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Worksheetsbiology state test review
Total questions: 130
Worksheet time: 2hrs 11mins
Name
Class
Date
1.
The scientific name for the cougar is Puma concolor. Which of the following organism is most closely related?
a)
Corythaixoides
b)
Lynx rufus
c)
Panthera tigris
d)
Puma yagouaroundi
2.
A scientist uses a microscope to examine two slides of a living cell. Each slide contains a different type of cell. The cell on the first slide contained a large circular organelle in the middle that holds genetic material, while the cell on the second slide does not.
Based on these observations, the cell on the second slide most likely has no________.
Based on these observations, the cell on the second slide most likely has no________.
a)
nucleus
b)
flagellla
c)
chloroplast
d)
mitochondria
3.
Complete the following word analogy: Simple sugar is to starch as amino acid is to ____.
a)
carbohydrate
b)
nucleic acid
c)
protein
d)
lipid
4.
Enzymes belong to the group of chemicals known as_________.
a)
lipids
b)
proteins
c)
nucleic acids
d)
carbohydrates
5.
The structure found in both plant and animal cells that controls the flow of materials into and out of the cell is the_________.
a)
cell membrane
b)
nucleus
c)
chloroplast
d)
centriole
6.
Muscle cells require more energy than do most other cells. Which organelles would you expect to find in greater abundance in muscle cells than in most other cells?
a)
cilia
b)
mitochondria
c)
ribosomes
d)
chloroplast
7.
The picture below shows an example of a polysaccharide called cellulose. Which type of macromolecule does this represent?
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
8.
In the trophic pyramid there are 3,000 kilocalories available at the first trophic level. How much energy would be available for the Grizzly Bear?
a)
30 kilocalories
b)
3kilocalories
c)
3,000 kilocalories
d)
120 kilocalories
9.
In a particular species of mice, a single gene (B or b), determines tail length. The short tail allele is sex-linked and dominant. Shading in the pedigree below indicates a individual has a short tail. Individual 6 is a female, what is her phenotype?
a)
XBXb
b)
XbXb
c)
short tail
d)
long tail
10.
When analyzing the pedigree like the one to the right, a trait that is found in every generation indicates that this trait is?
a)
dominant
b)
recessive
c)
incomplete
d)
co-dominate
11.
According to the idea of common descent_________.
a)
all living things are related
b)
all living things can be traced back to have the same ancestor
c)
living things have changed over time
d)
all the above
12.
Which of the following best summarizes the role of natural selection in creating a long giraffe neck?
a)
shorter-necked giraffes were unable to reproduce with long-necked giraffes so they eventually died off
b)
giraffes with longer necks survived and reproduced because they were better suited for the environment
c)
giraffe acquired longer necks as they stretched for higher leaves and passed this trait on to their offspring
d)
shorter-neck giraffes were killed by longer-necked giraffes
13.
What is the basic unit of life?
a)
a proton
b)
a cell
c)
a group of organs working together
d)
a mass of tissue working for one purpose
14.
Use the food web to the right. Assume the elk population in the Yellowstone National Park increases. How will an increase in the elk population affect the Idaho Fescue population?
a)
it will increase the population
b)
it will decrease the population
c)
it will not affect the population
d)
none of the above
15.
The process that releases the energy stored in food is_________.
a)
ATP Synthesis
b)
Photosynthesis
c)
Synthesis
d)
Cellular Respiration
16.
Starting in 1954, commercial fishers in the northwest Pacific were paid by weight, rather than by the individual fish, for pink salmon. The fishers increased the use of a type of net that that selectively catches larger fish. Which of the following effects did this change in fishing technique most likely have on the salmon population?
a)
the average body size of the salmon population increased significantly
b)
the average body size of the salmon population decreased significantly
c)
the average body size of the male salmon population increased while the average body size of the female salmon population decreased
d)
the average body size of the males in salmon population stayed the the same and the average body size of females in the salmon population increased
17.
Which cell structures are sometimes found attached to the endoplasmic reticulum?
a)
Chloroplast
b)
Mitochonidria
c)
Vacuoles
d)
Ribosomes
18.
