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WorksheetsBiology EOC Review
Total questions: 55
Worksheet time: 32mins
What will most likely be the result if all of the mitochondria are removed from a plant cell?
It will be unable to carry out respiration.
It will lose water through osmosis.
It will break down the ribosomes in the cell.
It will be unable to photosynthesize
What process best explains how a nerve cell and a muscle cell can both develop from the same fertilized egg?
differentiation
natural selection
selective breeding
genetic engineering
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?
excretion
metabolism
homeostasis
synthesis
Before mitosis begins, which happens before the nucleus starts dividing?
The cytoplasm separates.
The DNA replicates.
The sister chromatids separate.
The homologous chromosomes cross over.
What is the function of autotrophs in the carbon cycle?
to use oxygen to produce glucose
to take in excess water
to use carbon dioxide to produce glucose
to feed on herbivores
Two different populations of birds live in the same area and eat the same types of food. Which most likely describes the relationship between these two populations of birds?
competition
mutualism
parasitism
predator-prey
What will most likely happen if the human population continues to grow at current rates?
There will be fewer natural resources available for future generations.
There will be an increase in nitrogen levels in the atmosphere.
There will be a decrease in water pollution.
There will be an increase in the number of strong hurricanes.
A sea turtle has washed up on a remote section of a beach. This is known as a “stranding.” Stranding occurs when a dead, sick or injured sea turtle washes up on the shoreline. Which statement best explains why “stranding” should be reported immediately to local authorities?
The information can be very useful to biologists and managers who are trying to protect the species.
The information can be very useful to protect sea turtles from predators.
The information can be very useful to local fishermen who try to catch fish that sea turtles eat.
The information can be very useful to tourists who may want to keep sea turtles as pets.
A strand of DNA has these bases:
AGC CAT GTA TAC
What is the complementary DNA strand?
ACG GAT CTA TAG
TCG GTA CAT ATG
TGC CTA GAT ATC
UCG CUA CAU AUG
Which statement best describes the relationship that exists among proteins, DNA, and cells?
Proteins combine to produce cells, which produce DNA.
Proteins are made up of DNA, which determines the cells that are produced
DNA is made up of proteins, which tell a cell how to function.
Cells contain DNA, which controls the production of proteins.
Why is meiosis important for sexual reproduction?
It allows the zygote formed from fertilization to have triple the chromosome number of the organism.
It allows gametes to have twice the original number of chromosomes of the organism
It allows gametes to have half the original number of chromosomes of the organism.
It allows the zygote formed from fertilization to have half the original number of chromosomes of the organism.
Which process produces the most variation within a species?
asexual reproduction
sexual reproduction
mitosis
cloning
Which technique would most likely be used by forensic scientists?
gene cloning
gene therapy
DNA fingerprinting
karyotyping
Which is one reason scientists produce transgenic organisms?
to create new species of organisms
to control microorganisms in the soil
to prevent habitats from being destroyed
to treat certain types of diseases
The use of pesticides on crops has been a common farming practice for decades. What has been the greatest effect of natural selection through the use of pesticides on certain insect populations?
Natural selection has been altered because the insects and their predators are killed.
The rate of selection is increased because the pesticides do not kill the insects that are naturally resistant to it.
The rate of selection has decreased because the pesticides kill only young insects.
The pesticides have altered natural selection by causing the insect DNA to spontaneously mutate.
What is the difference between the full classification of organisms and their scientific names?
The full classification of organisms and their scientific names vary in different countries
The scientific names of organisms include the order and family of the organisms, but the full classification includes only the species name.
The full classification of organisms will include more categories of organisms than their scientific names.
The scientific names of organisms include a single nomenclature, but the full classification includes various nomenclatures.
What type of organic molecules are enzymes?
carbohydrates
lipids
nucleic acids
proteins
What are the subunits of DNA and their function?
nucleotides that store information
monosaccharides that provide quick energy for the cell
lipids that store energy and provide insulation
proteins that provide the building blocks for the structural components of organisms
How does the amount of energy resulting from fermentation compare with that of aerobic respiration?
Aerobic respiration results in less energy
Aerobic respiration results in more energy
Each process results in equal amounts of energy
Each process results in variable amounts of energy
This diagram shows a plant cell. Which structure is found in a plant cell but is absent in an animal cell?
1
2
3
4
Which best explains why muscle cells are different from blood cells?
A mutation occurs during the development of muscle cells but not in blood cells.
Different genes are activated in muscle cells than in blood cells.
Muscles cells experience different environmental influences than blood cells.
Muscle cells are produced by the brain, but blood cells are produced by the heart.
A freshwater plant is placed in a container of saltwater. What will most likely happen to the cells of the plant?
They will swell because water will move into them.
They will swell because salt will move into them.
They will shrink because water will move out of them.
They will shrink because salt will move out of them.
During which phase of the cell cycle is the cell growing and preparing for cellular division?
cytokinesis
anaphase
prophase
interphase
The males of a bird species do a “dance” and “sing a song” each spring. What is the main purpose of these behaviors?
to scare off young birds
to imprint young birds
to clean their feathers
to attract female birds
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?
commensalism
mutualism
parasitism
predation
Which environmental concern is most associated with burning fossil fuels?
global climate change
pollution of ocean waters
ozone layer destruction
decrease in levels of atmospheric carbon dioxide
The construction of a new coal-burning power plant would have the greatest impact on which environmental issue?
depletion of the ozone
production of acid rain
release of radiation
increase in deforestation
A segment of DNA has this sequence:
ATA GCA CAT GTA
What is the mRNA sequence transcribed from this segment?
