells is ______________.
a)
Chromatin
b)
Chloroplast
c)
Cytoplasm
d)
Cell Membrane
4.

This organelle controls what goes in and out of plant and animal cells.

a)

Cell Wall

b)

Cell Membrane

c)

Chloroplasts

d)

Cytoplasm

5.

PROKARYOTIC cells do NOT have

a)

membrane bound organelles

b)

cell membrane

c)

DNA

d)

ribosomes

6.

The main difference between an archaebacteria and a leaf cell is --

a)

A leaf cell contains a cell wall while a bacteria cell does not

b)

A leaf cell contains a nuclear membrane while a bacteria cell does not

c)

A bacteria cell contains a nuclear membrane while a leaf cell does not

d)

A bacteria cell contains a cell wall while a leaf cell does not

7.

Which phase is this?

a)

prophase II

b)

Metaphase II

c)

Telophase II

d)

Anaphase II

8.

Identify the phase in the picture

a)

Anaphase II

b)

Prophase II

c)

Metaphase II

d)

Telophase II

9.
a)

Prophase II

b)

Metaphase II

c)

Anaphase II

d)

Telophase II

10.

Identify the phase in the picture

a)

Prophase II

b)

Metaphase II

c)

Anaphase II

d)

Telophase II

11.

Identify the phase

a)

Prophase I

b)

Metaphase I

c)

Anaphase I

d)

Telophase I

12.

What phase is this?

a)

Metaphase I

b)

Prophase I

c)

Telophase I

d)

Anaphase I

13.

What phase is this?

a)

Telophase I

b)

Anaphase I

c)

Metaphase I

d)

Prophase I

14.

What phase is this?

a)

Telophase I

b)

Metaphase I

c)

Anaphase I

d)

P

15.
Which type of transport does not require energy?
a)
Passive transport
b)
Active transport
c)
Pump
d)
Neuron connections
16.
Which type of transport does not require energy?
a)
Passive transport
b)
Active transport
c)
Pump
d)
Neuron connections
17.
Movement of anything across a semi-permeable membrane from high concentration to low concentration is
a)
diffusion
b)
osmosis
c)
active transport
d)
pump
18.
Movement of WATER across a semi-permeable membrane is
a)
osmosis
b)
active transport
c)
diffusion
d)
neuron relay
19.
Which type of transport requires energy?
a)
passive transport
b)
active transport
c)
diffusion
d)
osmosis
20.
a solution that contains equal amount of solvent and solute is
a)
isotonic
b)
hypertonic
c)
hypotonic
d)
solute
21.
if a blood cell is placed in salt water it will
a)
loose water and shrink
b)
gain water and shrink
c)
loose water and swell
d)
gain water and swell
22.

sodium potassium pump moves Na and K against the concentration gradient and uses energy; what is this?

a)

active transport

b)

passive transport

c)

diffusion

d)

osmosis

23.
what will happen to a body in fresh water?
a)
swell
b)
shrink
c)
loose water
d)
loose salt
24.
The stacks of flattened sacs in the picture are called
a)
chlorophyll
b)
grana
c)
stroma
d)
thylakoids
25.
The light reactions occur in the ________ and the dark reactions take place in the ________.
a)

Chloroplast / thylakoid membrane

b)

stroma / thylakoid

c)

mesophyl / stomata

d)

thylakoid / stroma

26.
In which eukaryotic organelles does photosynthesis occur?
a)

Chlorophyll

b)

stomata

c)

xylem

d)

chloroplast

27.

The purpose of photosynthesis is

a)

to make ATP

b)

to make water

c)

to make carbon dioxide

d)

to make glucose

28.

Plants need ____ for photosynthesis.

a)

oxygen

b)

carbon dioxide

c)

glucose

d)

ATP

29.

What is the pigment in the organelle that performs photosynthesis?

a)

Chloroplast

b)

Cytoplasm

c)

Thylakoid

d)

Chlorophyll

30.