The diagram below represents a cell placed in a sugar solution. The symbol X is used to represent the sugar molecules, which will most likely diffuse.
a)
Into the cell, increasing the concentration of sugars in the cell
b)
out of the cell, increasing the concentration of sugar in the cell
c)
into the cell, decreasing the concentration of sugar in the cell
d)
out of the cell, decreasing the concentration of sugar in the cell
19.
Use the following table to answer which substance is electrically neutral.
a)
Lithium
b)
Fluorine
c)
Potassium
d)
Sulfur
20.
A DNA test was conducted at a crime scene to determine who committed murder. From the electrophoresis, who do you think committed the murder?
a)
Suspect 1
b)
Suspect 2
c)
None of the above
21.
Which of the following shows the correct sequence of the cell?
a)
Cytokineses, Mitosis, G1, Synthesis, G2
b)
Synthesis, G1, G2, Mitosis, Cytokinesis
c)
G1, Synthesis, G2, Mitosis, Cytokinesis
d)
None of the above
22.
The synthesis phase, G1 phase, and G2 phase are called_______.
a)
mitosis
b)
anaphase
c)
interphase
d)
synthesis phase
23.
Which plant adaptation would you find in both a tundra and a desert biome?
a)
small leaves
b)
deep roots
c)
large flowers
d)
fleshy stems that store water
24.
Grassland biomes grow mostly grass and very few trees. Which of the following is the most likely limiting factor that prevents trees from growing?
a)
too little sunlight
b)
too little rainfall
c)
too many herbivores competing for food
d)
too many forest fires caused by lightning
25.
The graph is a climatogram of a particular biome. Which adaptation would be common in mammals that live in this biome?
a)
able to climb trees
b)
large, thin ears
c)
thick fur
d)
likely to migrate in winter months
26.
In which of the following biomes would you not expect to find reptiles?
a)
grasslands
b)
desert
c)
tundra
d)
tropical rainforest
27.
A terrestrial biome has cool summers and harsh, snowy winters. The temperature rarely exceeds 20 degrees C during the summer. The primary producers are pine and spruce trees. Which of the following animals would you most expect to find in this biome?
a)
mammals with large ears
b)
mammals with thick fur
c)
mammals that hunt at night
d)
mammals that live primarily in trees
28.
A body part or behavior that helps a living thing survive
a)
camoflage
b)
adaptation
c)
extiction
d)
instinct
29.
Members of which kingdom live in unusual conditions such as deep ocean trenches or volcanoes?
a)
Eubacteria
b)
Protista
c)
Fungi
d)
Archaebacteria
30.
What reactants are there in cellular respiration?
a)
Water and Glucose
b)
Oxygen and Glucose
c)
Carbon Dioxide and Water
d)
Glucose and Carbon Dioxide
31.
In the middle of the DNA strand, the bases (ATCG) are held together by what type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
32.
When substances enter a cell by going against the gradient, it is called
a)
passive transport
b)
active transport
c)
facilitated diffusion
d)
isotonic interaction
33.
Which of the following is not a part of interphase?
a)
G2
b)
M
c)
G1
d)
S
34.
A cell must divide to produce a group of cells that can form a tissue. Which process is responsible for this division?
a)
Meiosis
b)
Homeostasis
c)
Cell Cycle
d)
Mitosis
35.
How do enzymes function?
a)
They increase the activation energy
b)
They increase the reaction rate
c)
They decrease the reaction rate
d)
They decrease the substrate binding complex
36.
Which of the following is true in a climax community?
a)
the community will constantly evolve and change
b)
if one species dies, a new species will fulfill the same role
c)
They are stable for a long time, with the same species maintaining their population
d)
it goes through a major change called "climax" every few hundred years
37.
Which of the following is NOT a characteristic of Meiosis?
a)
Produces diploid cells
b)
Produces unique cell
c)
Two rounds of cell division
d)
Is associated with sexual reproduction
38.
What is the function of the vascular system in plants?
a)
Reproduction
b)
Photosynthesis
c)
Material Tranport
d)
Cellular Respiration
39.
Normal-
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
What is the type of mutation that has occurred?
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
What is the type of mutation that has occurred?
a)
deletion frameshift
b)
insertion frameshift
c)
substitution
d)
nonsense
40.
