WorksheetsSecond Semester EOS Review
Total questions: 245
Worksheet time: 5hrs 35mins
Which of the following monomers are joined together to make nucleic acids (DNA and RNA)?
Amino acids
Nucleotides
Fatty acids
Monosaccharides
DNA replication is semi-conservative, which means that each newly created identical copies of DNA molecules (chromosomes) contains...?
Each copy has two original strands
Each copy has two new strands
Each copy has one new strand and one original strand
One copy has two new strands and the other has two original strands
Place the steps of DNA replication in the correct order.
3, 4, 2, 1
3, 1, 4, 2
2, 1, 4, 3
3, 4, 1, 2
Name this structure
double helix
nucelotide
twisted ladder
hydrogen bond
In a eukaryotic cell, what organelle is DNA found in?
cell membrane
vacuole
ribosome
nucleus
The letters of the DNA alphabet are:
A, C, G and T
A, O, G, and T
C, G, P and T
C, G, T and D
Why is DNA important?
It gives each cell instructions on how to do its job.
It is what the cell membrane is made of.
It helps the cell use water.
It is food for the cell.
In the DNA alphabet, T always pairs with:
A
T
G
C
In the DNA alphabet, C always pairs with:
A
C
T
G
How does DNA spell out different instructions?
By having a double or triple helix
Adding more phosphate
Different sequences of letters from the DNA alphabet
Adding more sugar
A gene tells the cell how to make a __________.
Sugar
Phosphate
Protein
Ribosome
The FULL NAME of the letter A from the DNA alphabet is:
Adenine
Albertine
Augmentium
Arginine
The FULL NAME of the letter G from the DNA alphabet is:
Guavine
Grapine
Glycine
Guanine
The FULL NAME of the letter T from the DNA alphabet is:
Thymine
Tyrosine
Tryptophan
Tellurium
The FULL NAME of the letter C from the DNA alphabet is:
Cytosine
Cysteine
Cryosine
Calypsine
The three parts of a nucleotide are:
Sugar, protein, letter from DNA alphabet (nitrogen base)
Sugar, phosphate, letter from DNA alphabet (nitrogen base)
Phosphate, protein, letter from DNA alphabet (nitrogen base)
Phosphate, sulphur, letter from DNA alphabet (nitrogen base)
The sides of the DNA ladder are made of alternating:
Letters from the DNA alphabet
Sugar and phosphate
Sugar and protein
Phosphate and sulphur
Which of the following is the building block (monomer) of the biomolecule class nucleus acids?
Which process makes mRNA (messenger RNA) from the DNA in the nucleus?
transcription
translation
replication
RNA contains which sugar?
deoxyribose
Ribose
glucose
fructose
The goal of transcription is to make RNA.
True
False
A 3 nucleotide sequence of mRNA is called a
codon
anticodon
amino acid
peptide bond
. What are the building blocks of proteins called?
nucleotides
proteins
amino acids
carbohydrates
What organelle is the site for protein synthesis (translation) in a cell?
ribosomes
mitochondria
lysosome
Golgi body
Overall, protein synthesis consists of these steps
DNA synthesis, RNA synthesis and transcription
transcription and translation
DNA synthesis, transcription and translation
ATG GGA ACT CCA
TRANSCRIBE this DNA sequence into RNA: TAC GTT ACT
AUG CAA UGA
ATG CAA TGA
AUG GAT UGA
TAC GTT ACT
Approximately 90 percent of energy iconsumed by an organism is lost to ___
Growth
Heat - Due to Inefficiencies in metabolism
Repairing cells
Carbon dioxide
What is the correct order for this food chain?
Owl, Mouse, Grasshopper, Grass
Grass, Mouse, Owl, Grasshopper
Grass, Owl, Grasshopper, Mouse
Grass, Grasshopper, Mouse, Owl
Which of these organisms is the secondary consumer?
Owl
Mouse
Grass
Grasshopper
Place the environment levels in the correct order from smallest to largest.
biome, biosphere, population, organism, ecosystem,community
organism, ecosystem, biosphere, population, community, biome
organism, population, community, ecosystem, biome, biosphere
population, community, organism, biome, ecosystem, biosphere
What is the hawk in the food web?
Producer
Primary consumer
Secondary consumer
Tertiary consumer
How much energy is transferred between trophic levels?
25%
20%
10%
90%
Which of these is an autotroph?
Consumer
Producer
Decomposer
Volcano erupting would be an example of what type of succession?
Primary
Secondary
Tertiary
Group of the same species.
Community
Ecosystem
Population
All of the biotic and abiotic factors.
community
ecosystem
population
An organism's place in the biotic environment and its role in an ecosystem is it’s...?
