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Mock EOC Review

Total questions: 100

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

Plants and animal cells are examples of ___ cells

a)

prokaryotic cells

b)

eukaryotic cells

c)

both eukaryotic and prokaryotic

d)

neither

2.

What type of cell has a nucleus?

a)

eukaryotic

b)

prokaryotic

c)

neither

d)

both

3.
One example of a prokaryote is a...
a)
fungus
b)
bacteria
c)
animal
d)
plant
4.

Which cells do not have cell walls?

a)

plants

b)

fungi

c)

animals

d)

bacteria

5.

Location inside of a plant cell where the process of photosynthesis occurs.

a)

nodules

b)

stomata

c)

chloroplasts

d)

chlorophyll

6.

Does the following definition describe photosynthesis or cellular respiration?

"The process by which cells obtain energy from glucose"

a)

photosynthesis

b)

cellular respiration

7.

What are the reactants (inputs) of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

energy

8.

What are the products (outputs) of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

energy

9.

What are the reactants (inputs) of photosynthesis? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

sunlight

10.

What are the products (outputs) of photosynthesis? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

sunlight

11.

Which of the following units are repeatedly joined together to form a strand of DNA?

a)

Amino Acids

b)

Nucleotides

c)

Fatty Acids

d)

Polysaccharides

12.

Why is DNA important?

a)

it is very small and very complicated

b)

it's in everything

c)

it serves as the blueprint for traits of all living things

d)

because we eat it every day for energy

13.

Why does the amount of energy decrease as we move up the food chain?

a)

90% of the energy in each level is lost as heat.

b)

90% of the energy in each level is passed on to the next level.

c)

10% of the energy in each level is lost as heat.

d)

Trick question, there is the same amount of energy in every level of the food chain.

14.

Which are the correct labels for the diagram shown?

a)

(a) chromosome

(b) centromere

(c) chromatid

b)

(a) chromatid

(b) centromere

(c) chromosome

c)

(a) centromere

(b) chromosome

(c) chromatid

d)

(a) centromere

(b) chromatid

(c) chromosome

15.

Sister chromatids are separated into two separate chromosomes in...

a)

Anaphase

b)

Metaphase

c)

Telophase

d)

Prophase

16.
When taken to a new habitat, non-native plants often threaten native plants of the new habitat.  Why do they do this?
a)
Non-native plants are able to mutate rapidly
b)
Non-native  plants cause native animals to relocate
c)
Non-native plants are able to be used for medicine
d)
Non-native plants compete with native plants for resources
17.

Which of these mutations will be passed down to offspring? Select all that apply.

a)

A somatic cell mutation

b)

A germline cell mutation

c)

A mutation in a skin cell

d)

A mutation in a sperm or egg cell

18.
Enzymes need certain environmental conditions in order to function properly.  What happens when enzymes are heated to a high temperature?
a)
they die
b)
they denature
c)
they change their amino acid sequence
d)
they work better
19.

If one strand of DNA has the sequence 5' ATGC 3', what is the sequence of the matching strand?

a)

5' GCAT 3'

b)

5' CGTA 3'

c)

5' TACG 3'

d)

5' ATGC 3'

20.
Burning fossil fuel has which effect in the carbon cycle?
a)
It removes carbon dioxide from the atmosphere.
b)
It puts carbon dioxide under the ground.
c)
It adds carbon dioxide to the atmosphere.
d)
It has no effect in the carbon cycle.
21.

viruses are non-living because

a)

they cannot reproduce on their own

b)

they do not evolve

c)

they have no genetic material

d)

they cannot be destroyed

22.

WHAT does transcription produce?

a)

DNA

b)

RNA

c)

proteins

d)

amino acids

23.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would infinitely increase
c)
The bird population would decrease
24.
Will competition increase/decrease the carrying capacity of an ecosystem for the animal in competition?
a)
Decrease
b)
Increase
25.

A correct path that nitrogen could take would be

a)

air -> animals -> plants -> bacteria

b)

animals -> air -> bacteria -> plants

c)

bacteria -> air -> plants -> animals

d)

air -> bacteria -> plants -> animals

26.