Viruses are pathogens that can infect and destroy cells. What process are these viruses carrying out when they destroy the cells they infect?
a)
Cell Cycle
b)
Lytic Cycle
c)
Lysogenic Cycle
d)
Replication Cycle
41.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
42.
Which of the following increases an organism's chance for survival?
a)
Genetic Drift
b)
Genetic Variation
c)
Asexual Reproduction
d)
Frameshift Mutations
43.
Which of the following is NOT a role of bacteria that live in human bodies?
a)
digesting food
b)
competing for space with disease-causing bacteria
c)
making vitamins
d)
fixing nitrogen
44.
This image represents a monomer of which macromolecule?
a)
protein
b)
carbohydrates
c)
lipids
d)
nucleic acids
45.
What is the science of describing, classifying, and naming living things?
a)
Dichotomous Key
b)
Taxonomy
c)
Genus and Species
d)
Domain and Kingdom
46.
A group of different species that live together and interact in an environment are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
47.
The diagram below shows the gas exchange among different organisms.
Which carbon compound is represented by the X?
Which carbon compound is represented by the X?
a)
Carbon dioxide, CO2
b)
Glucose, C6H12O6
c)
Carbonic acid, H2CO3
d)
Carbon monoxide, CO
48.
A chart listing the characteristics of four molecules is shown below.
Which molecule listed in the chart is a protein?
Which molecule listed in the chart is a protein?
a)
1
b)
2
c)
3
d)
4
49.
Researchers conducted a seven-year study of a rabbit population and its predators in an ecosystem. During the first two-and-a-half years of the study, the rabbit population rose steadily then declined to the lowest level in the fourth year. The rabbit population rose again during the last three years of the study. Which of the following graphs shows how the population of rabbit predators would be expected to change during the same period in the ecosystem?
a)
A
b)
B
c)
C
d)
D
50.
The pedigree below shows the transmission of a disorder within a family
Which statement describes the offspring that would result if individual 1 has children with a woman that does not carry the allele for this disorder?
Which statement describes the offspring that would result if individual 1 has children with a woman that does not carry the allele for this disorder?
a)
None of the daughters will inherit the allele for the disorder.
b)
All of the sons will inherit the allele for the disorder.
c)
All of the daughters will be affected by the disorder.
d)
None of the sons will be affected by the disorder.
51.
Which diagram correctly models the process of protein synthesis?
a)
A
b)
B
c)
C
d)
D
52.
The diagram below shows one process of cellular reproduction. During this process, what occurs in the chromosomes of the cells?
a)
They are duplicated, but the information they store remains the same
b)
They are duplicated, but the information is passed to only one cell.
c)
They are duplicated and tripled in number.
d)
They are duplicated and halved in number.
53.
The normal blood pressure for a human is about 120/80 mm Hg. The first number is the systolic pressure, produced when the heart contracts. The second number is the diastolic pressure which reflects the pressure when the heart relaxes. The following graph shows the results of an investigation testing the effects of salt intake on blood pressure.
According to the graph, which of the following predictions would be justified?
According to the graph, which of the following predictions would be justified?
a)
Daily salt intake can vary from 0 to 30 grams and maintain a normal blood pressure.
b)
Maintaining daily salt intake between 5 and 10 grams helps maintain a normal blood pressure.
c)
Reducing daily salt intake to less than 10 grams could lower blood pressure to a dangerous level.
d)
Increasing daily salt intake at a slow rate from 0 to 30 grams produces a positive effect on the heart.
54.
Which diagram represents the formation of an ionic bond?
a)
F
b)
G
c)
H
d)
J
55.
The diagram below depicts the DNA fingerprints of four fish species.
Which two species of fish are most closely related?
Which two species of fish are most closely related?
a)
1 and 4
b)
1 and 2
c)
2 and 3
d)
3 and 4
56.
Bean beetles are agricultural pests. During the adult stage, the beetles do not need food or water. The female lays a single egg on the surface of a bean seed. The hatching larva uses the bean for food. Two groups of students designed an experiment to test whether adult female bean beetles prefer a certain type of bean on which to lay their eggs. The students divided three dishes into three different sections. Two of the three sections in each dish contain a different type of bean. A beetle was placed in each of the three dishes and observed for 30 minutes. The data are shown in the tables below.