Niche
Epitope
Habitat
Habit
Identify the missed one
Epitome
Biome
Paratome
Parasite
The living parts of an ecosystem
Biotic Factors
Abiotic Factors
Mother Earth
Flowers
The non-living parts of an ecosystem
Ocean
Lava Flow
Birds
Abiotic Factors
Which of the following is NOT an example of a decomposer?
mushroom
leaves
mold
worm
Which of the following is an example of a producer?
frog
algae
worm
mouse
All of the carbon in existence is continually recycled in the carbon cycle.
The circulation of the element Carbon among Earth's atmosphere, land, oceans, and organisms is called _____________.
the Carbon Cycle
the Oxygen Cycle
the Carbon dioxide Cycle
the Water Cycle
How do animals get carbon?
By eating plants and or other animals.
They absorb it from the atmosphere.
From the ground
They do not get carbon from anywhere.
What are fossil fuels made from?
Plants and animals that are buried underground for millions of years.
They absorb it from the atmosphere.
Water
Wind
What is CO2?
Carbon Monoxide
Carbon Trioxide
Carbon Dioxide
Oxygen
Which of the following are examples of fossil fuels?
Coal, water, oil
Oxygen, coal, oil
Coal, oil, natural gas
None of the above
True or false. Carbon dioxide is a greenhouse gas.
True
False
Is carbon dioxide, and thus carbon, dissolved at the surface of the ocean or in the deep ocean?
Surface
Deep
What does NOT produce atmospheric carbon dioxide?
Photosynthesis
Burning Fossil Fuels
Animal respiration
Anything living in the ocean.
How does carbon become locked inside the earth?
Tree roots expel carbon into the soil as they grow.
Humans use machines to pump carbon dioxide into large underground rocks.
Rocks become richer in carbon as time goes by.
The carbon-rich bodies of plants and animals decay into the earth after they die.
How do carbon emissions lead to global warming?
By trapping the sun's heat in the atmosphere.
By causing very hot volcanic eruptions.
Rocks become richer in carbon as time goes by.
By increasing the amount of carbon in the earth's crust
In the environment, carbon exists as a gas in _____.
cells
geosphere
atmosphere
C6H12O6 is also known as glucose (sugar). Where is it found?
Plants
Animals
Both plants and animals
Neither plants or animals
True or False. The nitrogen in the atmosphere is in the right form for living things to use.
True
False
What is the role of denitrifying bacteria
change nitrate back into nitrogen gas
change nitrogen gas into nitrate
absorb carbon dioxide in the soil
release oxygen gas into the atmosphere
This can transform nitrogen in the atmosphere into a usable form of nitrogen
rain
ice
lightning
sun
What is the role of decomposing bacteria in the nitrogen cycle?
change Nitrogen gas into Nitrate
Return the nitrogen compounds to the soil
Turn nitrogen into water
Turn nitrate into nitrogen gas
We need nitrogen to make
proteins
nucleic acids
cells
all of these
The process in which nitrogen circulates and is recycled is called
The nitrogen cycle
The carbon cycle
The water cycle
The phosphorus cycle
Organisms that need nitrogen to survive.
only plants
only animals
only bacteria
all living things
How is nitrogen "fixed" into a usable form for plants?
Through action of bacteria only
Through lightning only
Through action of bacteria and lightning
Through photosynthesis
How do animals get the nitrogen they need?
From the air they breathe
From the water they drink
From the food they eat
From the sun
What is the process of combining nitrogen gas with other elements to make nitrogen into usable compounds?
nitrogen composition
nitrogen fixation
ammonia
denitrification
What is the molecular formula for atmospheric nitrogen?
N
N2
NH3
NO3
What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?
Assimilation
Fixation
Ammonification
Denitrification
Plants and animals need nitrogen to make __________.
Proteins & Nucleic Acids
Carbohydrates
Lipids
Minerals
A change in a DNA sequence(order) that affects genetic information.
Recessive trait
Mutation
Allele
Which of these molecules is an amino acid?
A
B
C
D
Which class of biomolecules is this monomer a picture of?
Protein (Amino Acid monomer)
Nucleic Acid
Lipid (Fatty Acid monomer)
Carbohydrate (Monosaccharide monomer)
T-G-A-C-C-A
T-G-A-G-C-A
Mutation: ATC GCAT
What mutation occurred?
DNA sequences can often be used to determine relationships between...
nutritional needs
organisms
habitats
Which type of mutation is MOST LIKELY to cause the greatest disruption?
