COMPLETE 2 TEST
MUST HAVE KNOWLEDGE IN BIOLOGY
SEE ATTACHED TEST
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Bio U7 Practice Test 1 A
1.
2.
Which of these point mutations to
DNA
triplet CGG would affect the protein made?
A lone wolf travels hundreds of miles from his original pack and joins a new pack in a different
range, affecting the gene pool through which mechanism?
CGA
CGT
TGG
AGG
recombination of alleles
genetic drift
no effect
gene flow
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3.
4.
5.
6.
Which of these correctly shows ecological succession in a lava field?
Bob has red hair. Where is the genetic code for red hair found?
In primroses, red, the dominant flower color, has incomplete dominance or intermediate
expression. What will happen to the offspring if a heterozygous red primrose is bred with a
homozygous white primrose? White is recessive.
A palm tree’s roots grow downward to the water source and anchor the tree so it is not easily
uprooted by the wind. The roots growing downward is what type of plant response?
Soil is created. Moss and lichen arrive by birds to barren lava field. Fountain grass grows.
Monkeypod trees grow.
Moss and lichen arrive by birds to barren lava field. Soil is created. Fountain grass grows.
Monkeypod trees grow.
Moss and lichen arrive by birds to barren lava field. Fountain grass grows. Monkeypod trees
grow. Soil is created.
Soil is created. Moss and lichen arrive by birds to barren lava field. Monkeypod trees grow.
Fountain grass grows.
tRNA in the cytoplasm
DNA in the
nucleus
in the mRNA in the ribosomes
the proteins assembled by the ribosomes
100% will be pink.
100% will be white.
50% will be red; 50% will be pink.
50% will be pink; 50% will be white.
photoperiodism
photosynthesis
phototropism
geotropism
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7.
8.
9.
How would deforestation in the Amazon affect the carbon cycle?
An ivy is placed on a counter. The vines begin to grow toward a window. What plant response
causes this?
Transcription occurs in which organelle?
Carbon in biomass stays the same.
Carbon in biomass increases.
Atmospheric carbon increases.
Atmospheric carbon decreases.
photoperiodism
phototropism
photosynthesis
geotropism
nucleus
mitochondrion
ribosome
chloroplast
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10.
11.
Which of these molecules represents a protein?
Howard looks at a sample of pond water in the microscope. He sees cyanobacteria and
plasmodium, a type of protist. What is one difference between the plasmodium and the
cyanobacteria?
The plasmodium has a nuclear membrane.
The cyanobacteria is unicellular.
The cyanobacteria has a nuclear membrane.
The plasmodium is unicellular.
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12.
13.
14.
15.
A lizard in a desert is colored brown to match the color of the sand. A few lizards have an
adaptation that makes their top half blue. A new shrub with blue flowers is introduced to the desert.
What is likely to occur in future generations?
In field mice, brown fur is dominant and white fur is recessive. If a field mouse that is
heterozygous for brown fur breeds with a field mouse that is homozygous for white fur, what is the
probability that their offspring will have white fur?
Every tRNA has an anticodon. What is the purpose of an anticodon?
A human baby weighs 8 pounds at birth and 150 pounds as an adult. Which statement is true
about the person’s growth?
The population of brown and blue lizards will stay the same.
The population of brown lizards will increase.
All the brown lizards will die out and only blue lizards will be left.
The population of blue lizards will increase as they can use the flower for shelter and
camouflage.
100%
75%
25%
50%
Anticodons tell the tRNA when to begin retrieving amino acids.
Anticodons help the tRNA retrieve the correct amino acid.
Anticodons tell the tRNA when to stop retrieving amino acids.
Anticodons help the tRNA retrieve the correct nucleic acid.
The number of cells increased because of mitosis.
The cells grew bigger during the G1 and G2 growth phases.
The cells grew bigger as the person developed.
The number of cells increased because of meiosis.
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16.
17.
18.
19.
The zebra mussel is an invasive species. Which statement is most likely true if the zebra mussel
is introduced to a new environment without predators?
Proteins are assembled on which part of the cell?
This type of cell can develop into different types of blood cells in a body.
A Pacific island receives a large quantity of precipitation. This enables bacteria to grow and
reproduce rapidly. What is true of an island in the tropics?
Zebra mussels will disrupt the community and cause native species to decline as they eat all
the food.
Zebra mussels will not cause a significant change in the community.
Zebra mussels will become the keystone species.
Zebra mussels will become part of the climax community.
smooth
ER
rough ER
Golgi apparatus
nucleus
pluripotent stem
cell
totipotent stem cell
ectoderm
multipotent stem cell
The bacteria eat oil in an oil spill.