Based on the data, the two groups developed different conclusions. Which of the following procedures should be used to provide more reliable data to the students?
a)
The beetles should be the same age.
b)
The beans should be mixed together in the dish.
c)
The average size of the beans should be recorded.
d)
The number of beetles tested should be increased.
57.
A group of scientists tested the effect of a new medication on heart rate. The scientists gave different doses of the medication to 1000 volunteers. The heart rates of the volunteers were measured both before the medication was given and thirty minutes following administration of the medication. The average change in heart rate is shown in the table below.
Which dosage had the greatest effect on heart rate?
Which dosage had the greatest effect on heart rate?
a)
0 mg/kg of body weight
b)
25 mg/kg of body weight
c)
50 mg/kg of body weight
d)
125 mg/kg of body weight
58.
The table below is a codon chart.
What is the likely effect of a mutation that causes the sequence CGC to become CGG?
What is the likely effect of a mutation that causes the sequence CGC to become CGG?
a)
The reading frame will be shifted
b)
The protein formed will be unchanged.
c)
The protein will be translated incorrectly.
d)
The translation process will stop prematurely.
59.
Some students grow two iris plants side by side in pots with the same type of potting soil. The two plants are of the same species, however, one of the plants has purple flowers and one has white flowers. The students count the number of bees that visited each plant during a one-hour period for seven days. The table below shows the results.
Based on these results, the students conclude that bees see purple flowers more readily than they see white flowers. Which of the following describes an alternate reason that more bees visited the purple flowers?
Based on these results, the students conclude that bees see purple flowers more readily than they see white flowers. Which of the following describes an alternate reason that more bees visited the purple flowers?
a)
The purple flowers have a different shape than the white flowers.
b)
The purple flowers have a different scent than the white flowers.
c)
The purple flowers have longer stems than the white flowers.
d)
The purple flowers have more petals than the white flowers.
60.
The diagram shows the structure of a root with root hairs.
The root hairs allow roots to absorb water efficiently by increasing which of these?
The root hairs allow roots to absorb water efficiently by increasing which of these?
a)
The mass of roots
b)
The density of roots
c)
The strength of roots
d)
The surface area of roots
61.
The fennec, shown below, is a small fox-like creature native to North Africa. It lives in a very dry climate and has large ears that help rid its body of excess heat.
The size and body structures of the fennec are the result of what process?
The size and body structures of the fennec are the result of what process?
a)
Succession
b)
Natural selection
c)
Selective breeding
d)
Genetic engineering
62.
Students investigated how temperature affects the growth of a certain species of bacteria. The results of the investigation are shown in the table below.
What conclusion is supported by the results of the investigation?
What conclusion is supported by the results of the investigation?
a)
The maximum growth rate occurred at 37°C.
b)
The bacteria did not grow in temperatures over 50°C.
c)
The growth of the bacteria was not affected by temperature.
d)
The number of colonies was in direct proportion to the temperature.
63.
The transmission of a genetic disorder is represented in the pedigree below.
What is the mode of inheritance shown in the pedigree?
What is the mode of inheritance shown in the pedigree?
a)
Autosomal dominant
b)
Autosomal recessive
c)
Sex-linked carried on the X chromosome
d)
Sex-linked carried on the Y chromosome
64.
The table shows a mutation in a DNA sequence.
What is the result of this mutation during the translation process?
What is the result of this mutation during the translation process?
a)
The translation process will fail to begin
b)
The mRNA will be translated at a faster rate than normal.
c)
Everything after the mutation will be translated incorrectly.
d)
Some of the proteins formed during translation will be unstable
65.
Which information would a scientist use to classify the genus and species of a plant?
a)
The type of insect that is attracted to the flowers on the plant
b)
The physical traits this plant shares with other plants
c)
The time of year flowers bloom on the plant
d)
The location where this plant grows best
66.
The cell membrane of a red blood cell will allow water, oxygen, carbon dioxide, and glucose to pass through. Other substances are blocked from entering making this cell membrane ____.
a)
perforated
b)
selectively permeable
c)
non-conductive
d)
permeable
67.