Which of the following is the correct formula for photosynthesis?

a)

CO2 + H2O --> O2 + C6H12O6

b)

light + H2O + O2 --> CO2 + C6H12O6

c)

CO2 + C6H12O6 --> O2 + H2O

d)

CO2 + O2 + H2O --> C6H12O6

31.

During photosynthesis, energy is released as -

a)

CO2 and glucose

b)

O2 and glucose

c)

H2O and C6H12O6

d)

H2O and CO2

32.

A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which has occurred?

a)

The swollen gums have absorbed the saltwater solution

b)

The saltwater solution lowers the temperature in the gums

c)

The salt in the solution has moved against the concentration gradient

d)

The water in the gums has moved from a high to a low concentration of water

33.

Which amino acid sequence can be coded from the DNA sequence CAG TAG CGA?

a)

Valine - Isoleucine - Glycine

b)

Valine - Aspartic Acid - Alanine

c)

Valine - Isoleucine - Alanine

d)

Valine - Phenylalanine - Alanine

34.

RNA and DNA are which type of organic compound?

a)

carbohydrate

b)

lipid

c)

nucleic acid

d)

protein

35.

Which is an example of osmosis?

a)

potassium ions moving in and out of an animal cell

b)

carbon dioxide moving into the leaf cells of a plant

c)

oxygen moving into the bloodstream from the lungs

d)

water moving into the root cells of a plant

36.

A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped?

a)

osmosis

b)

photosynthesis

c)

protein synthesis

d)

respiration

37.

Hitchhiker’s thumb (H) is dominant to no hitchhiker’s thumb (h). A woman who does not have hitchhiker’s thumb marries a man who is heterozygous for hitchhiker’s thumb. What is the probable genotypic ratio of their children?

a)

0% Hh : 100% hh

b)

50% Hh : 50% hh

c)

75% Hh : 25% hh

d)

100% Hh : 0% hh

38.

During strenuous exercise, body temperature increases. The body responds to the increase in temperature by sweating, which helps to reduce the body temperature. Which is demonstrated in this situation?

a)

excretion

b)

metabolism

c)

homeostasis

d)

synthesis

39.

A strand of DNA has these bases:

AGC CAT GTA TAC

What is the complementary DNA strand?

a)

ACG GAT CTA TAG

b)

TCG GTA CAT ATG

c)

TGC CTA GAT ATC

d)

UCG CUA CAU AUG

40.

What type of organic molecule are enzymes?

a)

carbohydrates

b)

lipids

c)

nucleic acids

d)

proteins

41.

The yucca plant releases a strong scent at night when the yucca moth is active. The yucca moth, attracted by the scent, gathers pollen from the yucca flower. The yucca moth then deposits her eggs and the pollen on another plant. This ensures that the plant will be cross-pollinated and that the yucca moth larvae have a steady food supply. Which relationship does this best illustrate?

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

42.

Which environmental concern is most associated with burning fossil fuels?

a)

global climate change

b)

pollution of ocean waters

c)

ozone layer destruction

d)

decrease in levels of atmospheric carbon dioxide

43.

Any change or signal in the environment that can make an organism react in some way.

a)

organism

b)

cell

c)

response

d)

stimulus

44.

Some organisms, called __________, can get energy from sunlight in a process known as photosynthesis.

a)

producers

b)

consumers

c)

decomposers

45.

Which graph represents exponential growth?

a)

The graph on the left

b)

The graph on the right

46.

Which graph represents a population with a carrying capacity?

a)

The graph on the left

b)

The graph on the right

47.

What is the approximate carrying capacity of this population?

a)

0

b)

1000

c)

2000

d)

2500

48.