The first organisms to reappear after an ecosystem is damaged.

a)

Abiotic Community

b)

Pioneer species

c)

Succession

d)

Biomass

27.
Movement of particles from high to low concentration. 
a)
Passive Transport
b)
Active Transport
28.

Passive transport moves material __________ its concentration gradient. While active transport moves substances ___________ its concentration gradient.

a)

down, against

b)

against, down

c)

down, down

d)

up, up

29.
What type of transport is this?
a)

Endocytosis

b)

Facilitated Diffusion

c)

Active Transport

d)

Osmosis

30.

Which are true of asexual reproduction? Select all that apply.

a)

There are 2 parents

b)

There is 1 parent

c)

Offspring are genetically identical to the parent

d)

Offspring are genetically unique

31.

Which are true of sexual reproduction? Select all that apply.

a)

There are 2 parents

b)

There is 1 parent

c)

Offspring are genetically identical to the parent

d)

Offspring are genetically unique

32.

All of these are ways that genetic variation is created EXCEPT

a)

Random mutations in the DNA

b)

Asexual reproduction

c)

Crossover during meiosis

d)

Independent assortment during meiosis

33.

The purpose of meiosis is to create

a)

haploid gametes

b)

diploid zygotes

c)

haploid zygotes

d)

diploid gametes

34.

Nitrogenous bases on opposite strands of DNA are joined by which type of bond?

a)

polar bonds

b)

ionic bonds

c)

covalent bonds

d)

hydrogen bonds

35.

Identify the type of RNA according to its description/function:


Carries the polypeptide subunits (amino acids) to the organelle responsible for synthesis (ribosome); carries the anticodon

a)

tRNA

b)

rRNA

c)

mRNA

d)

hnRNA

36.

Identify the type of RNA according to its description/function:

A transcript copy of a gene which encodes a specific polypeptide; contains codons

a)

tRNA

b)

rRNA

c)

mRNA

d)

hnRNA

37.

Identify the type of RNA according to its description/function:


A primary component of the ribosome and is responsible for its catalytic activity

a)

tRNA

b)

rRNA

c)

mRNA

d)

hnRNA

38.

What 3 things can cause primary succession to start?

a)

Volcanic Eruption

b)

Glacial Retreat

c)

Forest fire

d)

Formation of a rock island

39.

During what phase of Mitosis do the chromosomes line up in the Middle

a)

Metaphase

b)

Prophase

c)

Telophase

d)

Anaphase

40.
Homeostasis
a)
allows for a wildly fluctuating internal environment
b)
is impossible in vertebrates
c)

is the maintenance of a relatively stable internal environment

d)

is the maintenance of a relatively stable external environment

41.

If a sample of DNA is 21% adenine, what percent of the DNA is guanine?

a)

21%

b)

42%

c)

58%

d)

29%

42.

How does an enzymes shape relate to its function?

a)

the shape of the enzyme has no relation to its function

b)

the enzyme is shaped specially for certain substrates to perform a specific reaction

c)

the enzyme shape acts as a receptor to certain products

d)

the enzyme shape can fit into specific substrates to cease a reaction

43.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 
a)
0%
b)
25%
c)
50%
d)
100%
44.
What is the genotype for a pea plant heterozygous for round seeds (R), and homozygous recessive for green seeds (y)?
a)
Ry
b)
RRyy
c)
RrYy
d)
Rryy
45.

The trait for this pedigree is likely (a)   because it never skips a generation (all affected offspring have at least one affected parent)

46.
Why do plants conduct photosynthesis?
a)
To make light
b)
To make mitochondria
c)
To make glucose
d)
To release carbon dioxide
47.

Which one of the following is NOT true about DNA

a)

contains deoxyribose

b)

transports genetic information to the heart

c)

the order of nitrogen bases serves as a the code for polypeptide sequencing

d)

it is a polymer composed of nucleotide monomers

48.

Nucleotides are:

a)

monomers of proteins

b)

polymers of RNA

c)

DNA base pairs

d)

monomers of DNA

49.

What is the purpose of cellular respiration?

a)

to get rid of carbon dioxide

b)

to take in oxygen

c)

to take in sugar

d)

to break down food to create energy

50.

How is cellular respiration different from photosynthesis?

a)

Photosynthesis produces ATP, cellular respiration produces sugars

b)

photosynthesis requires oxygen, cellular respiration requires oxygen

c)

photosynthesis produces oxygen, cellular respiration produces carbon dioxide

d)

photosynthesis requires energy from food, cellular respiration requires energy from the sun

51.
Which of these is the Green Pigment that Traps Sunlight during Photosynthesis?
a)
Chloroplast
b)
ATP
c)
Chlorophyll
d)
Osmosis
52.