What type of transport will occur to move a molecule from a lower concentration to a higher concentration?
a)
passive transport
b)
active transport
c)
diffusion
d)
facilitated diffusion
68.
The ability of the cell membrane to allow only certain materials in or out of a cell allows the cell to maintain _______________________.
a)
structure
b)
permeability
c)
homeostasis
d)
osmotic diffusion
69.
A cell membrane is composed of _______________________.
a)
lipids and proteins
b)
lipids and water
c)
proteins and water
d)
proteins and nucleic acids
70.
Referring to the diagram of a male sperm cell, which structure stores the genetic information?
a)
Mitochondira
b)
Lysosome
c)
Nucleus
d)
Tail
71.
A cell with 24 chromosomes undergoes mitosis twice. How many chromosomes will each daughter cell have?
a)
6
b)
12
c)
24
d)
48
72.
Which statement describes a way in which cellular respiration differs from photosynthesis?
a)
Cellular respiration consists of two phases
b)
Cellular respiration releases carbon dioxide
c)
Cellular respiration provides energy for the cell
d)
Cellular respiration is carried out in one specific organelle
73.
What will happen if an animal cell that has a solute concentration of 1% is placed in a 5% saltwater solution?
a)
It will shrink because there is less water outside of the cell than there is on the inside.
b)
It will burst because there is more water on the outside of the cell than there is on the inside.
c)
It will burst because there is more water on the inside of the cell than there is on the outside.
d)
It will remain the same size because there is an equal amount of water on the inside and outside of the cell.
74.
The chromosome structure in a cell accounts for genetic variation based on the order of its
a)
sugar groups
b)
nitrogen bases
c)
hydrogen bonds
d)
phosphate groups
75.
One species of Galapagos finches, the cactus finch, eats insects off cactus plants. A disease kills of most of the cacti in the Galapagos Islands. Which of these most likely would happen to the carrying capacity of the island?
a)
It would increase a small amount since the insect population would decrease.
b)
It would remain about the same since the finches would change to a different diet.
c)
It would increase exponentially since the insects would have limited places to hide.
d)
It would decrease considerably since the finches are specifically adapted to their niche.
76.
Which of these directly allows blood cells to transport oxygen to various parts of the body.
a)
carbon dioxide
b)
hemoglobin
c)
antibodies
d)
platelets
77.
A molecule can easily pass through the selectively permeable membrane of an animal cell. Which of these most likely describes the molecule?
a)
The molecule is very small and charged.
b)
The molecule is very large and charged.
c)
The molecule is very small and not charged.
d)
The molecule is very large and not charged.
78.
Two gametes containing 20 chromosomes fuse during fertilization. How many chromosomes will the zygote cell contain?
a)
10
b)
20
c)
40
d)
80
79.
Which of these shows the steps by which proteins are coded and synthesized?
a)
RNA > DNA > protein
b)
DNA > RNA > protein
c)
protein > RNA > DNA
d)
protein > DNA > RNA
80.
How many daughter cells are formed in meiosis?
a)
0
b)
1
c)
2
d)
4
81.
Which abiotic factor limits the altitude at which plants can grow?
a)
the presence of a parasite
b)
the temperature of the area
c)
the presence of herbivorous animals
d)
the concentration of microbes in the soil
82.
How would a drop in temperature most likely affect the processes of cellular respiration and photosynthesis?
a)
The rates of both cellular respiration and photosynthesis would decrease.
b)
The rates of both cellular respiration and photosynthesis would remain constant.
c)
The rate of photosynthesis would increase, and the rate of cellular respiration would decrease.
d)
The rate of photosynthesis would decrease, and the rate of cellular respiration would increase.
83.
Which of these would be least likely to diffuse across the phospholipid bilayer of a cell membrane?
a)
water
b)
oxygen
c)
sodium ions
d)
carbon dioxide
84.
Which of these best describes mutualism?
a)
a relationship between two species where both benefit
b)
a relationship between two species where neither benefit
c)
a relationship between two species where one species benefits and the other is not affected
d)
a relationship between two species where one species benefits and the other species is harmed
85.