People are more easily infected with bacterial disease.
Decomposition of a dead mouse occurs rapidly.
Bacteria are in competition with fungi.
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20.
21.
22.
23.
Fossils of whales and whale ancestors show a change in species over time. The ancestral species
are no longer in existence. What type of evolution most likely occurred with whales?
A golf course is next to a river. The fertilizers they use for the golf course get washed into the
river. What might happen as a result of the excess fertilizer?
What is the name of the organization level that is missing from this picture?
A runner uses all available oxygen for respiration. She then notices that her legs are becoming
sore. Which of these statements is most representative of respiration?
equilibrium
punctuated
gradualism
punctuated equilibrium
gradualism
The water warms due to excess nitrogen.
Fish die due to algae blooms.
Nitrogen-fixing bacteria die off.
Fish die due to nitrogen-fixing bacteria.
organelle
tissue
cell
organ
Her body is producing lactic acid because she is breathing too hard.
Her body is producing lactic acid as a result of doing aerobic respiration.
She has been running too long.
Her body is producing lactic acid as a result of doing anaerobic respiration.
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24. What type of molecule is shown in the picture?
amino acid
nucleic acid
RNA
DNA
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25. Which two species are the most closely related?
guinea pig and rabbit
tree shrew and manatee
duck-billed platypus and elephant shrew
lemur and bonobo
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26.
27.
Look at the cross-section of a woody stem. Where is the xylem tissue located?
Cockroaches have low genetic diversity, yet are in no danger of going extinct. Which statement
is most correct about the reproductive success of cockroaches?
only in the roots and not shown in the picture
toward the outside of the stem
throughout the stem
toward the center of the stem
Cockroaches have adaptations to be able to live in any environment.
Cockroaches have adaptations that allow for interbreeding without any harm.
Cockroaches have evolved to be generalists.
Cockroaches are the “fittest” of all beetles.
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28. Identify Creature X using the dichotomous key.
Creature X
Creature Y
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1 – a. Organism has a small head – go to 2 b. Organism has a large head – go to 3
2 – a. Organism has a narrow body – go to 6 b. Organism has a round body – go to 7
3 – a. Organism has a narrow body – go to 4 b. Organism has a round body – go to 5
4 – a. Organism has a curly antennae – go to 9 b. Organism has a straight antennae – go to 17
5 – a. Organism has short arms – go to 18 b. Organism has long arms – go to 19
6 – a. Organism has a curly antennae – go to 11 b. Organism has a straight antennae – go to 12
7 – a. Organism has a curly antennae – Roundus tricurlus b. Organism has a straight antennae – go
to 8
8 – a. Organism has spots – Roundus trispottis b. Organism has no spots – Roundus squintus
9 -“ a. Organism has round eyes – Narrowus trifurrus b. Organism has narrow eyes – go to 16
10 – a. Organism has round eyes – Roundus diheadfuzzus b. Organism has narrow eyes – Roundus
difuzzus
11 – a. Organism has round eyes – go to 15 b. Organism has narrow eyes –
Narrowus trispottis
12 – a. Organism has short arms – go to 13 b. Organism has long arms – go to 14
13 – a. Organism has fur – Narrowus difuzzus b. Organism has no fur – Narrowus bareus
14 – a. Organism has spots – Narrowus longspottis b. Organism has no spots – Narrowus tippus
15 – a. Organism has a tail – Narrowus trifuzzus b. Organism has no tail – Narrowus quadspottis
16 – a. Organism has two feet – Narrowus curlus b. Organism has three feet – Narrowus
squintflippus
17 – a. Organism has spots –
Narrowus dispottis
b. Organism has no spots – Narrowus fuzzflippus
18 – a. Organism has a curly antennae – Roundus bareus b. Organism has a straight antennae –
Roundus puffus
19 – a. Organism has two feet – go to 10 b. Organism has three feet – Roundus headfuzzus
Narrowus trispottis
Narrowus longspottis
Roundus tricurlus
Narrowus dispottis
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29.
30.
31.
32.
What is one difference between photosynthesis and respiration?
A cat is in the same order as a dog, the same class as a monkey, and the same family as a tiger.
Which animal is the cat least related to?
An eagle and a grizzly bear both hunt for salmon. What type of relationship does the eagle have
with the salmon?
Cells need nutrients to perform their many functions. Which two organ systems interact to
deliver nutrients to the cell?
Respiration is done by plants.
Photosynthesis creates useful energy.