Which stage of cell division divides the cytoplasm?

a)

Cytokinesis

b)

Mitosis

c)

Prophase

d)

Interphase

53.

Cell splits into two.

a)

Metaphase

b)

Cytokinesis

c)

Interphase

d)

Prophase

54.

What is an invasive species?

a)

An organism that is new to an environment that has positive effects on the environment.

b)

An organism that is native to an environment that has negative effects on the environment.

c)

An organism that is new to an environment that has negative effects on the environment.

d)

An organism that is native to an environment that has positive effects on the environment.

55.

It's hard to reduce lionfish numbers because _______.

a)

they often live in spots where divers can't reach them.

b)

they have spines that keep predators from eating them.

c)

they reproduce quickly.

d)

all of the above.

56.

What happens to an enzyme when it is denatured?

a)

Activation energy is lowered

b)

It becomes stronger

c)

It loses its shape

d)

Activation energy is raised

57.

Enzymes are specific. This means that an enzyme only works with molecules that are....

a)

the right size and shape

b)

broken down already

c)

present in water

d)

too big for the body to handle

58.

Which groups share derived character 1

a)

A and B

b)

A and C

c)

B and C

d)

A, B and C

59.

Which of the following groups shares the most recent common ancestor?

a)

Mosses and ferns

b)

cone-bearing plants and ferns

c)

cone-bearing plants and flowering plants

d)

Mosses and flowering plants

60.

Which of the following would be the complementary DNA strand to the DNA strand below?

5' ACGGCTACG 3'

a)

5' ACGGCTACG 3'

b)

5' TGCCGATGC 3'

c)

5' CGTAGCCGT 3'

d)

5' GCATCGGCA 3'

61.

After transcription mRNA goes from the nucleus to the _________.

a)

Ribosome

b)

Mitochondria

c)

Endoplasmic Reticulum

d)

Vacuoles

62.
tRNA is involved in
a)
carrying amino acids 
b)
carrying ribosomes
c)
carrying glucose
d)
carrying lipids
63.
How many bases are in one codon?
a)
1
b)
2
c)
3
d)
4
64.

What is translation?

a)

the process in which DNA is copied to make another molecule of DNA

b)

the process in which DNA is coded into mRNA

c)

the process in which mRNA is decoded into a protein

d)

the process in which enzymes break down mRNA

65.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

66.

A scientist was studying a population of fish in a pond over a period of 10 years. He observed that the population increased each year for 3 years, and then remained nearly constant for the rest of the study. The best explanation for this observation is that the population had

a)

stopped reproducing

b)

reached carrying capacity

c)

mutated into a different species

d)

run out of food and all died

67.
Which of the following would INCREASE the carrying capacity of an ecosystem?
a)
increase in predators
b)
disease
c)
increase in available food
d)
drought
68.

Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants?

a)

nitrogen fixation

b)

nitrification

c)

denitrification

d)

ammonification

69.

Ammonia

a)

NH2

b)

NH3

c)

NH4

d)

NH4+

70.

Diffusion & Facilitated Diffusion are both __________ transport.

a)

Passive

b)

Active

c)

Easy

d)

Free

71.

Passive Transport is the movement of particles across the membrane from an area of [ ___ ] to an area of [ ___ ]

a)

high to low

b)

low to high

c)

low to low

d)

high to high

72.
Which type of Passive Transport is being represented in this picture?
a)
Passive Diffusion
b)
Simple Diffusion
c)
Active Diffusion
d)
Facilitated Diffusion
73.
Which type of molecules would be transported by Simple Diffusion?
a)
small, polar 
b)
small, nonpolar
c)
large, polar
d)
large, nonpolar
74.
The diagram represents a model of a food pyramid.  Which statement best describes what happens in this food pyramid?
a)
More organisms die at higher levels than at lower levels, resulting in less mass at higher levels.
b)
Energy is lost to the environment at each level, so less mass can be supported at each higher level.
c)
When organisms die at higher levels, their remains sink to lower levels, increasing the mass of lower levels.
d)
Organisms decay at each level, and thus less mass can be supported at higher levels
75.

The cells are sex cells like sperm and egg.

a)

Somatic Cells

b)

Germ Cells

c)

Intestinal Cells

d)

Brain Cells

76.
A human has 46 chromosomes in their body cells.  What is the haploid number?
a)
46
b)
92
c)
23
d)
12
77.

What are three fossil fuels?

a)

coal

b)

oil

c)

biofuel

d)

natural gas

78.