Which statement best describes an advantage of asexual reproduction for a population of organisms?
a)
The population can increase in number more rapidly.
b)
The population can develop greater genetic diversity.
c)
The population can maintain the same number of organisms.
d)
The population can adapt more quickly to a changing environment.
86.
A new species of snake was introduced to a tropical region. Scientists then noticed a steady decline in the presence of field mice and an increase in the number of snakes. Which of these is the most likely explanation about why the population size of each animal changed?
a)
The snakes introduced to the region dominated the habitat, forcing the mice to find another place to live.
b)
The mice became prey to the introduced snakes, allowing the snake population to increase but decreasing the mice population.
c)
The snakes introduced to the region competed with the mice for food, allowing the snake population to increase but decreasing the mice population.
d)
The people in the surrounding area set traps that killed the mice, allowing the snakes to live without any predators and therefore to increase in number.
87.
Which of these best describes the initial change caused by a DNA mutation?
a)
a change in the sequence of base pairs
b)
a change in the production of enzymes
c)
a change in the number of nucleosomes within a cell
d)
a change in the number of hydrogen bonds between the bases.
88.
What is the result of the fertilization of an egg?
a)
It restores the diploid number of chromosomes.
b)
It deletes polypeptide chains in the chromosomes.
c)
It gives offspring more chromosomes than the parents
d)
It gives offspring fewer chromosomes than the parents.
89.
Which of these would lead to a lower rate of photosynthesis in a plant?
a)
an increase in the amount of oxygen in the air
b)
a decrease in the amount of oxygen in the air
c)
an increase in the amount of carbon dioxide in the air
d)
a decrease in the amount of carbon dioxide in the air
90.
A forest fire destroys the majority of the trees in a state park. Which effect will the most likely have on secondary consumers in that ecosystem?
a)
The amount of available energy will increase because there will be fewer predators in the forest
b)
The amount of available energy will increase because there will be less competition from producers.
c)
The amount of available energy will decrease because fewer primary consumers will survive the lack of vegetation.
d)
The amount of available energy will remain constant because secondary consumers are not reliant on primary consumers.
91.
Which process allows for an organism to increase the number of body cells during development?
a)
budding
b)
conjugation
c)
meiosis
d)
mitosis
92.
What is the role of hydrogen bonds in the structure of DNA?
a)
to code for proteins
b)
to synthesize proteins
c)
to separate the strands
d)
to connect the base pairs
93.
The loss of habitat in a forest region has caused some plant species to become extinct, while others survive. The process by which some plant species survive and others do not in a changing environment is best explained by
a)
natural selection
b)
law of segregation
c)
biological magnification
d)
alternation of generations
94.
Which structure is primarily responsible for directing all processes of a plant cell?
a)
chloroplast
b)
lysosome
c)
mitochondria
d)
nucleus
95.
A strand of DNA is exposed to intense heat. Which of these BEST describes what will happen to the strand of DNA?
a)
The chemical bonds of the DNA will be broken
b)
More nitrogen base pairs will add on to the DNA molecule
c)
The chemical bonds of the DNA molecule will be strengthened
d)
The nitrogen base pairs in the DNA molecule will switch places
96.
Polar bears swim across large expanses of ocean while hunting for seals, their main source of food. The bears use the ice as resting spots during long swims. However, the sea ice is rapidly melting as a result of global warming. Which statement describes what MOST LIKELY will happen as global warming continues?
a)
Polar bear and seal populations will decrease
b)
Polar bear population will decrease and seal population increase
c)
Polar bear population will increase and seal population will decrease
d)
Polar bear populations will decrease, seal populations will not change
97.
In a certain fly, round wings (R) are dominant to pointed wings (r). Which cross would produce the greatest number of genotypes and phenotypes?
a)
rr x rr
b)
Rr X Rr
c)
Rr x RR
d)
RR x RR
98.
The papaya mealybug is a pest that poses a threat to many tropical plants. Which fate of the mealybug would result from the inability of the species to reproduce?
a)
the species would mutate
b)
the species would increase
c)
the species would go extinct
d)
the species would continue to thrive
99.