Imagine a disease struck the chipmunk population. Which organism would likely also see a decline as a result.

a)

Hawk

b)

Bush

c)

Caterpiller

d)

Fox

49.
All organisms are made of
a)
Cells
b)
Electrons
c)
Neutrons
d)
Organs
50.
The universal genetic code for all living organisms is
a)
Molecules
b)
mtDNA
c)
RNA
d)
DNA
51.
Which of the following is a population?
a)
hawks, barred owls, and eagles on NC coast
b)
mountain stream
c)
all the frogs in a pond
d)
blue-tailed skinks (lizards) around a barn
52.
Which of the following best describes a community?
a)
sharks, groupers, anemones and shrimp on a coral reef
b)
decorator crabs on the seafloor
c)
loggerhead sea turtles in Atlantic
d)
prairie grassland in Wyoming
53.
Which RNA bases would pair with TACGAA in transcription? 
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
54.

Where does transcription take place in EUKARYOTIC cells?

a)

nucleus

b)

cytoplasm

c)

ribosome

55.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
56.
What is occurring in this picture?
a)
Translation
b)
Replication
c)
Translocation
d)
Transcription
57.
What is the difference between DNA and RNA in terms of bases?
a)
RNA contains uracil in place of thymine
b)
RNA contains uracil in place of adenine
c)
RNA contains uracil in place of guanine
d)
RNA contains uracil in place of  cytosine
58.

TRANSCRIBE this DNA sequence into RNA: TAC GTT ACT

a)

AUG CAA UGA

b)

ATG CAA TGA

c)

AUG GAT UGA

d)

TAC GTT ACT

59.

What is the difference between the sugar in DNA and RNA?

a)

In DNA, the sugar is Deoxyribose while in RNA the sugar is Ribose

b)

In DNA, the sugar is Ribose while in RNA the sugar is Deoxyribose

c)

In DNA, it is a 5 carbon sugar while in RNA it is only a 4 carbon sugar.

d)

There is no difference between the sugars

60.

What is a starch?

a)
A type of fat
b)
A type of protein
c)

A polysaccharide that has a steady flow of energy

61.

Mutations can be negative because

a)

They can cause cancer

b)

They can cause birth defects

c)

They can help an organism thrive in its environment.

d)

They can affect offspring.

62.

Another name for a point mutation is:

a)

Substitution

b)

Frameshift

c)

Insertion

d)

Deletion

63.

ATTTGAGCC- Original

ATTGAGCC - Mutated

The example above is an example of a

a)

Insertion

b)

Point mutation

c)

Deletion

d)

Substitution

64.

The survival of a species depends on its ability to adapt to changes in the environment. Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment?

a)

Mutations are a source of variation in the species

b)

Mutations are the cause of disease in the species

c)

Mutations are not harmful when they occur in somatic cells

d)

Mutations are always passed on to subsequent generations

65.

Chargaff's Rule stated that the following are PAIRS

a)

A = G and C = T

b)

A = C and G = T

c)

A = A and C = C

d)

A = T and C = G

66.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
67.

How much energy is transferred to the next trophic level?

a)

10%

b)

90%

68.

Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Neutralism

69.

In an ecosystem, there are populations of moose, rabbits, grass, and pine trees. Suddenly, a fire blazes through the area, which kills all of the populations. As the months go on, new species of grass begin to take root. This attracts animals, and eventually the ecosystem is restored.


What type of ecological succession happened?

a)

Primary succession

b)

Secondary succession

c)

Tertiary succession

d)

None of the above

70.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
71.

A symbiotic relationship where one organism (the parasite) benefits from and hurts another (the host).

Usually the parasite is getting food from the hosts body.

a)

Commensalism

b)

Parasitism

c)

Mutualism

d)

Competition

72.

Which of the following is NOT an ABIOTIC Factor

a)

Oxygen Levels

b)

Water levels

c)

Number for Decomposers

d)

Rate of soil erosion.

73.

Which of the following are density dependent factors?

a)

competition for resources

b)

predation

c)

disease

d)

natural disasters

74.

Which of the following are examples of a density independent factors?

a)

forest fire

b)

seasonal cycles

c)

storms

d)

disease

75.
What is the major cause for air pollution? 
a)
factories and cars
b)
cigarretes 
c)
deforestation
d)
oil spills
76.
Which process takes carbon dioxide out of the atmosphere?
a)
respiration
b)
combustion
c)
decomposition
d)
photosynthesis
77.
How nitrogen is "fixed" into useable form for plants
a)
only through action of bacteria
b)
only through lightning
c)
through action of bacteria & lightning
d)
through photosynthesis
78.