Why is burning fossil fuels bad for the environment?

a)

It destroys the ozone layer

b)

It adds harmful mercury to waterways

c)

The clouds it creates bring excess rain and flooding

d)

The gases emitted lead to global climate change

79.
Where is the DNA found in a prokaryotic cell? 
a)
floating around in the cytoplasm 
b)
in the nucleus 
80.
All living things are made of...
a)
atoms 
b)
cells 
c)
bacteria 
d)
plants 
81.
Under a microscope, what kind of cells lack membrane-bound internal organelles?
a)
Prokaryotes
b)
Eukaryotes
c)
Plants
d)
Animals
82.
Amino acids link together to form proteins. In which organelle would this process occur?
a)
Lysosome
b)
Ribosome
c)
Centriole
d)
Mitochondria
83.

Which of the following genotypes is homozygous dominant?

a)

aa

b)

Aa

c)

AA

84.

How chance the offspring born from this cross will have a homozygous dominant genotype?

a)

25%

b)

50%

c)

75%

d)

100%

85.

If you cross a black chicken with a white chicken, only black and white checkered chickens would be produced. What kind of inheritance pattern does this follow?

a)

Incomplete dominance

b)

Codominance

86.

This is an example of ---

a)

Incomplete dominance

b)

Codominance

87.

Which of the following would result in a frameshift mutation?

(More than one correct answer)

a)

Insertions

b)

Substitutions

c)

Deletions

88.

The Himalayan rabbit's habitat has cold, snowy winters and mild summers. The body is typically covered in white fur except for the nose, feet, tail, and ears, which are covered in black fur.

A scientist shaved an area of white fur on the back of a Himalayan rabbit and placed an ice pack over the shaved area . The shaved area grew black fur.

Which of these best explains why the hair that grew back where the Ice pack was placed was black and not white?

a)

The white hair mutated to black hair as the rabbit's body temperature decreased.

b)

The coat color changed from white to black with the age of the rabbit.

c)

The genes for black hair were activated by specific temperatures.

d)

White hair only grows during certain times of the year.

89.

Which RNA type is the result of transcription?

a)

tRNA

b)

Non-coding RNA

c)

rRNA

d)

mRNA

90.

Which of the following is correct?

a)

Nucleotide triplets code a single amino acid.

b)

Each amino acid codes a nucleotide.

c)

Each nucleotide codes an amino acid.

d)

Amino acid triplets code a single nucleotide.

91.

Translation is a process where:

a)

a polypeptide sequence is produced from a sequence of rRNA codons.

b)

a polypeptide sequence is produced from a sequence of tRNA codons.

c)

a polypeptide sequence is produced from a sequence of mRNA codons.

d)

a DNA nucleotide sequence is used to produce mRNA codon sequence.

92.

When we talk about ecosystem services, we are talking about how nature benefits humans.

a)

True

b)

False

93.

Which type of service describes the way nature affects our minds and society?

a)

Provisioning

b)

Regulating

c)

Cultural

d)

Supporting

94.

This service provides recycling of materials, clean air and water, carbon storage and climate regulation.

a)

Provisioning

b)

Regulating

c)

Cultural

d)

Supporting

95.
Which of the following is an example of an ecosystem service?
a)
water filtration
b)
food 
c)
oxygen
d)
they all are!
96.

Sometimes when a bee pollinates a flower, this action is beneficial to humans. Bees are the main pollinators of many plants that humans eat, such as blueberries, potatoes, apples, celery, and strawberries. What are the benefits that humans receive from the ecosystem called?

a)

ecological restoration

b)

sustainability

c)

ecosystem services

d)

ecology

97.

Which of the following is not regulated by homeostasis?

a)

body temperature

b)

blood sugar

c)

blood pH

d)

body movements

98.
What is another word that can be used to describe "homeostasis"?
a)
STABLE
b)
EQUAL
c)
COMPLETE
d)
CORRECT
99.

Objective #13

This is a pedigree that follows blue eyes which is a recessive trait. What is the phenotype of the mother (circle) in generation 1?

a)

Brown

b)

Blue

c)

1 blue, 1 brown

100.
Which gender can be carriers of colorblindness and not have it?
a)
Just males
b)
Just females
c)
Both genders

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