Photosynthesis uses glucose as a reactant.
Respiration uses glucose as a reactant.
cat
dog
tiger
monkey
competition
commensalism
mutualism
predation
muscular and digestive
endocrine and digestive
circulatory and digestive
reproductive and digestive
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33.
34.
35.
Why is crossing over in meiosis important?
A cheetah is adapted for running at high speeds. This helps the cheetah be able to catch a
gazelle. Lions also eat gazelles. What type of relationship does the cheetah have with a lion?
An influenza virus attacks a human. Which two organ systems fight the virus?
It aids in cytokinesis.
It decreases the probability for mutations.
It makes four unique daughter cells.
It increases genetic diversity.
predation
competition
mutualism
commensalism
nervous and cardiovascular
endocrine and immune
circulatory and immune
digestion and endocrine
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36.
37.
Which level of this trophic pyramid represents 10% of the energy?
Which two body systems would defend a person from a fire?
primary consumers
tertiary consumers
producers
secondary consumers
immune and integumentary
nervous and cardiovascular
integumentary and nervous
muscular and endocrine
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38.
39.
Which organisms are missing from this food web?
Which type of tissue forms the woody portion of a sycamore tree?
producers and decomposers
tertiary consumers and producers
producers
microorganisms
primary xylem
secondary phloem
primary phloem
secondary xylem
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40. Photosynthesis occurs in the ___ organelle in phytoplankton.
ER
mitochondria
chloroplast
nucleolus
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Bio U8 Practice Test 2 A
1.
2.
3.
Why is the shape of an enzyme important?
In secondary succession, what happens first?
A bird builds its nest in a tree. What type of relationship does the bird have with the tree?
The shape allows the reaction to go faster.
The shape allows the enzyme to make a new substrate.
The shape allows the enzyme to bind with a specific substrate.
The shape allows the enzyme to make products.
Wind brings lichens and mosses.
Small shrubs establish themselves.
Soil is built.
Grasses and other annual plants establish themselves.
symbiotic
commensalism
parasitism
mutualism
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4.
5.
6.
What is the name of the organization level missing from this picture?
A model of DNA is shown. What does the arrow indicate?
A snake with the genotype of TTPp mates with another snake with the genotype ttpp. What is the
probability that their offspring will have the genotype Ttpp?
cell
organelle
molecule
tissue
nucleotide
phosphate group
nucleic acid
deoxyribose sugar
75%
25%
50%
16.5%
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7.
8.
9.
10.
In order for complicated, self-replicating DNA to form, what do some scientists hypothesize
happened first?
Fungi in an ecosystem decompose matter. Why is this important?
Generally, the more genetic diversity a species has, the greater its chance for long-term survival.
This is due to which of the following?
Cars burn fossil fuels. How might this result in climate change?
Enzymes formed first.
Polymerization of amino acids happened in cold climates.
DNA formed as a result of natural selection.
RNA formed first.
Fungi return nitrogen and phosphorous into the soil that plant roots can absorb.
Fungi help produce atmospheric oxygen.
Fungi return glucose to the soil that plant roots can absorb.
Fungi help reduce atmospheric carbon dioxide.
Greater genetic diversity allows individuals to evolve.
Greater genetic diversity allows the strongest individuals to survive.
Greater genetic diversity allows populations to evolve.
Greater genetic diversity allows for more adaptations for changing environments.
Burning fossil fuels increases atmospheric carbon levels.
Burning fossil fuels decreases atmospheric nitrogen levels.
Burning fossil fuels decreases atmospheric carbon levels.
Burning fossil fuels increases atmospheric nitrogen levels.
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11.
12.
Which of these molecules represents a lipid?
Support in a muscle cell is provided by the ___.
Golgi apparatus
rough ER
cytoskeleton
lysosome
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13.
14.
15.
Which statement is true about mitosis?
Cancer cells are often a result of the disruption of what process in cells?
Which organism are important in primary ecological succession?
Mitosis results in four identical daughter cells.
Mitosis results in two unique daughter cells.
Mitosis results in four unique daughter cells.
Mitosis results in two identical daughter cells.
homeostasis
respiration
negative feedback
natural selection
soil and lichen
grasses and mosses
shrubs and trees
moss and lichen
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16.
17.
18.
Corals are animals that live in reefs. Healthy corals are covered in algae, which do
photosynthesis. Which type of relationship does coral have with algae?
Animals move to get their food. Which body systems help animals move to get food?