What is the MAIN function of the selectively permeable membrane?
a)
storage of water
b)
storage of chemicals
c)
breaks down molecules in the cell
d)
regulates what enters/exits the cell
100.
Which of these best explains the difference between the way animals and plants exchange gasses with their environment?
a)
Animals use only photosynthesis, plants use both photosynthesis and respiration
b)
Animals use only respiration, plants use both photosynthesis and respiration
c)
Animals use both photosynthesis and respiration, plants use only respiration
d)
Animals use both photosynthesis and respiration, plants use only photosynthesis
101.
The gopher snake uses its glottis to produce a hiss sound that sounds similar to a rattlesnakes rattle. What is the MOST LIKELY reason a gopher snake would do this?
a)
to attract prey
b)
to attract a mate
c)
to confuse predators
d)
to increase adrenaline flow
102.
Energy for most chemical reactions in cells is supplied by which of the following molecules?
a)
DNA
b)
ATP
c)
RNA
d)
Hemoglobin
103.
This diagram shows the cell cycle.
Which of the following activities occur in the S phase?
Which of the following activities occur in the S phase?
a)
Replication of the DNA
b)
Growth of the cell
c)
Formation of the mitotic spindle
d)
Breakdown of the nuclear membrane
104.
(SC.912.L.17.9) A team of ecologists observed feeding patterns of several populations in the desert. The energy pyramid shown below depicts the feeding patterns the ecologists observed. 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 less available energy in the fourth trophic level because of the loss of energy through metabolism in each of the lower trophic levels.
d)
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.
105.
(SC.912.L.14.3) There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells?
a)
lysosome
b)
mitochondrion
c)
nucleus
d)
ribosome
106.
Examine the DNA sequence:
TAC CCG ATC AAA GCC
Which represents the complementary strand of DNA?
TAC CCG ATC AAA GCC
Which represents the complementary strand of DNA?
a)
CGT TTA GCT GGG ATT
b)
ATG GGC TAG TTT CGG
c)
GCA AAT CGA TAA
d)
UCA CCG AUC AAA GCC
107.
Which is primarily composed of the molecules cytosine, guanine, adenine, and thymine?
a)
lipid
b)
DNA
c)
RNA
d)
protein
108.
Why is Mendel known as the father of genetics?
a)
He was the first to study the traits of plants.
b)
He was the first to keep detailed records during experiments
c)
He was the first to establish that DNA is passed from parents to offspring.
d)
He was the first to describe the procress of inheritance between parents and offspring.
109.
Which best describes an ecosystem?
a)
A group of species that inhabits a particular area
b)
a group of popultions as well as the abiotic environment
c)
All the organisms of one species that inhabit a particular area
d)
All the zones of Earth's land, water, and air where living organisms are found
110.
Look the the cross below.
Yy x Yy
In this cross, two yellow seed plants are crossed. What are the genotypes for the offspring in this cross?
Yy x Yy
In this cross, two yellow seed plants are crossed. What are the genotypes for the offspring in this cross?
a)
Yy, Yy, Yy, Yy
b)
YY, Yy, Yy, yy
c)
YY, YY, Yy, Yy
d)
YY, YY, YY, YY
111.
Viruses are infectious particles made of nucleic acid and protein. Based on the cell theory, how would viruses be described today?
a)
Viruses are living because they are made of cells.
b)
Viruses are non-living because they are not multicellular
c)
Viruses are non-living because they are not made of cells.
d)
Viruses are living because they are produced from existing cells.
112.
Which is a function of ribosomes in a cell?
a)
produce energy
b)
produce protein
c)
perform respiration
d)
perform photosynthesis
113.
Which is the most important criteria for a hypothesis to be useful in science?
a)
It is correct.
b)
It is testable.
c)
It can be observed.
d)
It can be measured.
114.
Which waste management plan allows for the disposal of waste while reducing the consumption of raw materials for new products?
a)
recycling
b)
incineration
c)
trash compaction
d)
landfill expansion
115.
A cell with 24 chromosomes undergoes mitosis. How many chromosomes will each daughter cell have?
a)
6
b)
12
c)
24
d)
48
116.