The first species to inhabit an area after a disturbance is a(n)

a)

invasive species

b)

pioneer species

c)

parasites

d)

abiotic component

79.

Which of the following are abiotic factors that can affect the stability and shape ecosystems? 

a)

 hurricanes, packs of wolves, and temperature, plants

b)

floods, drought, wind, precipitation, and soil type

c)

trees, and bacteria, fish, decomposers, and supply of algae

d)

sunlight, mushrooms, and wind

80.

A species whose introduction causes harm to the environment, the economy, or to human health. The new species begins to reproduce and spread rapidly because their new environment lacks any natural predators.

For example, Kudzu in the United States and the Burmese Pythons in the Florida Everglades

a)

Native

b)

Invasive

c)

Endangered

d)

Keystone

81.

Which of the following best explains the difference in the amount of available energy in the trophic levels of the desert ecosystem?

a)

There is less energy available in the producers because their tissues are less dense than those at higher trophic levels.

b)

There is more energy available in the second trophic level because less energy is needed for hunting compared to the higher trophic levels.

c)

There is more available energy in the birds of prey because they have greater muscle mass for storing energy than organisms in lower trophic levels have.

d)

There is less available energy in the fourth trophic level because of the loss of energy through metabolism in each of the lower trophic levels.

82.

Why might an organism have more than one arrow coming FROM them in a food web?

a)

More than one organism may eat them.

b)

They may eat more than one other organism.

c)

This organism gets its energy from multiple sources.

83.

Match the following

a)

Decomposer

1.

This is an organism that breaks down and gains nutrients from dead organisms.

b)

Predator

2.

This is an animal that lives by preying on other animals.

c)

Producer

3.

This is an organism that supplies matter and energy, also known as an autotroph.

d)

Consumer

4.

This is an organism that relies on other organisms for its food and energy supply; heterotroph

e)

Parasite

5.

This is an organism which feeds on, but usually does not kill, a larger organism

84.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
85.

In a forest, the carrying capacity for squirrels is about 100. If humans cut down part of the forest to build houses, what will happen to the carrying capacity for the squirrels?

a)

it will increase

b)

it will decrease

c)

it will stay the same

86.

Identify this populations carrying capacity

A
B
C
87.

Carrying capacity is the ​ (a)   number of organisms that can survive in an area based on the available ​ (b)   , such as food and water.

Choose from the below words
maximum
resources
minimum
predators
88.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
89.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
90.
The Golgi apparatus _____.
a)
packages cell products for export
b)
eliminates waste
c)
stores DNA
d)
makes energy
91.
What structures distinguish a plant cell from an animal cell?
a)

Plant cells have cell walls and ribosomes.

b)

Plant cells have cell walls, chloroplasts and large vacuole.

c)

Plant cells have chloroplasts and ribosomes.

d)

Plant cells have chloroplasts and mitochondria.

92.

Match the following

a)

There is a LOW amount of water either in the cell or in the solution.

1.

Hypotonic

b)

The part of a solution that is mixed into the solvent (water)

2.

Solute

c)

There is a HIGH amount of water either in the cell or in the solution.

3.

Hypertonic

d)

There is an EQUAL amount of water in both the cell and the solution.

4.

Isotonic

e)

The universal solvent, is the main material being moved in Osmosis.

5.

Water

93.

Reorder the following steps of Protein Synthesis.

a)

DNA unwinds for transcription

b)

mRNA moves to the ribosome

c)

Ribosome creates the protein during transcription

d)

The Rough ER modifies the Protein

e)

The Golgi body packages and ship the Protein out of the cell.

1)
2)
3)
4)
5)
94.

The diagrams below show the phases of mitosis. Which diagram shows the cell is in metaphase?

a)

1

b)

3

c)

4

d)

5

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