The honeycreeper is a bird native to Hawaii. Its beak is especially adapted to pollinate certain
native plants. The Japanese white-eye is an invasive species that harbors a fungus that has no effect
on the Japanese white-eye but is deadly to the Hawaiian honeycreeper. Which statement is most
likely true?
mutualism
competition
producer
consumer
digestive and skeletal
skeletal and muscle
skeletal and nervous
muscle and digestive
The honeycreepers will adapt to the fungus.
Honeycreepers will suffer a mass extinction.
Birds in Hawaii will suffer a mass extinction.
Both the honeycreeper and the plants it pollinates will be in danger of extinction if the
honeycreeper does not adapt to the fungus.
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19.
20.
Useful energy is made in which organelle?
What type(s) of organisms is missing from this food web?
mitochondria in animals
mitochondria in plants
mitochondria in plants and animals
chloroplast in plants
producers
decomposers
producers and decomposers
microorganisms
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21.
22.
23.
24.
What plant response causes a sunflower to face a window?
Meiosis creates gametes that have which of the following?
What is one similarity between photosynthesis and respiration?
Which of these statements about the fossil record supports evolutionary theory?
photosynthesis
phototropism
photoperiodism
geotropism
double the number of chromosomes
homologous chromosomes
diploid cells
half the number of chromosomes
They both use carbon dioxide as a reactant.
They both use carbon dioxide as a product.
They both convert energy to a useful form.
They both require light energy.
The fossil record shows punctuated equilibrium.
The fossil record shows gradualism.
Generally, older fossils are found in lower layers of the geologic column and newer, more
complex organisms are found in upper layers.
Generally, newer fossils are found in lower layers of the geologic column and older, more
complex organisms are found in upper layers.
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25.
26.
The fossil record shows long periods of time where species stay the same followed by rapid
evolution. This is an argument for what hypothesis?
Thermophiles are archaebacteria that live near volcanic vents. How does a thermophile differ
from a euglenoid, a type of protist that lives in extremely toxic water?
gradualism
mass extinction
punctuated equilibrium
natural selection
The euglenoid has DNA.
The euglenoid has organelles covered with a membrane.
The thermophile has a cell membrane.
The thermophile has flagella.
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27. Identify Creature Y using the dichotomous key.
Creature X
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Creature Y
1 – a. Organism has a small head – go to 2 b. Organism has a large head – go to 3
2 – a. Organism has a narrow body – go to 6 b. Organism has a round body – go to 7
3 – a. Organism has a narrow body – go to 4 b. Organism has a round body – go to 5
4 – a. Organism has a curly antennae – go to 9 b. Organism has a straight antennae – go to 17
5 – a. Organism has short arms – go to 18 b. Organism has long arms – go to 19
6 – a. Organism has a curly antennae – go to 11 b. Organism has a straight antennae – go to 12
7 – a. Organism has a curly antennae – Roundus tricurlus b. Organism has a straight antennae – go
to 8
8 – a. Organism has spots – Roundus trispottis b. Organism has no spots –
Roundus squintus
9 – a. Organism has round eyes – Narrowus trifurrus b. Organism has narrow eyes – go to 16
10 – a. Organism has round eyes – Roundus diheadfuzzus b. Organism has narrow eyes – Roundus
difuzzus
11 – a. Organism has round eyes – go to 15 b. Organism has narrow eyes – Narrowus trispottis
12 – a. Organism has short arms – go to 13 b. Organism has long arms – go to 14
13 – a. Organism has fur – Narrowus difuzzus b. Organism has no fur – Narrowus bareus
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28.
29.
14 – a. Organism has spots – Narrowus longspottis b. Organism has no spots – Narrowus tippus
15 – a. Organism has a tail – Narrowus trifuzzus b. Organism has no tail – Narrowus quadspottis
16 – a. Organism has two feet – Narrowus curlus b. Organism has three feet – Narrowus
squintflippus
17 – a. Organism has spots – Narrowus dispottis b. Organism has no spots – Narrowus fuzzflippus
18 – a. Organism has a curly antennae – Roundus bareus b. Organism has a straight antennae –
Roundus puffus
19 – a. Organism has two feet – go to 10 b. Organism has three feet – Roundus headfuzzus
Which stage of mitosis is shown in the picture?
What type of tissue forms the woody portion of an oak tree?
Roundus tricurlus
Roundus bareus
Roundus puffus
Roundus squintus
metaphase
prophase
telophase
anaphase
primary xylem
secondary xylem
secondary phloem
primary phloem
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30. Which two species are the most closely related?
shrew and wombat
beaver and elephant
shrew and rabbit
bat and manatee