Frameshift
Silent
Point
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 are 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?
the genes for black hair were activated by specific temperatures
the white hair mutated to black hair as the rabbit's body temperature decreased.
the coat color changed from white to black with the age of the rabbit
white hair only grows during certain times of the year
The arctic fox inhabits northern areas of North America. The same arctic fox is shown in the drawing at different times of the year. What causes this change in fur color?
the alleles for fur color change as the arctic fox grows older
gene expression for fur color is regulated by latitude
the arctic fox has two traits for fur color that are determined at birth
gene expression for fur color is regulated by temperature
Human bone, muscle, and nerve cells all contain the same number of chromosomes with the same complement of genes. What enables these cells to perform specialized activities?
the ability of some cells to remove unnecessary DNA sequences
the regulation of gene expression within each cell type
the mutation of genes within each cell type
the use of different methods of cell division
A tapeworm lives in the intestine of a cat absorbing nutrients through its skin. A tapeworm and a cat have this type of relationship.
mutualism
parasitism
commensalism
competition
Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.
Predation
Parasitism
Commensalism
Mutualism
Clown fish live among anemones, acting as a lure for the sea anemone's prey. The clown fish get protection and shelter from the anemone. This is an example of which type of symbiosis?
Commensalism
Mutualism
Parasitism
Lichens are close associations of fungi and algae. The fungi hold the water supply and the algae perform photosynthesis to manufacture carbohydrates for both organisms.
mutualism
commensalism
parasitism
Certain species of Lactobacillu bacteria live in our lungs and destroy many of the microorganisms that enter our respiratory system. They are highly adapted to living in our lungs and can't survive in many other habitats.
mutualism
commensalism
parasitism
When taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do they do this?
Non-native plants are able to mutate rapidly
Non-native plants cause native animals to relocate
Non-native plants are able to be used for medicine
Non-native plants are invasive and compete with native plants for resources
After a volcanic eruption, lava covers the land. What is the order that plants will grow?
Lichens → Grasses → Shrubs → Trees
Lichens → tree → shrubs→Grasses
Which answer is true regarding biodiversity?
Biodiversity is not important
The rain forest has an unhealthy ecosystem because its biodiversity is too great.
An ecosystem is more stable when the biodiversity is greater.
Biodiversity is positively affected when non-native species are introduced into an environment
What is most stable and final stage of succession:
First Community
Climax Community
Pioneer Species
Intermediate Community
What term best relates to equilibrium?
pioneer species
primary succession
secondary succession
climax community
Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?
Secondary Succession
Aquatic succession
Primary Succession
Ferns must grow
Which would result in primary succession?
volcano destroying habitat leaving only soil and ash
Tornado destroying a crop leaving very little soil
Glacier retreating exposing bare rock
limiting factors
Primary succession occurs in areas with:
very little soil
lots of soil
no soil
soil that has been disturbed
What best describes the term succession?
rapid changes that create an ecosystem overnight
gradual changes over time to fully create or restore and ecosystem
forest with the tallest trees
the rate species produce offspring
Which of the following is the collection of life's remains found in sedimentary rock?
natural selection
homologous structures
Charles Darwin
the fossil record
Similar structures with different purposes found in different species are known as _____
vestigial structures
DNA
homologous structures
the fossil record
The picture shows a/an ___________
homologous structure
vestigial structure
What is this an example of?
Homologous structure
Analogous structure
Vestigial organs
Functional adaption
Which example is NOT evidence for evolution?
many animals have homologous structures due to common ancestry
Many animals have vestigial structures from an ancestor
We can observe changes in life forms by observing the fossil record
All of these are evidence for evolution
If two organisms have similar DNA sequences they are probably?
share a common ancestor
share a common environment
share a common population
speciation
A physical trait favored by an environmental change can be called an
adaptation
extinction
possibility
mutation
Two populations of the same species are separated by land barriers like rivers or mountains.
geographical isolation
temporal isolation
adaptive ratiation
behavioral isolaton
After a long time in isolation, Island fruit flies and mainland fruit flies meet. They do not produce viable eggs due to genetic differences. The flies have resulted in two seperate lineages due to:
Gene Pool
Genetic Drift
Gene Frequency
Speciation
All of these finches have different shaped beaks, they are an adaptation to gain access of
Water
Food
Shelter
Mates
According to the theory of natural selection, why are some individuals more likely than others to survive and reproduce?
Some individuals pass on to their offspring new characteristics they have acquired during their lifetimes.
Some individuals are better adapted to exist in their environment than others are.
Some individuals do not pass on to their offspring new characteristics they have acquired during their lifetimes.
Some individuals tend to produce fewer offspring than others in the same environment.
Mutations are important because they bring about
death of the organism in which they develop
genetic variation needed for a population to evolve
benefits for the individual, not for the population
Hardey-Weinberg equilibrium within a population
Why has antibiotic resistance evolved in bacteria?