What will happen if an animal cell that has a solute concentration of 1% is placed in a 5% saltwater solution?
a)
It will shrink bacuse there is less water outside the cell
b)
it will burst because there is more water on the outside of the cell
c)
It will burst becuase there is more water inside the cell than outside
d)
It will remain the same size because there it an equal amount of water inside and outside the cell
117.
Two gametes containing 20 chromosomes fuse during fertilization. How many chromosomes will the zygote?
a)
10
b)
20
c)
40
d)
80
118.
Which of these shows the steps by which proteins are coded and synthesized?
a)
RNA-> DNA-> protein
b)
DNA-> RNA-> protein
c)
protein-> RNA-> DNA
d)
protein-> DNA-> RNA
119.
How many daughter cells are formed in meiosis?
a)
0
b)
1
c)
2
d)
4
120.
Which abiotic factor limits the altitude at which plants can grow?
a)
the presence of a parasite
b)
the temperature of the area
c)
the presence of herbivorous animals
d)
the concentration of bacteria in the soil
121.
Which of these best describes mutualism?
a)
a relationship between two species where both species benefit
b)
a relationship between two species where neither species benefits
c)
a relationship between two species where one species benefits and one is not affected
d)
a relationship between two species where on species benefits and the other is harmed
122.
Which of these best describes the initial change caused by a DNA mutation?
a)
a change in the swquence of base pairs
b)
a change in the production of enzymes
c)
a change in the number of nucleosomes within a cell
d)
a change in the number of hydrogen bonds between the bases
123.
In a certain insect, round wings (R) are dominant to pointed wings (r). Which cross will produce the greates number of genotypic and phenotypic variations?
a)
rr X rr
b)
Rr X Rr
c)
Rr X RR
d)
RR X RR
124.
What is the main function of a selectively permeable membrane?
a)
storage of water
b)
storage of chemicals
c)
breaks down molecules within the cell
d)
regulates what enters and leaves the cell
125.
Which of these best explains the difference between the way animals and plants exchange gases with their environment?
a)
Animals use only photosynthesis, while plants use both photosynthesis and respiration
b)
Animals use only respiration, while plants use both photosynthesis and repiration
c)
Animals use both photosynthesis and respiration, while plants use only respiration
d)
Animals use both photosynthesis and respiration, while plants only use photosynthesis
126.
A reduction in which of these would lead to a decrease in all other populations?
a)
Coyote
b)
Grass
c)
Grasshoppers
d)
Squirrel
127.
Which of these models of a DNA strand (below) shows bases that are complementary to the ones on the student’s DNA model (above)?
a)
b)
c)
d)
128.
A segment of DNA produces methionine, threonine, histidine, aspartate, and glycine when translated. A substitution mutation occurs and causes the synthesis of the segment as shown. Which is the new peptide chain when the new DNA segment is translated?
a)
Methionine, leucine, histidine, aspartate, glycine
b)
Methionine, phenylalanine, histidine, aspartate, glycine
c)
Methionine, proline, histidine, aspartate, glycine
d)
Methionine, serine, histidine, aspartate, glycine
129.
Looking at the figure which cell structure should the student use to BEST complete the table?
DOK1 because it requires the student to recall information. It is a simple definition.
a)
nucleus
b)
cytoplasm
c)
cell membrane
d)
endoplasmic reticulum
130.
A student is demonstrating how water moves across cell membranes to maintain homeostasis. The student uses dialysis bags, which are semipermeable and model cell membranes. The student fills each of the three bags with 100 mL of a 10% salt solution and ties the end of each bag. In Beaker 1, the student places 200 mL of a 5% salt solution. In Beaker 2, the student places 200 mL of a 10% salt solution. In Beaker 3, the student places 200 mL of a 20% salt solution
What kind of environments are in Beakers 1, 2, and 3?
a)
Beaker 1: hypertonic, Beaker 2: hypotonic, Beaker 3: isotonic
b)
Beaker 1: hypertonic, Beaker 2: isotonic, Beaker 3: hypotonic
c)
Beaker 1: isotonic, Beaker 2: hypertonic, Beaker 3: hypotonic
d)
Beaker 1: hypotonic, Beaker 2: isotonic, Beaker 3: hypertonic
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