TAT CGT GTA CAT
TAT GCT CTA GAT
UAU CGU GUA CAU
UAU GCU CUA CAU
Which amino acids are coded for by an mRNA segment that reads CAG GUG?
arginine and valine
isoleucine and arginine
glutamine and valine
valine and isoleucine
The inheritance of short wings in Drosophila fruit flies is an x-linked, recessive trait. Which would most likely result if a short-winged female mates with a long-winged male?
All offspring will be short-winged.
All females will be long-winged, and all males will be short-winged.
All females will be short-winged, and all males will be long-winged.
Half of the males and females will be short-winged, and half will be long-winged.
A hospital wants to identify the parents of a baby. Based on the DNA fingerprints, which couple is most likely the parents of the baby?
Couple W
Couple Z
Couple Y
Couple X
Which is a step in the process of producing transgenic bacteria?
A plasmid is used to replace a faulty gene in a human cell.
A chain of bacterial amino acids is inserted into human DNA.
A human gene is inserted into a bacterial plasmid.
A mutation is produced in a bacterial cell.
Which would most likely produce a mutation that is passed on to offspring?
radiation changing the DNA sequence in skin cells
a gamete with an extra chromosome forming
tobacco smoke altering the genes in lung cells
exposure to chemicals altering nerve cell function
A large population of cockroaches was sprayed with an insecticide. A few of the cockroaches survived and produced a population of cockroaches that was resistant to this spray. What can best be inferred from this example?
A species will adapt no matter what the environment.
The environment has no effect on the survival of an organism.
Insecticides cause mutations that are passed on to the next generation.
Individuals with favorable variations survive and reproduce.
Which two species are the most closely related?
I and II
II and IV
I and V
V and VI
Which type of molecule do whales use for energy storage and insulation?
DNA
glucose
fat
starch
Which most directly controls the rate at which food is broken down to release energy?
enzymes
hormones
nucleic acids
vitamins
If energy is needed to move materials into or out of a cell, what is most likely occurring?
active transport
passive transport
osmosis
diffusion
How are prokaryotic and eukaryotic cells similar?
Both contain a nucleus.
Both contain ribosomes.
Both contain membrane-bound organelles.
Both contain cell walls.
How does DNA code for proteins in a cell?
by creating a new double helix structure
by using its phosphate and sugar molecules
by adding more hydrogen bonds to its structure
by arranging certain nitrogen bases of the cell in a particular order
What is the result when a single cell reproduces by mitosis?
two cells with genetic material identical to the parent cell
two cells with half the genetic material of the parent cell
four cells with half the genetic material of the parent cell
four cells with genetic material identical to the parent cell
These diagrams represent a Euglena and a Paramecium. Which function do structures X and Y have in common?
digestion
gathering food
movement
reproduction
At night, moths travel toward light. Which type of behavior does this describe?
habituation
imprinting
innate behavior
learned behavior
A field ecologist wants to determine the interactions of various populations of organisms living in a large grassland field. Which method is best for conducting this study?
consulting with local farmers about the diversity of organisms in the field
dividing the field in half, walking over it, counting organisms, and then doubling the numbers
walking over the entire field, collecting the organisms, and then compiling a total
observing the behaviors of different types of organisms several times during the year
Which environmental factor would cause the greatest decrease in the number of species of plants and animals living in some of the lakes in the United States?
increase in dissolved oxygen levels
global warming
ozone destruction
acid rain
If worldwide deforestation is not regulated, what could most likely result?
Acid rain could lower the pH of rivers and lakes to dangerous levels for aquatic life.
CO2 levels in the atmosphere could increase and contribute to global warming problems.
Plants and animals could become better adapted to living in desert conditions.
Future generations of humans could have an excess of wood and paper products.
How would overexposure to X-rays affect most animal cells?
It would increase cell specialization in organs.
It would change the sequence of DNA nucleotides in affected cells.
It would produce new nucleotides for DNA molecules.
It would cause an increase in red blood cell production
How are sexual reproduction and asexual reproduction different?
Sexual reproduction produces offspring identical to the parents, but asexual reproduction produces offspring with traits from both parents.
Asexual reproduction produces offspring identical to the parents, but sexual reproduction produces offspring with traits from both parents
Sexual reproduction only occurs in multicellular organisms, but asexual reproduction only occurs in unicellular organisms.
Asexual reproduction only occurs in multicellular organisms, but sexual reproduction only occurs in unicellular organisms.
Which characteristic is present in offspring produced by sexual reproduction, but is missing in offspring produced by asexual reproduction?
an identical copy of parent chromosomes
twice the number of parent chromosomes
only half the number of parent chromosomes
an independent assortment of parent chromosomes
Two people believe they are related. Which would be the best technique to determine if they are related?
testing blood types
comparing DNA
examining karyotypes
testing for genetic disorders
Which will most likely cause variations to occur within a species?
competition
mutation
mutualism
predation
In which populations does genetic drift most often occur?
in small populations
in large populations
in marine populations
in terrestrial populations
Which factor most affects the order of amino acids in a protein?
the DNA located in the nucleus of the cel
the cell in which the protein is located
the amount of ATP available for the cell’s use
the area in a cell where proteins are produced
Which statement best compares aerobic and anaerobic respiration?
Less ATP is generated during anaerobic respiration than during aerobic respiration.
More water is generated during anaerobic respiration than during aerobic respiration.
More oxygen is generated during anaerobic respiration than during aerobic respiration.
Less lactic acid is generated during anaerobic respiration than during aerobic respiration.
Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?
Substances are moving rapidly across the cell membrane.
ATP is being rapidly consumed near the cellular membrane
Substances are moving from high to low concentrations.
Substances are moving through channels in the cell membrane.