Bacteria reproduce quickly
Bacteria with a resistance to the antibiotic, passed that trait to offspring
Bacteria that are resistant reproduce faster than non resistant strains
Bacteria exposed to antibiotics develop a resistance to them
Which word means the formation of new species?
speciation
specialization
founder effect
sexual selection
When members of two populations cannot successfully reproduce.
reproductive isolation
lonely isolation
convergent isolation
genetic drift
When members of two populations reproduce during different times.
behavioral isolation
temporal isolation
geographic isolation
calendar isolation
Type of reproductive barrier evidenced by this diagram.
Temporal isolation
Habitat (geographic) isolation
Behavioral isolation
Mechanical isolation
Gametic isolation
Mimicry means:
A tree that has pink flowers in the spring
When one living thing looks like a different kind of living thing
A way an animal blends in with its environment
Which is NOT an example of mimicry:
The fur of an arctic fox turns white in winter to match the snow
The tongue of an alligator snapping turtle looks like a worm, so he lures fish to his mouth
A bad tasting butterfly & a good tasting butterfly have similar markings, so birds don't eat either kind
Which picture is an example of mimicry?
What is binomial nomenclature?
system of 3 names
system of 2 names
the names of the kingdoms
the levels of classification
Which of the following is the correct way to show the scientific name for tiger?
Panthera Tigris
Panthera tigris
panthera Tigris
panthera tigris
Which of the following is a reason scientists use scientific names as opposed to their common names?
Scientists around the world use the same names so there is no language barrier
No two species have the same name, so there is no confusion about which organism is being studied
Scientific names can help you know which organisms are related if they share a common genus name
Scientists group similar organisms together through a process called .....
identification
Estimation
Classification
Organization
What is the genus name here:
Canis lupus
Canis
lupus
Biologist group living things based on ____.
Habitat
Size
Colors
Shared Characteristics
Who is the closest relative to the sharks?
crocodiles
rodents
ray-finned fish
amphibians
Cell Wall
animal cells?
animal cells?
Prokaryotes do not have a nucleus. Which of the following is an example of a prokaryote?
Virus
Plant
Bacteria
Fungi
A person with AIDS is likely to develop infectious diseases because the Human Immunodeficiency Virus (HIV) that causes AIDS...?
destroys cancerous cells
damages the immune system
increases the rate of antibody production
increases the rate of microbe destruction
T/F All bacteria are bad
True
False
Besides DNA or RNA, what else is a virus made of?
a cell wall
a cell membrane
a protein coat
a carbohydrate coat
Which of the following is true for both bacteria and viruses?
both contain genetic material
can be killed using antibiotics
have a cell membrane
have a protein coat
Which statement is true about viruses?
Viruses can eat and metabolize food.
Viruses can reproduce only using a host cell.
Viruses can reproduce on their own at any time.
Viruses contain DNA, so they are alive.
Which viral life cycle kills its host cell by lysing (bursting)?
Lysogenic Cycle
Lytic Cycle
Binary Fission
Conjugation
Viruses in the lysogenic cycle can be DORMANT. This means they....
are resting and waiting to attack
speed up reactions
are infecting quickly
catalyzing proteins
T/F The influenza virus (flu) is an example of a virus that goes through the lytic cycle.
True
False
Many plants have bright, sweet smelling flowers. How would this adaptation help the plant?
It warns away predators
It attracts bees and other pollinators
It helps the plant store water
It gives the plant shade.
Tropism means to _________?
grow in response to stimuli
to create something new
Chemical energy
Taproot system
When plants grow in towards the light, this is called:
Phototropism
Geotropism
Germination
Thigmotropism
What is the main function of phloem in a plant?
To transport food (glucose) to different parts of a plant.
To transport water to different parts of a plant.
To make energy for the plant via photosynthesis.
To provide structural support to a plant.
What is the main function of xylem in a plant?
To transport nutrients (mainly sucrose) to different parts of a plant.
To make energy for the plant via photosynthesis.
To transport carbon dioxide to the leaves for photosynthessis.
To transport water to different parts of plant.
Which organelle is found in plant cells but NOT animal cells?
cell membrane
cell wall
nucleus
Which part makes and transports proteins; contains ribosome?
Cell Wall
Cytosol
Golgi Apparatus
Rough endoplasmic Reticulum
What 2 systems: Allows for movement
Muscular and Skeletal
Endocrine and Skeletal
Nervous and Circulatory
Integumentary and Reproductive
Which two body systems interact to send oxygen throughout the body?
Nervous and Digestive
Respiratory and Circulatory
Excretory and Endocrine
Circulatory and Skeletal
The immune system fights diseases. The circulatory system pairs with the immune system because ___.
blood is made in the bones.
plasma carries nutrients.
red blood cells carry oxygen.
white blood cells fight infection.
